Service Update
GMC technical service bulletin GCUS-3-624 for 2016 GMC Sierra 1500 and 2016 Chevrolet Silverado 2500.
- Bulletin number
- GCUS-3-624
- Component
- Engine and engine cooling
- Summary
- 52990 - Service Update. Certain vehicles may have a condition where the body seam sealer in the plenum/cowl area is short, allowing a water leak path that runs into the driver side foot well of the vehicle. Reseal plenum with Kent Automotive High Tech Seam Sealer P10200.
Owners of these vehicles have filed 49 complaints in the engine category.
Vehicles covered
- GMC Sierra 1500 2016 2016
- Chevrolet Silverado 2500 2016 2016
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