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NHTSA ID Number: 10162155
Manufacturer Communication Number: PIT5530C
Summary
This Preliminary Information communication provides information to the technician about removing the tinnerman push nuts when installing the accessory Accessory 22″ Wheels Regular Production Option Code (SES, SEU, SEY, OR SEZ) or production 22″ wheels Regular Production Option Code (RPT or SMI) also during any service requiring wheel removal.
30 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CADILLAC | ESCALADE | 2015-2019 |
| CHEVROLET | SILVERADO 1500 | 2014-2018 |
| CHEVROLET | SUBURBAN | 2015-2019 |
| CHEVROLET | TAHOE | 2015-2019 |
| GMC | SIERRA 1500 | 2014-2018 |
| GMC | YUKON | 2015-2019 |
SEOCONTENT-START
Bulletin No.: PIT5530C
Published date: 06/25/2019
Preliminary Information
PIT5530C Remove Tinnerman Push Nuts Prior to Installation or During Service of Accessory/Production 22″ Wheels – Induced Vibration
Models
Brand: Model: Model Years:
VIN:
Engine: Transmissions:
from to
Cadillac Escalade 2015 – 2019 All All All All
Chevrolet Silverado 1500 2014 – 2018 All All All All
Chevrolet Suburban 2015 – 2019 All All All All
Chevrolet Tahoe 2015 – 2019 All All All All
GMC Sierra 1500 2014 – 2018 All All All All
GMC Yukon 2015 – 2019 All All All All
Involved Region or
Country North America and N.A. Export Regions
Additional Options
(RPO)
Equipped with Accessory 22″ Wheels (RPO SES, SEU, SEY, OR SEZ) or
production 22″ wheels (RPO RPT or SMI), shown below.
Condition
When Accessory 22″ Wheels (RPO SES, SEU, SEY, or SEZ) are installed, or any service requiring wheel removal (including RPO RPT or SMI), the tinnerman push nuts, example shown below on a rear brake rotor, will need to be removed. The tinnerman push nuts are only used to hold the brake rotors on the axle during assembly and serve no purpose after assembly.
Cause Failure to remove the tinnerman push nuts could cause an issue where the wheel will no longer be flush when it is mounted to the rotor hub face and secured. This may create lateral runout, inducing a vibration.
Correction:
Prior to the installation of GM Accessory Wheels (RPO SES, SEU, SEY, or SEZ) or during service of production 22″ wheels (RPO RPT or SMI), make sure that the tinnerman nuts have been removed and discarded. If diagnosing a vibration concern and the vehicle is equipped with these accessory/production wheels, inspect to make sure the tinnerman nuts have been removed.
Additional SI Keywords
GM Part Number 19301158, 19301156, 19301157, 19301159, 20939930, 20939931
Version History
Version 4
Modied 11/30/2016 Created on
01/09/2017- Updated to add additional wheel RPO’s
03/26/2018 – Updated to add the 2018 models
06/25/2019 – Updated to add 2019 models
SEOCONTENT-END
Bulletin No.: PIT5530C
Published date: 06/25/2019
https://www.nhtsa.gov/recalls?nhtsaId=10162155
https://static.nhtsa.gov/odi/tsbs/2019/MC-10162155-9999.pdf
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Bulletin No.: PIT5530B
Published date: 03/26/2018
https://www.nhtsa.gov/recalls?nhtsaId=10137199
https://static.nhtsa.gov/odi/tsbs/2018/MC-10137199-9999.pdf
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Bulletin No.: PIT5530A
Date:
https://www.nhtsa.gov/recalls?nhtsaId=10113310
https://static.nhtsa.gov/odi/tsbs/2017/MC-10113310-9999.pdf
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Bulletin No.: PIT5530
Date: Nov-2016
https://www.nhtsa.gov/recalls?nhtsaId=10114858
https://static.nhtsa.gov/odi/tsbs/2016/MC-10114858-9999.pdf
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