Question about 2000 Volvo S40

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Boby vibration around 1500 RPM on 2005 volvo s40

When I am traveling at a constant speed of 40 MPH around 1500 RPM there is a vibration noise that occurs almost like when you are on a highway and you go over the pavement that makes your car vibrate, but not as extreme. the car was in an accident, but in the rear so I am trying to figure out a solution to this problem.

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  • Marcel
    Marcel Feb 03, 2014

    I have the same problem looking for solution. The dealer told me axle, I replaced myself, and still, feel like mufler but I can reach to see before the catalytic.



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Check for loose engine / trany mounts

Posted on Jul 16, 2009


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My 2001 volvo s40 shakes when I accelerate past 30 mph

it could be a motor mount check the condition of it or it can be that something with the suspension might need attention . . those things can cause vibration at certain speeds

Jun 08, 2009 | 2001 Volvo S40

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2000 volvo c70 shudder

I can think of a few things that may be happening.
  • The electronic throttle modules (ETM) are problematic. There is a software upgrade that addresses some of the issues, and replacement of the ETM may also be needed. Volvo has an extended warranty on the ETM, so this may be of no charge to you
  • The MAF sensor also fails and causes idle as well as acceleration issues
  • Volvo often comes out with software upgrades for the engine and transmission control modules that address all sorts of issues
  • Also, make sure that the trouble codes are checked and recorded before any work is done
  • Check the transmission fluid and flush the entire system if the fluid is dark or has a burnt smell
Good Luck,

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2000 Volvo S40

one unit that operates ratio changes and is connected to the engine is that vacuum operated actuator on the transmission
it is possible that that unit is failing , vacuum hose is leaking and that will cause ratio changes as the vacuum varies
run the fault codes to check for wiring problems or VSS or TCM problems as well

Mar 23, 2017 | 2001 Volvo S40

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