This Preliminary information communicates in temperatures below freezing, it may be noticed that exhaust...
Chevrolet technical service bulletin PIT5819 for 2019-2021 Chevrolet Silverado 1500 and 2019-2021 GMC Sierra 1500.
- Bulletin number
- PIT5819
- Component
- Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
- Summary
- This Preliminary information communicates in temperatures below freezing, it may be noticed that exhaust is only exiting from the right hand exhaust tailpipe. The cause of this condition is a low point in left side tailpipe which results in condensation building up at the low point in the tailpipe. In low temperatures the condensation can freeze and form ice limiting the flow of exhaust out of the left tailpipe. Dealers are to drill a small hole in the left tailpipe to allow condensation to drain.
Owners of these vehicles have filed 2,115 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 1500 2019-2021 201920202021
- GMC Sierra 1500 2019-2021 201920202021
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