Table 1 shows eight common engine and engine cooling related problems of the 2000 GMC Sonoma. The number one most common problem is related to the engine noise (one problem). The second most common problem is related to the engine and engine cooling (one problem).
Consumer states oil cooler line went bad and engine has a rattle when it is cold, also the rocker arm makes a noise when it is hot. The rear differential pinion seal was bad. It was replaced, but there is still a bad growl coming from the rear end when the consumer accelerates. Read details...
The trucks been handling fine and all of the sudden the oil pan blows out on the truck and I think it threw a rod. Which is not my fault a piece came apart or came out of the engine causing all that pressure to build up and mess it up. The vehicle was in motion not going over 60 Read details...
Oil return lines fail prematurely causing oil to leak at the crimp sites on the hoses. Ld return lines were replaced with new lines on 18 September 2004 with new lines general motors part numbers 15194578 and 15194579 purchased on 16 and 17 September 2004. Read details...