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Chevrolet TSB #SB-16-NA-130
2008 Chevrolet Avalanche
Affected Component: EQUIPMENT
- Summary
- THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO INSPECT THE UPPER VALVE BODY TO DETERMINE THE CORRECT RPO USAGE TO CORRECT A CONCERN THAT AFTER INSTALLATION OF A REPLACEMENT UPPER VALVE BODY, THE TRANSMISSION MAY HAVE NO REVERSE AND NO 2ND GEAR DUE TO THE INSTALLATION OF THE INCORRECT UPPER VALVE BODY.