Service Update
Chevrolet technical service bulletin N192219160 for 2019 Chevrolet Silverado 5500, 2019 Chevrolet Silverado 4500 and 2019 Chevrolet Silverado 6500.
- Bulletin number
- N192219160
- Component
- Power train
- Summary
- N192219160 - Service Update - Certain 2019 Chevrolet Silverado 4500/5500/6500 vehicles may have been built with a rear axle housing breather improperly installed. If the rear axle housing breather were loose or missing, a customer could see rear diff. fluid on the ground. If the leak were ignored, a grinding noise could occur and continued use of the vehicle may result in the rear differential seizing. Verify rear axle housing breather is installed/oriented correctly. If not, drain and refill rear differential to eliminate any possible contamination and install new rear axle housing breather.
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