# Service bulletin PI0421C

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: 10137474
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: PI0421C
- Manufacturer's date: 2012\-11\-28
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This preliminary information bulletin provides a procedure to remove and replace the clutch actuator cylinder elbow seal for concerns regarding a fluid leak after clutch actuator replacement.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2012/MC-10137474-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10137474-0001.pdf)

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

## Components

Engine

## Vehicles listed

- 2004 CHEVROLET C SERIES
- 2006 to 2007 CHEVROLET C SERIES

JSON: [/v1/bulletins/10137474](/v1/bulletins/10137474)

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