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I have a very bad vibration in my engine. It only happen frist thing in the morning or when the car has been off for a period of time. I called the service department and they said that they had a call bacj on this problem but I never received one. What can I do to have my truck worked on at no cost to me.
- Juan W.,
Fort Wayne, IN, USA
My pickup has 57,000 miles on it and just after Christmas, when it sat for three days without starting, there was a major engine vibration when starting up. It stopped after a few seconds which time the engine knock came back.
- Louis O.,
Bellevue, WA, USA
My truck is a long bed 4X4, 4.3 litre 5 speed manual, purchased used. The truck has a vibration eminating from somewhere in the engine, clutch, or front end area. The tires were pretty worn when I bought it, so I thought they were the problem. Bought new tires, and no change. The vibration starts about 45 mph, regardless of gear. Vibration lessens as speed increases. The steering wheel shakes, the 4x4 shifter vibrates so bad I had to bungy cord it to the seat to calm it down. Depressing the clutch while @ 45 mph ceases vibration, so I thought it was in the drivetrain. Tried turning the driveshaft 180 deg. No change. Could be the clutch, except I've also noticed the vibration is not consistant from day to day. Seems like it's worse on colder days, but not always the case. Knowing that the 90 deg V-6 is naturally unbalanced, and that GM added balance shafts to compensate, maybe the engine is causing it. I'm also considering the possibility that the computer is over-leaning the fuel mixture, which could cause the engine to run rough. My truck's warranty is over, so I've been trying to come up with fix myself, but it looks like I'm going to have to break down and take it into a dealer for an analysis. Will update after I have it looked at.
I've read lots of complaints about similar vibrations, but have yet to see where anyone reports an adequate solution. It is also helpful in these forums if owners give as many details about their vehicle as possilble. When some just says "2000 GMC truck", and leaves out type of engine, trans, drivetrain etc., it's makes it hard to compare problems.
- Dave H.,
West Newton, PA, USA
It vibrates like something awful, you cannot have a pop in the cupholder cause it will be flat after 1 mile of driving. I have had the tires balanced over 10 times, i have replaced tires and i have replaced the rims, and have yet to resolve the problem. i take the truck to the dealership, they balance the tires charge me $40, and it rides ok for about 200 miles then it starts back again. i have no more ideas on fixing the problem, and the dealership has yet to come up with a solution,
- Brian E.,
Winchester, KY, USA