Subject: | Availability of 20 Inch Plus Size Wheels for 1500 Crew Cab 5'8" Bed |
Models: | 2004-2005 Chevrolet Silverado 1500 Crew Cab |
2004-2005 GMC Sierra 1500 Crew Cab |
With 5'8" Bed |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in the PI.
20-Inch Plus-Size Wheels offered as Chevrolet and GMC Accessories for the 1500 Series Crew Cab models of the Chevrolet Silverado and GMC Sierra.
On October 19th, 2004, a "Stop Sell" was placed on 20-Inch Plus-Size Wheels offered as Chevrolet and GMC Accessories for the 1500 Series Crew Cab models of the Chevrolet Silverado and GMC Sierra (Models CC15543, CK15543, TC15543, TK15543). However, component design changes have recently been made to these vehicles at the following VIN breakpoints, allowing for installation of the 20-Inch Plus-Size Wheels:
1500 Series Crew Cab Model | VIN Breakpoint | Merchandising Model |
---|---|---|
Sierra (2WD) | 51334993 | TC15543 |
Sierra (4WD) | 51334978 | TK15543 |
Sierra Denali (AWD) | 51334762 | TK15543 |
Silverado (2WD) | 51334946 | CC15543 |
Silverado (4WD) | 51335001 | CK15543 |
Note: The 20-Inch Plus-Size Wheels should continue to be restricted for 2004-05 model year 1500 Series Crew Cab models built prior to these VIN breakpoints. The only exception is for those customers who had 20-Inch Plus-Size Wheels installed on their 1500 Series Crew Cab model vehicles prior to October 19th, 2004.
Please reference Technical Service Bulletin 03-03-10-006 to verify all necessary steps are followed to properly install these wheels.
Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.