Duramax Vibrates When Floored

Ignoring these problems can cause an unnecessary breakdown.

Duramax vibrates when floored. Currently the truck has only 52000 well cared for miles the viration at. If it vibrates underload then goes way at the top end of rpm range check you coil pack. 1999 mitsubishi eclipse gsx 11 244. That was corrected but took two tries second time at 6000 mi.

903 0 0 0. This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur in either the seat or steering wheel on full size pickups at speeds of 56 72 km h 35 45 mph or 96 120 km h 60 70 mph vibrations caused by wheel and tire axle components and or propeller shafts and. Like all duramax engines from 01 10 the lml was also void of a lift pump from the factory. Almost like a buzz.

If it does not do it when the car is rolling just when you hit the gas then its probly not drivetrain. All my mounts are perfect i am not at all concerned runs perfect the elevated idle just makes it a little vibrate a bit more like most diesels i have driven. Excessive grease around the spindle of the u joint is a sign that there is a leak and the bearings will be running dry. My vibration in temps below zero at idle during warm up is very slight but noticeable.

I ve more or less rules out frame beaming however because the truck still vibrates when on the rack. At 70 the problem disappears. I had a similar problem 1500 rpm when the truck was only a month old. We don t exactly know what the cp4 2 requires for low pressure fuel.

This will cause future problems if not. The first time i towed a lightweight trailer load less than 2500lbs a steady vibration showed up in the range of 55 65mph. Sounds funny but mine was going out and car had same tip of vibration from the front end. This vibration isn t that bad it s more of a shimmy you can feel in the steering wheel and the floor boards but not earth shattering at all.

My 2006 duramax has excessive vibration at idle along with a noise at 1300 rpm what has created this and have you heard of this from others. The vibration will be felt at the floor board and can be either a small vibration or a large one depending on the wear.