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Chevrolet TSB #15617
2015 Chevrolet Silverado 1500
TSB Document:
Affected Component: ENGINE (PWS)
- Summary
- 15617 - CUSTOMER SATISFACTION PROGRAM. CERTAIN VEHICLES EQUIPPED WITH A 6.2L (L86) ENGINE AND ENHANCED TOWING (NHT) MAY HAVE BEEN BUILT WITH AN INNER GRILLE NOT INTENDED FOR THIS APPLICATION. AT THE TRUCKS ADVERTISED TOWING CAPACITY OF 17,700 LBS. (8,025 KG.), ENGINE COOLANT AND ENGINE OIL TEMPERATURES MAY EXCEED DESIGN INTENT. THERE IS NO ENGINE OIL TEMP MONITORING OR CUSTOMER WARNING. PROLONGED TIME, OR MULTIPLE DRIVE CYCLES OVER THE ALLOWABLE MAX OIL TEMP MAY RESULT IN REDUCED OIL LIFE, ENGINE COMPONENT THERMAL STRESS, AND EVENTUAL ENGINE FAILURE. DEALERS ARE TO REPLACE THE INNER GRILLE.
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