2014 - 2020 Corvette: Service Bulletin: #17-NA-271: Clicking Noise from Front Wheels While Turning at Slow Speeds

#17-NA-271: Clicking Noise from Front Wheels While Turning at Slow Speeds - (Oct 13, 2020)

Subject:

Clicking Noise from Front Wheels While Turning at Slow Speeds

This bulletin replaces PI1498C. Please discard PI1498C.

Brand:	Model:	Model Year:		VIN:		Engine:	Transmission:
Brand:	Model:	from	to	from	to	Engine:	Transmission:
Buick	Enclave	2012	2021	—	—	All	All
Cadillac	XT5	2017
Cadillac	XT6	2020
Chevrolet	Blazer	2019
	Camaro	2016
	Corvette	2014	2020
	Traverse	2012	2021
GMC	Acadia	2012	2021

*Involved Region or Country*	North America, Europe, Russia, Middle East, Israel, Argentina, Brazil, Bolivia, Chile, Colombia, Ecuador, Paraguay, Peru, Uruguay, Japan, GM Korea Company, China, Taiwan, Philippines
*Condition*	Some customers may comment on a clicking noise emanating from the front wheels location. This condition may be more predominant at low speeds (16-32 km/h (10-20 mph) during full wheel lock turns on dry clean pavement.
*Cause*	This may be caused by interaction between the wheel mounting face and the wheel mounting surfaces on the brake rotor.
*Correction*	Clean both of the wheels mounting surfaces.

Service Procedure

Important: DO NOT replace the wheels or brake rotors for this condition.

If you encounter a vehicle with the above concern, follow the procedure below.

Remove both of the front wheels. Refer to Tire and Wheel Removal and Installation in SI.
Clean both of the wheel mounting surfaces as follows.

Using a clean cloth dampened with approved brake cleaner (ex. Part number 19370705 (U.S.), 88901247 (Canada)), wipe the mounting surface of the wheel(s) removing any residual grey or black material that has accumulated on the wheel mounting surfaces.

Note: All cleaning must be done by hand. DO NOT use pneumatic or power tools.

Clean the wheel mounting surface of the brake rotors, or sometimes referred to as the brake rotor top hats, as follows:

2014 - 2020 Corvette: Service Bulletin: #17-NA-271: Clicking Noise from Front Wheels While Turning at Slow Speeds

Using 3M red Scotch-Brite 7447 pad or equivalent with approved brake cleaner (ex. Part number 19370705 (U.S.), 88901247 (Canada)), wipe the wheel mounting surface of the rotor (brake rotor top hat) and the wheel pilot at the center of the rotor, removing any residual grey or black material that has accumulated on the rotors.

Note: All cleaning must be done by hand. DO NOT use pneumatic or power tools.

2014 - 2020 Corvette: Service Bulletin: #17-NA-271: Clicking Noise from Front Wheels While Turning at Slow Speeds

Using Super Lube paste, P/N 12371287 (in Canada, 10953437) or equivalent, apply a light coat around the center pilot of the hub ONLY.

Reinstall both of the wheels using the original wheel nuts. Refer to Tire and Wheel Removal and Installation in SI.

Tighten
TightenRefer to Fastener Specifications in SI for proper wheel nut torque specifications.

Important: Be sure the wheels and rotors are thoroughly dry prior to installation.

Warranty Information

For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.

Labor Operation	Description	Labor Time
8080168*	Clean Mating Surfaces of Wheels and Rotors Due to Clicking Noise	0.7 hr
*This is a unique Labor Operation for bulletin use only.

Version

Modified

October 06, 2017 – Added the Cadillac XT5.

October 19, 2018 – Updated step 3 and added pictures.

November 15, 2018 – Added 2019 Model Years and updated part number for Super Lube in U.S.

January 10, 2019 – Updated the U.S. part numbers for brake cleaner in Step 2 and Super Lube.

February 07, 2019 – Added the 2019 Chevrolet Blazer.

August 23, 2019 – Added certain 2020 Model Year vehicles.

July 21, 2020 – Added the 2020 Chevrolet Blazer.

August 07, 2020 – Added the 2020 Chevrolet Corvette and updated the Involved Region or Country section.

October 13, 2020 – Added the 2021 Model Year and updated the Involved Region or Country section.

Article ID: 1431
Created: August 12, 2020
Last Updated: October 15, 2020

Online URL: https://www.corvetteactioncenter.com/tech/knowledgebase/article/2014-2020-corvette-service-bulletin-17-na-271-clicking-noise-from-front-wheels-while-turning-at-slow-speeds-1431.html