2000 GMC Jimmy "car shaking around 40 mph" Questions

...around 30 to 40 mph. Checked motor mounts,, trany mounts, and rims. All good. The truck really shacks extensively until I let off throttle. Any ideas???? Bad universal joint First make sure you have ...

around 40 to 55 mph it shakes I have a 2005 silverado 5.3 around 40 to 55 mph it will sometimes shake and feels like its a misfire but i have replace spark plugs,wire, and battery and it still does it

cause this? I bought a brand new car, took it for a run,got up to speed and the car started shaking. Took car back to dealer a few times. Eventually they said to put on "Michelin" tyres. Problem fixed

...car started shaking very badly around 40 MPH. Its an automatic. Any ideas why it shakes? Although you didn't say if it feels like the shaking is coming from a wheel, it sounds to me like you have ...

car shakes when accelerating around the speed of 40/45 mph. Unless I gun the motor then it smooths out. if you drive at 40 to 45 dose it shake all the time or dose it go away ? It shakes all the times

...AROUND 55 MPH IT SHAKES REALLY BAD..WHEN I SLOW DOWN TO 40 MPH IT STOPS SHAKING. ANY SUGGESTIONS TO WHAT THIS PROBLEM IS? Rael good indication of a tire out of balance or a drive shaft out of

...around 40 mph seems like if i step on gas it will come out of shaking, maybe some loss of power when bucking could be something with the ignition system, fuel filter. I would start with spark plugs, ...

...going around 40 mph. Ok at lower and higher speeds. Shaking is really bad when brakes applied at higher speeds. please help. more than likely you need to have your brake rotors resurfaced or ...

around 40 mph, but the wheel or steering doesnt shake, its the truck itself shaking. It's not as bad when i get up to 50mph. The check engine light 1998 ram shakes at low rpm's (1100-1700)

...shaking. But you can feel that once it's adjusted to the next gear, it's fine. It's really bad around 40mph...our mechanic doesn't know what it's from. Please help, it's really frustrating. They have ...