2004 GMC Sonoma Repair and Maintenance

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

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2004 GMC Sonoma Problems

Loss of One or More HVAC Blower Motor Speeds

The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.

Driveability Problems Due to Internal Distributor Fault

The distributor may develop internal faults. This can cause a rough running engine or stalling condition and the Check Engine Light may or may not illuminate. The distributor should be overhauled or replaced to correct this concern.

Transmission Leak From Output Shaft Seal

A fluid leak may develop from the transmission output shaft seal. This leak may cause the transmission mount to become oil soaked and require replacement of the mount along with the leak repair.

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2004 GMC Sonoma Questions

abs light comes on for no reason (1 answer)

why does my abs light come on when there is nothing wrong with the brakes

temp reading during winter time 125 (1 answer)

temp gauge during cool mounths does not read correctly.still have heat and does not get hotter than 125 on the gauge. summer time reads 210. I have had the truck for 3 years. What could cause false reading?

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2004 GMC Sonoma Recalls

Air Bag Labels May Be Incorrect

Vehicles may have an air bag warning label with incorrect statements. This is against the Federal Motor Vehicle Safety Standard. Owners will be sent corrected labels and installation instructions. The recall began June 4, 2004. The GM recall number is 04021.

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