2007 GMC Sierra 3500 HD Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2007 GMC Sierra 3500 HD

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2007 GMC Sierra 3500 HD Problems

Check Engine Light Due to Gas Cap Issue

A Loose or worn gas cap may cause Check Engine Light to illuminate.

Replace spark plugs every 100,000 miles

The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.

Flush brake fluid every 60,000 miles

Our technicians recommend flushing the brake fluid every 60,000 miles.  Brake fluid that is dirty may cause problems in the brake system.

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2007 GMC Sierra 3500 HD Questions

Recall issued by GM? regarding the diesel Injector Pump? 2007 3500HD Duramax 6.6 (1 answer)

Tech 2 code listed injection pump? Hoping it's only a Injection valve replacement?

Service Trailer Brake System light came on without towing (1 answer)

The servcie trailer brake system light just came on and i'm not towing anything.

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2007 GMC Sierra 3500 HD Recalls

Possible Under Hood Electrical Fire

The heated washer module under the hood could overheat due to excessive current draw. Under certain conditions, this could result in an under hood fire. This previous recall attempt in 2008 to repair this concern did not have the expected success. Dealers will now permanently disable and remove the heated washer module to correct this concern. This recall is expected to begin on June 20, 2010.

Possible Under Hood Electrical Fire

The wiring to the washer system heater may overheat due to a failure in the heater module. This could cause other electrical features to malfunction, smoke to develop, and an electrical fire could result. Dealers will install a wire harness with an inline fuse to protect the washer heater module. This recall is expected to begin on September 12, 2008. The General Motors recall number is 08048.

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