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Contact us by Phone
GMAC Customer Service Center (auto
financing)
1-800-200-4622
GMAC Mechanical Customer Service
Center (Vehicle Service Contracts)
1-800-631-5590
Ally Bank
1-877-247-ALLY (2559)
GMAC Mortgage
1-800-766-GMAC
GM MotorClub (Roadside Assistance)
1-800-997-7846
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