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Ihave a 99 suburban 2500 4x4 it is shaking between 30 and 55 stops when I let of throttle and makes a rattling loose metal sound as it works up to 55mph. Any ideas on the problem

Posted by Anonymous on

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  • Cars & Trucks Master
  • 352 Answers

Check all the U joints.

Posted on Apr 11, 2015

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  • Cars & Trucks Master
  • 1,834 Answers

Bad tires will cause vibrations at different speeds. So will bad wheel bearings. My car made awful noise at fifty but not at forty and I had two tires the belts were broken.

Posted on Apr 11, 2015

  • Anonymous Apr 11, 2015

    Its not tires I can be going 55 and let off gas and instantly the shaking and what sounds like metal gears bouncing gears in my tranny. Stops.

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Posted on Jan 02, 2017

Brian032472
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SOURCE: Front Right Tire Making Bad Rattleing Sound

Chrysler products as a whole are not well known for quality front end components ( I own one ) I would check the upper and lower ball joints and tie rod ends for worn or damaged parts. If no satisfaction here consider returning to where it was repaired and have them re-inspect thier work. All of us in the industry do are best but none are perfect.

Posted on Nov 04, 2008

SOURCE: My 1991 Saturn makes a rattling sound in the engine

This is more than likely the exhaust manifold heat shield. Check around the small bolts that hold the shield to the manifold. It usually cracks in a circle around the head of the bolt. Press on the top and bottom of the shield (WHEN COOL) and rock it. You will see where the shield is cracked. The shield is available as a service part, and is not expensive.

Posted on Jul 24, 2009

  • 20 Answers

SOURCE: Engine Noise

either a pulley or belt is worn could be a bearing on a pulley different reasons check pulleys or spray belt dressing on belt maybe.....

Posted on Oct 10, 2009

jturcotte
  • 7696 Answers

SOURCE: 2003 mercury sable. rattle noise on rough road.

loose wheel not caused by cv joints. More likely ball joint or tie rod end. Usually need a lift to do this kind of work. If cv boot is torn open, replace axle as well. If you haven't done this kind of work before, recommend you get some help from someone that has done it.

Posted on Sep 02, 2010

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  • 1915 Answers

SOURCE: what would cause 99 alero

noises are tough, but try getting under the car when the engine is cold and it has been sitting for a while and hit (with your fist) the catalytic converter-the substrate in cats break up and cause rattles that are especially noticable when the vehicle is running at low speeds.

Posted on Apr 02, 2011

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1 Answer

2004 explorer died while driving then won't start and sounds horrible shaking in engine. All lights and electric working. Little wrench light came on.


I dont know what the horibile shaking you are describing they seem to ussually just loose a fuel pump or a ignition module. If its a knock or grind it wont help you. if its metalic its a rod or timing chain. a rod or piston knocks and or rattles around timing chain grinds and or motor spins faster than ussual. Good Luck

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1987 Chevy Suburban with 6.2L diesel shakes at certain speeds.


Sounds like you may have a loose motor mount. I would check these as well as any that support the transmission.

If this doesn't seem to be the issue, try replacing the fuel filter, glow plugs, and make sure all vacuum lines are connected and in good repair.

carsandcomps,

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Rattling sound from the exhaust


The metal shielding around your catalytic converter could be rattling or the rubber donut that holds the rear tailpipe could be bad. When your car is cold shake your tailpipe and see if you can reproduce the noise. If you can your tailpipe donut is likely bad. Three dollars at any auto parts store. If it does rattle when you shake your tailpipe then the heat shield for your convert could be loose. You need to tighten it up another piece of metal between it and the converter to keep it from rattling. If you hear the rattle when you go over bumps too then your exhuast is probably, loose. Crawl under there and stake shaking things, I am sure you'll find the problem

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Exhaust system rattling on 2005 300C. 58,000 miles!


You have a loose heat shield or a broken rubber mount.

jack your car up make sure you put some thing under need like a jack stand ( just for safety) and manually shake your muffler usually rattling noises are cause when metal rubes metal.

Jun 17, 2009 | 2005 Chrysler 300

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Suspect 99 malibu broken timing belt


If its a 99 4 cyl 2.4 ltr it should have a timing chain. Check your PCV (positive Crankcase Ventilation) Valve. it should rattle when you shake it. sometimes you can clean it with carb cleaner. but for what they cost, just go buy a new one. When they plug up it doesn't let your crankcase breathe and you will start getting oil in your throttle body or carb. Gas engines don't like to run on oil for the combustion process.4 cyl engines dont have a pcv valve just the v6 motor...

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