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When the car is stationary and the air condition is switched on, the whole car shakes.

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  • sam-007 Apr 22, 2009

    1996 Volkswagen Polo - do you think it will be very costly to repair?

  • sam-007460 Apr 22, 2009

    is it possible that the engine mounts could have been damaged? that probably could be another reason why the engine shakes? any idea?



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It sounds like the idle up system for the A/C is not working. When the A/C is turned on either a computer or a mechanical solenoid increases the engine idle speed to prevent the shaking.

What is the make and model?

Posted on Apr 22, 2009

  • Samuel Charles Spriggs Apr 22, 2009

    Well, of all the possible repairs you could encounter, this one is on the low end of the cost scale. My guess is $150-$500 -- but this is purely a guess.



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The driver side tire on my Nissan Altima shakes badly I've changed the brakes but I'm wondering if I need to change the lower control arm

Can you grab the tire/wheel assembly and it has looseness while stationary or is it a shake that starts when speed increases?
If it starts to shake as speed increases,you may need a wheel balance.
If there is any looseness when you grab it while stationary,get a look under there SAFELY!! and replace any loose parts.

May 28, 2017 | Nissan Cars & Trucks

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My air conditioner is not working on my 2005 Nissan quest se. what may be the problem? it was working fine yesterday. there is plenty of antifreeze

anti freeze has nothing to do with air conditioning
shaking at speed is , tires, wheel alignment, suspension parts or balance and again is not related to air conditioning
working one day and not the next suggest a leak in the ac system and now the low pressure switch is not allowing the compressor to work
So to cover your problems
take the car to an accredited auto ac specialist shop and have it checked for leaks and gas
then take it to an accredited suspension for a thorough check of the front end , then have a wheel alignment done

Oct 04, 2016 | 2005 Nissan Quest 3.5 SE

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I have a bass tracker 2010 Pro Team 175 with a 50 HP Mercury motor. Phenomenal boat. Fished this past weekend and boat would not start when I went to return home. Nothing, no turn over of ignition,

check battery condition with a load test. check charge rate from motor
clean battery terminals and posts to shiny clean
It has been known for batteries to deplete from electrolysis when stationary in the water so ensure that all cables are in good condition
fit a circuit breaker switch on a battery terminal to switch it off when stationary

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The computer in your car is called the ECU, it is unlikely that it will need to be replaced and that your problem lies elsewhere.

Is the car shaking when only driving or when stationary too? If it is shaking when driving above a certain speed, the problem is likely to be a problem with your handling/wheels either being out of balance or a tracking problem

If your car is shaking when you turn it on. It will be ideiling rough which could be down to numerous problems such as not getting enough fuel or air, or there being a misfire on a cylinder. It is best to get a diagnostic check done by a garage and then come back and inform us of the problem.

May 05, 2014 | Chevrolet TrailBlazer Cars & Trucks

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Po301 pd on mazda mpv 2004

When does it shake? If it shakes at idle (car is stationary) then it's likely a cylinder misfire. Could be a bad spark plug, ignition coil, O2 sensor... .. If shaking at idle a trip to a shop with a diagnostic tool will tell you where to look. If shaking is under braking it's likely a warped disc brake, if it's shaking at freeway speeds it's likely an out of balance tire. Will need some more info to give you a better answer.

Jul 21, 2013 | Mazda 2004 MPV LX

1 Answer

Air conditioning switches to heat when the truck hits a bump.

A bad wheel bearing could also make your car shake. The best thing to do would be to take the car to a mechanic for diagnosis.---------------------------------------------------------------
ECU Chip Tuning Tool

Nov 19, 2012 | 2001 Dodge Ram 2500 Truck

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I have a 2003 mitsubishi galant ES 4 cylinder and have a check engine light message on i had the code read at auto zone and they told me the third cylinder is misfiring and when it idles it jumps around...

Misfire means you need spark plugs replaced. Or spark plug coils.

That's why the whole car starts shaking because its running basically on 3 cylinders and not 4 as supposed. There is no gas compression on the 3rd cylinder because once again the spark plug is "misfiring"

There also might be even a bigger problem which could be the distributor cap where the coils are connecting outside the engine.
once you fix the problem the check engine will turn off immediately

hope that helps.

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My stering shakes when I drive over 25 mph how do i fix this?

Most likely the front tires need to balanced or are worn unevenly. Have all four tires rotated and balanced.

May 27, 2010 | 1992 Buick Century

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Air Conditioniong not working

U may be low in Freon gas.
When Freon is low there's low pressure switch that will prevent A/C compressor clutch from engaging to protect it from failure.
So, first check Freon pressure & any leaks form lines & hoses fittings.
Even if the fan is working, that doesn’t indicate proper compressor OP'S.
Look at the compressor front side you'll see the clutch stationary while the AFT pulley moving.

Then put air-condition compressor switch to ON (Engage),
You should see the clutch engage & start rotate,
If NOT, this is very clear indication u r low in Freon.


Jun 03, 2009 | 2003 Dodge Caravan

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