2004 GMC Sierra 3500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 GMC Sierra 3500

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2004 GMC Sierra 3500
$
93
to $
1,159
2004 GMC Sierra 3500
$
122
to $
492
2004 GMC Sierra 3500
$
268
to $
568
2004 GMC Sierra 3500
$
443
to $
2,733
2004 GMC Sierra 3500
$
288
to $
2,124

2004 GMC Sierra 3500 Problems

Instrument Panel Lights Flickering and Exterior Lights Intermittent

The headlight switch used on the GMC Sierra 3500 is known to fail through normal operation. Since the headlight switch is also integrated into the interior lights, a malfunctioning switch can cause issues with interior lights as well.

  • Symptoms of a failed headlight switch include:
  • Headlights and taillights failing to turn on or off
  • Interior lights flicker, or fail to turn on or off
  • Gauge cluster lighting off or flickering with headlights on
  • Parking light malfunctions  

This issue is well known with General Motors Trucks and SUVs, and is solved by testing and, if needed, replacing the headlight/dimmer switch. Bad grounding wires at the tail-lights, and dirty/corroded tow package wires can also lead to some of these issues. 

Check Engine Light Due to Gas Cap Issue

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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.

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2004 GMC Sierra 3500 Questions

Why does my motor not shift before it sounds like its revved too high? (1 answer)

When accelorating during takeoff rpm increase and motor sounds as though it should have shifted already.

My 2004 3500 Duramax loses power while pulling a 35 foot 5th wheel and speed dro (1 answer)

My 2004 3500 Duramax loses power while pulling a 35 foot 5th wheel and speed drops to about 40 mph fuel consumtion goes up and engine runs real rough. I stopped and checked trailer brakes and then it ran OK. Also if I shut the engine off for a few minutes, it runs OK. It only deoes this once o...

Where is the heater control valve for the passenger side? (1 answer)

Where is the heater control valve for the passenger side? What does it look like?

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2004 GMC Sierra 3500 Recalls

Fuel May Leak from Fuel Rail

The retainer clip for the fuel rail pulse damper may fracture and allow the damper to come loose from the fuel rail. A fuel leak in the presence of an ignition source may result in a fire. Dealers will replace the engine fuel rail pulse damper free of charge. The recall began August 31, 2006. The GM recall number is 06080.

Recall 05V161000
ON CERTAIN PICKUP TRUCKS EQUIPPED WITH MANUAL TRANSMISSIONS AND BUILT WITH EITHER PBR PARKING BRAKE SYSTEMS OR TRW PARKING BRAKE SYSTEMS, THE PARKING BRAKE FRICTION LININGS MAY WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.
Rear Seat Belt for Smaller Passengers May Not Fit Correctly

The second row center seat belt routing may make it difficult to position correctly on smaller passengers. If the seat belt rides up to fit around the abdomen, the risk of internal injury is increased in a crash. Dealers will cut the guide loop, remove a portion of the loop, and the remaining sides should be folded over and secured with a retainer. The recall began July 21, 2005. The GM recall number is 05037.

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