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  <xs:element id="gtx_CenterbridgeOaktreeAndHoneywellMember" abstract="true" name="CenterbridgeOaktreeAndHoneywellMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_DirectMaterialPurchasesMember" abstract="true" name="DirectMaterialPurchasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_AlternateBaseRateMember" abstract="true" name="AlternateBaseRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_MandatorilyRedeemablePreferredStockCurrent" abstract="false" name="MandatorilyRedeemablePreferredStockCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_CustomerBMember" abstract="true" name="CustomerBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_IncreaseDecreaseInAccountsNotesAndOtherReceivables" abstract="false" name="IncreaseDecreaseInAccountsNotesAndOtherReceivables" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_AccruedCustomerPricingReserveCurrent" abstract="false" name="AccruedCustomerPricingReserveCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_StockCashOutElectionDuringPeriodShares" abstract="false" name="StockCashOutElectionDuringPeriodShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="gtx_AdvancedDiscountsFromSuppliersAccruedCurrent" abstract="false" name="AdvancedDiscountsFromSuppliersAccruedCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_StockIncentivePlanAndLongTermIncentivePlanMember" abstract="true" name="StockIncentivePlanAndLongTermIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_RevenueRemainingPerformanceObligationTimingOfSatisfactionPeriod" abstract="false" name="RevenueRemainingPerformanceObligationTimingOfSatisfactionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="gtx_IncomeTaxExaminationPenaltiesAndInterestTaxExpenseBenefit" abstract="false" name="IncomeTaxExaminationPenaltiesAndInterestTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_ScheduleOfShareBasedPaymentAwardPerformanceStockUnitsValuationAssumptionsTableTextBlock" abstract="false" name="ScheduleOfShareBasedPaymentAwardPerformanceStockUnitsValuationAssumptionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="gtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndCancelledInPeriodWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndCancelledInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="gtx_AccruedPrePetitionInterest" abstract="false" name="AccruedPrePetitionInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_TermLoanFacilityMember" abstract="true" name="TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossAfterReclassificationTax" abstract="false" name="OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossAfterReclassificationTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_DebtorReorganizationItemsBidTerminationAndExpenseReimbursement" abstract="false" name="DebtorReorganizationItemsBidTerminationAndExpenseReimbursement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_ReceivableFromTransferAgentCurrent" abstract="false" name="ReceivableFromTransferAgentCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentageDependsOnPerformanceMeasuresAreRelatedToAdjustedEBITDA" abstract="false" name="SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentageDependsOnPerformanceMeasuresAreRelatedToAdjustedEBITDA" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="gtx_ConsolidatedEBITDA" abstract="false" name="ConsolidatedEBITDA" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_ProfessionalFeesAndExpensesMember" abstract="true" name="ProfessionalFeesAndExpensesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_DebtorsMember" abstract="true" name="DebtorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_DividendsEBITDAThresholdForDeclaration" abstract="false" name="DividendsEBITDAThresholdForDeclaration" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_StandardProductWarrantyAccrualIncreaseDecreaseForAmountsReclassifiedToLiabilitiesSubjectToCompromise" abstract="false" name="StandardProductWarrantyAccrualIncreaseDecreaseForAmountsReclassifiedToLiabilitiesSubjectToCompromise" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_AccruedFreightCostCurrent" abstract="false" name="AccruedFreightCostCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_SummaryOfSupplementalCashFlowInformationRelatedToOperatingLeasesTableTextBlock" abstract="false" name="SummaryOfSupplementalCashFlowInformationRelatedToOperatingLeasesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="gtx_OtherComprehensiveIncomeDefinedBenefitPlanForeignCurrencyTranslation" abstract="false" name="OtherComprehensiveIncomeDefinedBenefitPlanForeignCurrencyTranslation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_AccountsReceivableSoldNotYetCollected" abstract="false" name="AccountsReceivableSoldNotYetCollected" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_AdvancedDiscountsToCustomersCurrent" abstract="false" name="AdvancedDiscountsToCustomersCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_DebtInstrumentPeriodicPaymentInterestApplicablePeriodExceedsThreeMonths" abstract="false" name="DebtInstrumentPeriodicPaymentInterestApplicablePeriodExceedsThreeMonths" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="gtx_CreditAgreementUSDTrancheMember" abstract="true" name="CreditAgreementUSDTrancheMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_PSAAndTransactionAmendedPlanMember" abstract="true" name="PSAAndTransactionAmendedPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_ConsolidatedTotalLeverageRatio" abstract="false" name="ConsolidatedTotalLeverageRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="gtx_PercentageOfTargetLevelToGrantPerformanceStockUnits" abstract="false" name="PercentageOfTargetLevelToGrantPerformanceStockUnits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="gtx_OtherComprehensiveIncomeDefinedBenefitPlanActuarialLossesRecognized" abstract="false" name="OtherComprehensiveIncomeDefinedBenefitPlanActuarialLossesRecognized" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_RecentlyIssuedAccountingPronouncementsPolicyPolicyTextBlock" abstract="false" name="RecentlyIssuedAccountingPronouncementsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="gtx_ServiceCostMember" abstract="true" name="ServiceCostMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_PercentageOfExcessCashFlowProceedsForYearThree" abstract="false" name="PercentageOfExcessCashFlowProceedsForYearThree" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="gtx_DefinedBenefitPlanAssetsAtFairValueMember" abstract="true" name="DefinedBenefitPlanAssetsAtFairValueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_RightToOffsetFederalTax" abstract="false" name="RightToOffsetFederalTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSettledInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSettledInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="gtx_BenefitObligationMember" abstract="true" name="BenefitObligationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_IncomeTaxesTable" abstract="true" name="IncomeTaxesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="gtx_ScheduleOfReorganizationItemsTableTextBlock" abstract="false" name="ScheduleOfReorganizationItemsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="gtx_RelatedPartyTransactionsPolicyPolicyTextBlock" abstract="false" name="RelatedPartyTransactionsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="gtx_CommonStockConvertibleInitialConversionPrice" abstract="false" name="CommonStockConvertibleInitialConversionPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="gtx_RevenueContractWithCustomerCashAdvancesAndUnbilledReceivablesSettlementPeriod" abstract="false" name="RevenueContractWithCustomerCashAdvancesAndUnbilledReceivablesSettlementPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="gtx_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossAfterReclassificationBeforeTax" abstract="false" name="OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossAfterReclassificationBeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_TwoThousandTwentyOneLongTermIncentivePlanMember" abstract="true" name="TwoThousandTwentyOneLongTermIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_CreditAgreementEURTrancheMember" abstract="true" name="CreditAgreementEURTrancheMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="gtx_CenterbridgeOaktreeAndAdditionalInvestorsMember" abstract="true" name="CenterbridgeOaktreeAndAdditionalInvestorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_TermBFacilityMember" abstract="true" name="TermBFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_RepaymentsOfOutstandingPrincipalBalanceAndAccruedInterestOfLineOfCredit" abstract="false" name="RepaymentsOfOutstandingPrincipalBalanceAndAccruedInterestOfLineOfCredit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_NetIncomeLossAvailableForDistribution" abstract="false" name="NetIncomeLossAvailableForDistribution" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_CashPerformanceStockUnitsMember" abstract="true" name="CashPerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_ForeignCurrencyTransactionGainLossExcludingHedgesBeforeTax" abstract="false" name="ForeignCurrencyTransactionGainLossExcludingHedgesBeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_TwoThousandTwentyOnePerformanceStockUnitsLongTermIncentivePlanForTotalShareHolderReturnMeasureMember" abstract="true" name="TwoThousandTwentyOnePerformanceStockUnitsLongTermIncentivePlanForTotalShareHolderReturnMeasureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_IncrementalCommonSharesAttributableToUnvestedRestrictedStockUnitsAndOtherContingentlyIssuableShares" abstract="false" name="IncrementalCommonSharesAttributableToUnvestedRestrictedStockUnitsAndOtherContingentlyIssuableShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="gtx_RepaymentsOfOutstandingPrincipalBalanceAccruedPrePetitionAndDefaultInterestOfLineOfCredit" abstract="false" name="RepaymentsOfOutstandingPrincipalBalanceAccruedPrePetitionAndDefaultInterestOfLineOfCredit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_AmortizationOfDeferredIssuanceCosts" abstract="false" name="AmortizationOfDeferredIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_DebtorReorganizationItemsExpensesRelatedToSeniorNotes" abstract="false" name="DebtorReorganizationItemsExpensesRelatedToSeniorNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_AccruedPostPetitionInterest" abstract="false" name="AccruedPostPetitionInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_DebtorInPossessionTermLoanFacilityMember" abstract="true" name="DebtorInPossessionTermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_RevenuePerformanceObligationSatisfiedOverTimePercentage" abstract="false" name="RevenuePerformanceObligationSatisfiedOverTimePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="gtx_PlanOfReorganizationTable" abstract="true" name="PlanOfReorganizationTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="gtx_CreditAgreementMember" abstract="true" name="CreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndCancelledInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndCancelledInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="gtx_PensionBenefitsNetActuarialGainLossesRecognitionMinimumPercentageOfGreaterOfFairValueOfPlanAssetsOrProjectedBenefitObligation" abstract="false" name="PensionBenefitsNetActuarialGainLossesRecognitionMinimumPercentageOfGreaterOfFairValueOfPlanAssetsOrProjectedBenefitObligation" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="gtx_ProceedsFromRepaymentsOfDebtorInPossessionFinancing" abstract="false" name="ProceedsFromRepaymentsOfDebtorInPossessionFinancing" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_IncomeTaxesLineItems" abstract="true" name="IncomeTaxesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="gtx_HoneywellInternationalIncMember" abstract="true" name="HoneywellInternationalIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_InterestCostMember" abstract="true" name="InterestCostMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_DebtorReorganizationItemsEmployeeStockCashOut" abstract="false" name="DebtorReorganizationItemsEmployeeStockCashOut" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_PaymentsForCashOutElection" abstract="false" name="PaymentsForCashOutElection" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_OutstandingSharesPeriodToRedeemAllShares" abstract="false" name="OutstandingSharesPeriodToRedeemAllShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="gtx_AccumulatedGainLossChangesInFairValueOfNetInvestmentHedgesMember" abstract="true" name="AccumulatedGainLossChangesInFairValueOfNetInvestmentHedgesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_TwoThousandTwentyOnePerformanceStockUnitsLongTermIncentivePlanForAdjustedEBITDAAndAdjustedEBITDAMarginMeasuresMember" abstract="true" name="TwoThousandTwentyOnePerformanceStockUnitsLongTermIncentivePlanForAdjustedEBITDAAndAdjustedEBITDAMarginMeasuresMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_IndemnificationRelatedLitigation" abstract="false" name="IndemnificationRelatedLitigation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_ReorganizationItemsNetMember" abstract="true" name="ReorganizationItemsNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_ReorganizationItemsNet" abstract="false" name="ReorganizationItemsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_SummaryOfSupplementalBalanceSheetInformationRelatedToOperatingLeasesTableTextBlock" abstract="false" name="SummaryOfSupplementalBalanceSheetInformationRelatedToOperatingLeasesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="gtx_OperatingLeaseRightOfUseAssetAbstract" abstract="true" name="OperatingLeaseRightOfUseAssetAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="gtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardReceivedAtVestingDatePerUnit" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardReceivedAtVestingDatePerUnit" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="gtx_DefinedBenefitPlanPlanAssetsIncreaseDecreaseThroughTransfers" abstract="false" name="DefinedBenefitPlanPlanAssetsIncreaseDecreaseThroughTransfers" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentageDependsOnPerformanceMeasuresAreRelatedToAdjustedEBITDAMargin" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentageDependsOnPerformanceMeasuresAreRelatedToAdjustedEBITDAMargin" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="gtx_RevenueRemainingPerformanceObligationMinimumExpectedTermPeriodToDiscloseValue" abstract="false" name="RevenueRemainingPerformanceObligationMinimumExpectedTermPeriodToDiscloseValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="gtx_DefinedBenefitPlanPlanAssetsIncreaseDecreaseForOtherChange" abstract="false" name="DefinedBenefitPlanPlanAssetsIncreaseDecreaseForOtherChange" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRateDueToInternalRestructuringPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRateDueToInternalRestructuringPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="gtx_SignificantAccountingPoliciesLineItems" abstract="true" name="SignificantAccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="gtx_TwoThousandTwentyOnePerformanceStockUnitsLongTermIncentivePlanMember" abstract="true" name="TwoThousandTwentyOnePerformanceStockUnitsLongTermIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_RecordedToEquityMember" abstract="true" name="RecordedToEquityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_RevenueRecognitionAndContractsWithCustomersTable" abstract="true" name="RevenueRecognitionAndContractsWithCustomersTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="gtx_ContinuityAwardsMember" abstract="true" name="ContinuityAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_RelatedPartyLeaseContracts" abstract="false" name="RelatedPartyLeaseContracts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_IncrementalCommonSharesAttributableToParticipatingSecurities" abstract="false" name="IncrementalCommonSharesAttributableToParticipatingSecurities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="gtx_OriginalEquipmentManufacturersMember" abstract="true" name="OriginalEquipmentManufacturersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_PlanOfReorganizationLineItems" abstract="true" name="PlanOfReorganizationLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="gtx_DeferredTaxLiabilitiesUndistributedForeignEarningsWithholdingTaxes" abstract="false" name="DeferredTaxLiabilitiesUndistributedForeignEarningsWithholdingTaxes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_AdvancedDiscountsFromSuppliersNoncurrent" abstract="false" name="AdvancedDiscountsFromSuppliersNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_IncreaseDecreaseInObligationsPayableToFormerParent" abstract="false" name="IncreaseDecreaseInObligationsPayableToFormerParent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_OthersCustomerMember" abstract="true" name="OthersCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtx_DefinedBenefitPlanBenefitObligationUnrecognizedLossRecognizedAsPensionSettlementExpense" abstract="false" name="DefinedBenefitPlanBenefitObligationUnrecognizedLossRecognizedAsPensionSettlementExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_BankNotesReceivableSoldNotYetCollected" abstract="false" name="BankNotesReceivableSoldNotYetCollected" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_SignificantAccountingPoliciesTable" abstract="true" name="SignificantAccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="gtx_RepaymentsOfSeniorSecuredDebtAndTermLoan" abstract="false" name="RepaymentsOfSeniorSecuredDebtAndTermLoan" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_UnamortizedStockCompensationExpense" abstract="false" name="UnamortizedStockCompensationExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_FactoringAndNotesReceivablesDiscountFees" abstract="false" name="FactoringAndNotesReceivablesDiscountFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_ReorganizationItemsPaidNet" abstract="false" name="ReorganizationItemsPaidNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_OtherChangesInPlanAssetsAndBenefitObligationsRecognizedInOtherComprehensiveIncomeLossAbstract" abstract="true" name="OtherChangesInPlanAssetsAndBenefitObligationsRecognizedInOtherComprehensiveIncomeLossAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="gtx_DeferredTaxAssetsNetOperatingLossesAndOtherTaxAttributeCarryforwards" abstract="false" name="DeferredTaxAssetsNetOperatingLossesAndOtherTaxAttributeCarryforwards" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_CustomerReimbursableEngineeringCurrent" abstract="false" name="CustomerReimbursableEngineeringCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_EquityIncomeOfAffiliatedCompanies" abstract="false" name="EquityIncomeOfAffiliatedCompanies" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtx_ShareBasedCompensationExpectedToBePaid" abstract="false" name="ShareBasedCompensationExpectedToBePaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
