# Service bulletin GCUS\-3\-815

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: 10130554
- Published by NHTSA: 2018\-04\-02
- Manufacturer's number: GCUS\-3\-815
- Manufacturer's date: 2017\-01\-20
- NHTSA component: POWER TRAIN

## NHTSA's summary

16038 \- Customer Satisfaction. Certain vehicles, equipped with an 8 speed automatic transmission and an extra capacity cooling system, may have a condition in which the transmission oil cooler \(TOC\) lines come in contact with the body studs for the outer quarter panel reinforcement. Over time this contact may wear a hole through the line causing a fluid leak. It is possible that the leak may not be visible, but could lead to illumination of the malfunction indicator lamp, rough/irregular shifts, slipping, and, eventually, complete loss of propulsion. Dealers will install a protective sleeve to the TOC line.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10130554-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10130554-0001.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2016 CHEVROLET CORVETTE

## Other bulletins for the same vehicles and component

- [PI0281L](/bulletins/11019516.md), 2025-06-12, Service bulletin: STEERING; POWER TRAIN; SUSPENSION. This preliminary informational \(PI\) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- [PIP5966A](/bulletins/11014622.md), 2025-03-02, Service bulletin: POWER TRAIN. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
- [PIP5966A](/bulletins/11014621.md), 2025-03-02, Service bulletin: POWER TRAIN. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
- [16\-NA\-019](/bulletins/11014353.md), 2025-02-19, Service bulletin: POWER TRAIN. This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
- [09\-06\-04\-026Z](/bulletins/11013069.md), 2025-01-23, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides information on identifying Non\-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- [08\-07\-30\-035I](/bulletins/11011989.md), 2024-12-19, Service bulletin: POWER TRAIN. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- [PIP6014](/bulletins/11011436.md), 2024-12-05, Service bulletin: POWER TRAIN. This Preliminary information communicates for Technicians installing a Service Replacement Transmission Assembly to contact Technical Assistance to make sure unit is not suspect of a snap ring concern prior to installation.
- [04\-06\-01\-029K](/bulletins/11011205.md), 2024-12-04, Service bulletin: POWER TRAIN; STEERING; ENGINE. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
- [20\-NA\-138](/bulletins/11009756.md), 2024-11-05, Service bulletin: POWER TRAIN; ENGINE. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
- [08\-07\-30\-026I](/bulletins/11009088.md), 2024-10-24, Service bulletin: POWER TRAIN. This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto\-start feature, if equipped.

JSON: [/v1/bulletins/10130554](/v1/bulletins/10130554)

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