This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or...
Chevrolet technical service bulletin 21-NA-138 for 2015-2025 Chevrolet Silverado 2500, 2015-2025 GMC Sierra 2500 and 2015-2025 Chevrolet Silverado 3500 and others.
- Bulletin number
- 21-NA-138
- Component
- Suspension
- Summary
- This service bulletin provides a repair procedure to correct a customer concern of a Squeak, Grind or Clunking Noise from Rear Leaf Springs.
Owners of these vehicles have filed 32 complaints in the suspension category.
Vehicles covered
- Chevrolet Silverado 2500 2015-2025 20182019202020212022202320242025
- GMC Sierra 2500 2015-2025 20182019202020212022202320242025
- Chevrolet Silverado 3500 2015-2025 20182019202020212022202320242025
- GMC Sierra 3500 2015-2025 20182019202020212022202320242025
- GMC Sierra Denali 2015-2020 201520162017201820192020
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