CAR SHAKING

2004 Mitsubishi Endeavor

Tiny

blkagrl

April, 23, 2011 AT 6:55 PM

2004 Mitsubishi endeavor is shaking while driving between 25-35mph. Why is this?

FOUND 1825 RELATED QUESTIONS

6 Answers

Tiny

caradiodoc

April, 23, 2011 AT 7:15 PM

Felt in the seat or steering wheel? Just when accelerating, cruising at a steady speed, or when coasting?

Tiny

blkagrl

April, 23, 2011 AT 8:00 PM

The shaking is felt in the rear passenger area of the vehicle. It starts shaking as I accelerate pass 25 mph & continues til I reach 35 mph. Will keep shaking while cruising btwn those speeds. After 35 mph no shaking & no shaking after decelarting below 25 mph. It feels like the vehicle is going to fall apart.

Tiny

caradiodoc

April, 23, 2011 AT 9:14 PM

I would start by having the tires inspected for a broken belt. At the speeds you listed, the shaking is likely getting worse because it is at the vehicle's natural frequency to vibrate so a little vibration gets amplified until you feel it. That's the same principle that keeps a pendulum swinging in a grandfather clock without putting in hardly any energy.

This is occurring at too low a speed to be a tire balance issue. If it is a broken tire belt, you should feel the back end wobble too at lower speeds such as when driving through a parking lot. Another thing to consider is a dragging brake due to a sticking parking brake cable that hasn't fully released. That can be harder to notice at higher speeds. Look at the two cables where they exit their outer casings right in front of the rear wheels. If you see a half inch or so that looks shiny, that cable is sticking and is not fully retracted. Often flexing the outer casing will help the cable retract.

Tiny

blkagrl

April, 23, 2011 AT 11:56 PM

Thank you. I will have the mechanic take a look. Also when I put the car in reverseit makes a squeaking sound, almost like if the brakes were bad if I was n drive and trying to brake. Could this alos be another issue tied to the shaking of the vehicle?

Tiny

caradiodoc

April, 24, 2011 AT 4:16 AM

A sloppy wheel bearing could be responsible for both symptoms but that should be very noticeable at lower speeds too. Generally anything that can cause shaking, other than a broken tire belt, will also cause a noise so you might have identified another clue.

Tiny

edt2015

April, 21, 2015 AT 5:54 PM

I had that shaking problem, and what it was
was my transmission fluid was old and needed to
be replaced. And That is all it took.
I know that sounds funny but: think does it feel like your clutch is in the wrong gear?
If you would start out in 2nd gear instead of 1st
you would have the same problem. Mitsubishi uses
a specific type of tranny fluid, make sure you use that one only.
I don't have my owners manual handy, or I would include type,
but it is in there. Look it up.
Hope that helps you. Have a great day

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