2003 GMC Sonoma Consumer Discussions | Edmunds
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2003 GMC Sonoma - Consumer Discussions

All GMC Sonoma Models

I have a 2003 GMC Sonoma that suddenly started making a very loud vibration or rattle noise at hwy speeds. I was traveling on a trip and during the trip the noise started. It sounds like it is coming ...

I have a 2003 sonoma p/u. I have changed the thermstate and I still have no heat. I also see that the temp. of the engin is running cooler then normal, which is why I changed it. This did not work a...

(a shift lever on the floor) (RPO NP2) and a Sonoma with a push button transfer case with a 2H1, 4H1 and 4L0 position (RPO NP1). The RPO codes for this style of transfer case are NP1 (NVG 233, 243, 2...

The aluminum modules are in 1997, 1998, and part of 1999 model trannies. It could be V6 Sonomas, S-10s and Astros. A 2000 and later should not have problem. Problem, when properly fixed is not that bi...
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Certified Pre-Owned (CPO) is a category of used car. Often late-model vehicles, they have been inspected, refurbished, if necessary, and are under warranty by the manufacturer.

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