# Service bulletin PIE0437

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10134638
- Published by NHTSA: 2018\-04\-23
- Manufacturer's number: PIE0437
- Manufacturer's date: 2017\-10\-27
- NHTSA component: POWER TRAIN; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL

## NHTSA's summary

This engineering information is requesting information from the field on vehicles that have the condition of Rear Drive Module Fluid Leaks \- Axle Seals, Pinion Seal, or Cover Seal.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10134638-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10134638-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Transmission and driveline, Axle

## Vehicles listed

- 2017 to 2018 CADILLAC ATS
- 2018 CADILLAC CTS

## Other bulletins for the same vehicles and component

- [PIP5898B](/bulletins/10253081.md), 2024-04-15, Service bulletin: POWER TRAIN:AXLE ASSEMBLY. This Preliminary information communicates a potential root cause for a rear axle seal leak.
- [PIP5898A](/bulletins/10232802.md), 2023-03-13, Service bulletin: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. This Preliminary information communicates a potential root cause for a rear axle seal leak.

JSON: [/v1/bulletins/10134638](/v1/bulletins/10134638)

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