Impala V8-5.3L (2008)
Oxygen Sensor: Recalls
Campaign - Inspect/Replace Post-Catalyst O2 Sensor
Subject:
Service Update for Inventory Vehicles Only-Post Catalyst Oxygen (02) Sensor - Inspect/Replace - Expires September 30, 2007
# 07178 - (07/09/2007)
Models:
2007 Chevrolet Impala, Monte Carlo
2008 Chevrolet Impala
THIS SERVICE UPDATE INVOLVED VEHICLES IN DEALER INVENTORY ONLY AND WILL EXPIRE SEPTEMBER 30, 2007.
Purpose
This bulletin provides a service procedure to inspect and, if necessary, replace the Post Catalyst Oxygen (02) Sensor on certain 2007 Chevrolet Impala,
Monte Carlo; and 2008 Chevrolet Impala vehicles.
These vehicles may have been built with an incorrect Post Catalyst Oxygen (02) Sensor.
This service procedure should be completed on involved vehicles currently in dealership inventory as soon as possible, but no later than September 30,
2007 at which time this bulletin will expire.
Vehicles Involved
Parts Information
Parts required to complete this service update are to be obtained from General Motors Service and Parts Operations (GMSPO). Please refer to your
"involved vehicles listing" before ordering parts. Normal orders should be placed on a DRO = Daily Replenishment Order. In an emergency situation,
parts should be ordered on a CSO = Customer Special Order.
Important:
It is estimated that after Inspection less than 1% of involved vehicles will require a Post Catalyst Oxygen (02) Sensor replacement. Parts should only
be ordered when the Inspection determines that it is necessary to replace the Post Catalyst Oxygen (02) Sensor.
Service Procedure
Post Catalyst 02 Sensor Inspection and Replacement Procedure
Important:
2007 model year Chevrolet vehicles should be equipped with the "Delphi" brand, P/N 12570149, Post Catalyst Oxygen (02) Sensor. 2008
model year Chevrolet vehicles should be equipped with the "Denso" brand, P/N 12608662, Post Catalyst Oxygen (02) Sensor.
