Question about 2001 Mercury Grand Marquis

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When going 50 mph or so, giving gas shifts the rear of the vehicle to the right slightly then letting off shifts it back to the left.

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Ohhh sounds like the tranny mount which is part rubber. Could be loose but most likely wore out.

Posted on Nov 02, 2010

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1 Answer

00 sierra on decceleration above 30 mph get a noise like a airplane taking off, slight pressure on gas pedal and soundas like a shift and noise goes away. always happens on deacceleration ??

If noise coming from rear of vehicle, inspect differential components. Possible pinion bearing internal to differential getting worn

Jan 26, 2016 | Cars & Trucks

1 Answer

My 2001 Suzuki Vitara has a lot of engine power but when I hold my gas pedal to the floor it does not go past 50 mph. It doesn't seem to want to shift unless I let up on the gas pedal for a sec then it...

low power is caused by many things.
1: dragging brakes or very low tire pressure (dangerous)
2: slipping transmission, called Flare or will not up shift. to 4th gear and overdrive TC clutch lock.
3: weak engine. there are 4 engines used USA. so what engine , if engine is weak.
G16, J20, H25, H27?
we can not guess engines.ever or country.

Feb 19, 2015 | 2001 Suzuki Vitara

1 Answer

Rear end howls and vibrates, most noticeable at 50-65 mph. Noise only depends upon vehicle speed, does not change with gear or if in neutral.

Sounds liike a ring and pinion on rear differential. U can pull the cover off and check this or another thing would be to check your u-joints.

Dec 30, 2014 | 1995 Isuzu Trooper

1 Answer

Transmission not shifting

First thing I would check is the transmission fluid level, and it is not going to shift at 50 MPH if you are in 4WD. If it has been driven on the clear highway in 4WD at high speed then most likely the rear end is going out. From there it would be most helpful to know more details how the vehicle was running shortly before the shifting problem started. Engine size and any details you think might help will be most kind, as I can't give a proper solution or suggestions with the info listed. Feel free to email me with details and then I can help with this. Hope this Helps.

Feb 02, 2014 | 1998 Dodge Durango

1 Answer

Ti have a 2001 dodge dakota quad cab, 5.9 engine. when i try a drive over 50 mph it won't shift unless i really romp on the gas. its staying at 2.5 rpm while trying to drive over 50 mph. What do i

its probably the kickdown cable look under the hood its the cable that runs next to the throttle cable see if there's alot of slack or if its too tight and not letting it release all the way.

Mar 20, 2013 | 2001 Dodge Dakota

3 Answers

At 40 mph the car starts to shake. It last to 5o

I have this same car with exactly the same problem. Begins shaking at 40mph and stops shaking as soon as you let off the gas, but then begins again as soon as you press on the gas and smooths out as you get over 50. And the shaking is not felt through the steering wheel. Solution: Replace the transmission mounts. There are two of them, one on each side mounted on the frame right next to the shock strut. There is also a front and rear engine mount, but I replaced the two as described and shaking is gone.

Jun 29, 2009 | 2000 Buick LeSabre

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