Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1986C 10 P/U 2WD V8-350 5.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSRECALL - FUEL TANK INSPECTION/REPLACEMENTDEALER CAMPAIGN RESPONSIBILITY
1986 Chevrolet C 10 P/U 2WD V8-350 5.7L
Dealer Campaign Responsibility
1986 Chevrolet C 10 P/U 2WD V8-350 5.7LSECTION Dealer Campaign Responsibility
Buick, Cadillac, Oldsmobile and Pontiac
Your dealership sales records require inspection to determine the name and address of purchasers of these replacement tanks.
^ If the purchaser is the owner of the vehicle, you should send the owner a copy of the owner letter requesting that they take their truck into a Chevrolet or GMC Truck dealer for inspection per Campaign Bulletin 91-C-51.
^ If the purchaser is NOT the owner of the vehicle, (e.g. a body shop, independent repair shop, etc.), you should contact the repair facility and obtain the owner's name and address so that you can send the owner a copy of the owner letter requesting their truck be taken into a Chevrolet or GMC Truck dealer for inspection per Campaign Bulletin 91-C-51.
^ Submit a warranty claim for time searching for purchaser's name and address, expense incurred mailing the owner letter as well as Chevrolet or GMC a copy of the purchaser's name and address.
Copies of the vehicle owner's name and address for each listed part number, along with your dealership name, address and dealer code should be mailed to the appropriate division:
Chevrolet Motor Division GMC Tuck Division
Mail Code 480 205 210 Product Campaigns
30007 Van Dyke 31 E. Judson (MC 1607-02)
Warren, MI 48090-9065 Pontiac, MI 48342-2230
Attention: Campaign Coordinator Attention: Campaign Coordinator
Since this recall involves only replacement parts, and GM records do not contain customer name and address, it is very important that each involved dealer take the necessary time required to responsibly identify customers who have purchase these tanks.
If you have any of these tanks in inventory, they should be returned to GMSPO which will credit your account for the purchase plus an allowance for handling or provide you with a replacement tank. Use SPO form PC659 and the customary procedures for defective part return as described in the Parts Policy and Procedures Manual.
Your dealership sales records require inspection to determine the name and address of purchasers of these replacement tanks.
^ If the purchaser is the owner of the vehicle, you should send the owner a copy of the owner letter requesting that they take their truck into a Chevrolet or GMC Truck dealer for inspection per Campaign Bulletin 91-C-51.
^ If the purchaser is NOT the owner of the vehicle, (e.g. a body shop, independent repair shop, etc.), you should contact the repair facility and obtain the owner's name and address so that you can send the owner a copy of the owner letter requesting their truck be taken into a Chevrolet or GMC Truck dealer for inspection per Campaign Bulletin 91-C-51.
^ Submit a warranty claim for time searching for purchaser's name and address, expense incurred mailing the owner letter as well as Chevrolet or GMC a copy of the purchaser's name and address.
Copies of the vehicle owner's name and address for each listed part number, along with your dealership name, address and dealer code should be mailed to the appropriate division:
Chevrolet Motor Division GMC Tuck Division
Mail Code 480 205 210 Product Campaigns
30007 Van Dyke 31 E. Judson (MC 1607-02)
Warren, MI 48090-9065 Pontiac, MI 48342-2230
Attention: Campaign Coordinator Attention: Campaign Coordinator
Since this recall involves only replacement parts, and GM records do not contain customer name and address, it is very important that each involved dealer take the necessary time required to responsibly identify customers who have purchase these tanks.
If you have any of these tanks in inventory, they should be returned to GMSPO which will credit your account for the purchase plus an allowance for handling or provide you with a replacement tank. Use SPO form PC659 and the customary procedures for defective part return as described in the Parts Policy and Procedures Manual.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.