2010 Cadillac CTS Sedan AWD V6-3.0L Technical Service Bulletin # 08-05-23-009E Date: 100322

2010 Cadillac CTS Sedan AWD V6-3.0L Technical Service Bulletin # 08-05-23-009E Date: 100322

Brakes - Squeak/Squeal Noise On Brake Apply

TECHNICAL

Bulletin No.: 08-05-23-009E

Date: March 22, 2010

Subject: Rear Brake Squeak/Squeal Noise on Brake Apply (Replace Rear Brake Pads and Caliper Brackets on Specified Vehicles)

Models:

2008-2010 Cadillac CTS, CTS Sport Wagon

with RPO J55 or JE5

Supercede:

This bulletin is being revised to provide updated VIN breakpoint and model year. Please discard Corporate Bulletin Number 08-05-23-009D

(Section 05 - Brakes).

Condition

Some customers may comment on a rear squeak/squeal noise when the brake pedal is applied. This noise is normally heard when the brake pedal is

lightly applied.

Cause

This condition may be caused by normal friction developed between the pads and the brake rotor, causing a vibration of the brake hardware.

Correction

Important

2010 Cadillac CTS Sedan AWD V6-3.0L Page 217

Only replace the brake pads with the pad kit listed in this bulletin. DO NOT attempt to modify or apply any material to the pads. Do not

replace the rear brake rotors. When replacing the brake pads, also replace the caliper brackets AS DIRECTED BELOW. Be sure to select the

proper clips for this application from the two sets provided in the brake pad kit. Refer to the Old and New Clip Design below to determine which

clip to use.

With RPO JE5 ONLY - All 2008, 2009 Vehicles and 2010 Vehicles Built Prior to VIN Breakpoint A0132917

Important

Be sure the mounting surface for the sticky adhesive backing of the brake pad is clean, dry and oil-free for the best results.

1. Inspect the rear brake system. Refer to Rear Disc Brake Mounting and Hardware Inspection in SI.

2. If the inspection does not identify the concern, replace the rear brake pads (GM P/N 20962994) and brackets (base brake system JE5 only,

GM P/N 20894773). Refer to Rear Brake Caliper Bracket Replacement in SI, which includes pad replacement.

With RPO J55 ONLY - All 2008 Vehicles and 2009 Vehicles Built Prior to VIN Breakpoint 90151180

1. Inspect the rear brake system. Refer to Rear Disc Brake Mounting and Hardware Inspection in SI.

2. If the inspection does not identify the concern, replace the rear brake pads (GM P/N 20876917) and brackets (IF THEY WERE NOT

PREVIOUSLY REPLACED WITH THIS PART NUMBER/uplevel high performance brake system J55, GM P/N 25997463). Refer to Rear

Brake Caliper Bracket Replacement in SI, which includes pad replacement.

Old and New Clip Design

There are two brake clip designs that are provided in GM P/N 20962994. Be sure to select the proper clips for this application. The production (old

design) (1) clip is used on the older style brackets.The newly designed clip (2) is used when only for the new bracket, P/N 20894773, for the JE5

applications.

Parts Information

Warranty Information

For vehicles repaired under warranty, use the table above.