2010 Cadillac Truck Escalade EXT AWD V8-6.2L Technical Service Bulletin # 08-07-30-026A Date: 110517

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Technical Service Bulletin # 08-07-30-026A Date: 110517

A/T - Slight Vehicle Movement In Park At Start Up

INFORMATION

Bulletin No.: 08-07-30-026A

Date: May 17, 2011

Subject: Information on Slight Vehicle Movement in Park at Start Up After Cold Soak

Models:

2012 and Prior GM Passenger Cars and Light Duty Trucks

Equipped with Automatic Transmission

Supercede:

This bulletin is being revised to add the 2010-2012 model years. Please discard Corporate Bulletin Number 08-07-30-026 (Section 07 -

Transmission/Transaxle).

Some vehicles 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.

This slight movement is due to the residual transmission fluid in the clutch packs that creates a partial apply on start up. This movement is stopped

by the parking pawl and/or transmission fluid exhausting completely from the clutch packs.

This slight movement has no adverse affects on the transmission and no repair should be attempted. This condition is normal. This can be verified

by comparing with another identically built vehicle under the same cold conditions.

To prevent this condition from occurring, the parking brake should be utilized as per the Owner's Manual recommendations anytime the vehicle is