Engineering Information Rear Drive Module Fluid Leaks
Cadillac technical service bulletin PIE-0437 for 2017-2018 Cadillac CTS and 2017-2018 Cadillac Ats.
- Bulletin number
- PIE-0437
- Component
- Equipment
- Summary
- Engineering Information Rear Drive Module Fluid Leaks - Axle Seals, Pinion Seal, or Cover Seal Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Some customers may comment on a fluid leak originating from the rear drive module assembly. Cause GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will be used to "root cause" the customer's concern and develop/validate a field fix. Correction Important: Do not attempt to clean or disturb leak path area. If you encounter a vehicle with the above concern, prior to any cleaning or repairing, verify leak from either axle seal, pinion seal, or cover seal. Once verified, take photos of leak and contact engineer listed below PRIOR to any cleaning or repairing.
Vehicles covered
- Cadillac CTS 2017-2018 20172018
- Cadillac Ats 2017-2018 20172018
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