car 'shakes' when I release the clutch pedal
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  1. #1
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    car 'shakes' when I release the clutch pedal

    My car shakes when i release the clutch pedal in first gear, sometimes it does it also when switching to second gear (especially at low RPMs). when the clutch is released the shaking seems to stop.
    If I start downhill it is not noticeable, but starting uphill makes the whole care shake (sometimes a lot) until the clutch pedal is fully released. it does it even if i try to release pedal in higher revs..
    clutch on its way out? is anything warped in there? or maybe motor mounts? any ideas?


    yes I know how to drive, all I had in my life was manual transmissions (same with my wife).

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  3. #2
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    The way to test your clutch is to get up to 3k or so in 5th and then floor it. If it slips, you probably have a worn clutch disc. If not, you have some other problem. Maybe your motor mounts are hosed?

    SirWired

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    Super Stealth Retired Moderator JayTheSnork's Avatar
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    the vibration described could also be a worn throw-out bearing; I'd vote for either a bad throw-out bearing 1st, and a bad motor or tranny mount(s) second.

    like sir wired said, the best way I know to test for a worn clutch is be on a major highway (say, at least a 55 mph road), and then push the accelerator all the way to the floor - if the tach increases with little to no increase in speed, the clutch is shot.

    Click n Clack (a nationally syndicated radio show) would tell you to put your car bumper against a building, put it in 5th gear, and then let the clutch out - if the RPMs increase and the motor doesn't die when the clutch is fully out, the clutch is bad. I don't recommend this way, but I suppose it works...

  5. #4
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    clutch is not slipping.

    I've seen how to check motor mounts with auto tranny by accelerating in D while pushing on stop pedal, but how do I do that with a manual transmition?
    Also how do I check the tranny mounts? any way of checking the throw-out bearing as well?

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    A good start would be to get that sucker up on ramps and do a physical check. If they are obviously hosed, then there is your problem...

    That is certainly about 10,000x times cheaper than pulling the tranny to check the throwout.

    SirWired

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    Quote Originally Posted by sirwired View Post
    A good start would be to get that sucker up on ramps and do a physical check. If they are obviously hosed, then there is your problem...

    That is certainly about 10,000x times cheaper than pulling the tranny to check the throwout.

    SirWired
    I did the motor mount check thing and engine doesn't move that much side to side at all, and only rises up by 1/2 inch which is normal. car doesn't shake that much at idle either.

    where are the tranny mounts located? what does "hosed" mean?

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    Physical check would be to see if they are leaking purple fluid out of the bottom. You will have staining on the mounts below them. Mine were both "hosed"/busted by 68,000 along with the front mount.

  9. #8
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    do you "dump" the clutch cause i worked on a car that this person dumped the clutch and opened it up and the plate fell out in many peices. and gave a verry rough ride b4 we worked on it

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    Quote Originally Posted by D3R3K View Post
    do you "dump" the clutch cause i worked on a car that this person dumped the clutch and opened it up and the plate fell out in many peices. and gave a verry rough ride b4 we worked on it
    I never dump the clutch but I bought it used 30k miles ago (70k now). As far as I can remember it's always been doing this.

    Quote Originally Posted by WKY01PASSATWGNTURBO View Post
    Physical check would be to see if they are leaking purple fluid out of the bottom. You will have staining on the mounts below them. Mine were both "hosed"/busted by 68,000 along with the front mount.
    I'll try looking out for that purple fluid then, I just dont know where any of the mounts are located.
    I guess what I have to look for is "where does the engine attach to the body"

  11. #10
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    You either have a bad clutch disc, warped pressure plate or fluid leaked onto the disc/pressure plate. A throwout bearing will not cause shaking, just noise.

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    Quote Originally Posted by dougmcp View Post
    You either have a bad clutch disc, warped pressure plate or fluid leaked onto the disc/pressure plate. A throwout bearing will not cause shaking, just noise.
    that doesnt sound too good, but it could very well be my problem. thanks for the info.

    I guess I'm going to need a new clutch, arghhh.

  13. #12
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    A worn clutch shouldn't cause shaking just slippage. There are two easy ways to test the clutch.

    Follows Jay's advice.

    My guess is that your engine or tranny mounts are bad. A Passat's clutch can easily handle a K04 + chip upgrade. My '99 B5 went from 150 hp to 230 hp and I had no clutch issues at 127K miles. So unless you are a really bad driver I doubt it's the clutch.

    How many miles do you have?

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    i'm leaning on tranny mount... Im having the same problem you are, in addition, sometimes when i brake a get a noticable "click coming from the area, my car's going in the shop in a couple weeks for the tb job, my valve cover leak and to look on the tranny mount... I'm at 98XXX and replaced my clutch and flywheel 1.5 yrs ago

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    Quote Originally Posted by Tom Parish View Post
    A worn clutch shouldn't cause shaking just slippage. There are two easy ways to test the clutch.

    Follows Jay's advice.

    My guess is that your engine or tranny mounts are bad. A Passat's clutch can easily handle a K04 + chip upgrade. My '99 B5 went from 150 hp to 230 hp and I had no clutch issues at 127K miles. So unless you are a really bad driver I doubt it's the clutch.

    How many miles do you have?
    I tested the clutch and couldn't feel no slipping at all.

    I'm at 70k miles right now. like i said I bought the car with 45k on it.. and i don't know the previous owner.

    I looked at my engine while pushing on the accelerator but it wasn't moving left and right, could the motor mounts still be bad?
    where are the tranny mounts located? any way to check those without taking it apart?

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    Super Stealth Retired Moderator JayTheSnork's Avatar
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    the tranny and motor mounts are obviously cheaper to replace (as noted above) than a throw-out bearing (if this is what it is, you replace the clutch and pressure plate at the same time...).

    got jackstands? the best way to check tranny and motor mounts is to get under the car. there will be a purpleish grease around them if they are bad... (makes note to self to check them at the next oil change)

  17. #16
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    Quote Originally Posted by katone View Post
    My car shakes when i release the clutch pedal in first gear, sometimes it does it also when switching to second gear (especially at low RPMs). when the clutch is released the shaking seems to stop.
    If I start downhill it is not noticeable, but starting uphill makes the whole care shake (sometimes a lot) until the clutch pedal is fully released. it does it even if i try to release pedal in higher revs..
    clutch on its way out? is anything warped in there? or maybe motor mounts? any ideas?


    yes I know how to drive, all I had in my life was manual transmissions (same with my wife).
    I have the exact same problem..its driving me nuts
    Did you found what was faulty??

    Thanks

  18. #17
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    X2 on the throw out bearing.

  19. #18
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    is it chatter or just shaking?

  20. #19
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    Do you think that the OP is referring to the bucking you get in first gear when you are going to slow and the car is about to stall?

  21. #20
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    This post seems to be from earlier this year but I wonder if he replaced the clutch or not.

    I had really bad shuddering when releasing the clutch in first gear. It was not too bad when the engine was cold but once it warmed up it was horrible. Sitting in traffic was a nightmare. My clutch was also slipping in 4th and 5th gears. I bit the bullet and replaced the clutch and flywheel. The clutch had 120,000 miles at the time. Been like new ever since. It was worth the big expense and I'm hoping this clutch lasts even longer.
    Last edited by droop17; 12-03-2008 at 08:05 PM.

  22. #21
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    Quote Originally Posted by droop17 View Post
    This post seems to be from earlier this year but I wonder if he replaced the clutch or not.

    I had really bad shuddering when releasing the clutch in first gear. It was not too bad when the engine was cold but once it warmed up it was horrible. Sitting in traffic was a nightmare. My clutch was also slipping in 4th and 5th gears. I bit the bullet and replaced the clutch and flywheel. The clutch had 120,000 miles at the time. Been like new ever since. It was worth the big expense and I'm hoping this clutch lasts even longer.

    It´s shaking like a big vibration , gets worst when engine is hot 90ºC/194ºF ..

    My car was at the dealer to replace the clutch, it was slipping a lot,now it doesn´t, but i´m wondering if the F**** dealer only replaced the clutch
    and the flywhhel and bearing are the same..have paid the entire kit
    Just curious if Katone replaced the clutch kit or other spare..
    I already tried to PM him, but it looks like i need 5 posts
    i am getting there

  23. #22
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    if the problem happens when you pull your foot OFF of the pedal, the problem is not a toasted throwout bearing. the throwout bearing is retracted as soon as you pull your foot off of the pedal, and is applied to the pressure plate when you put your foot down on the clutch. the pressing against the pressure plate causes he outer ring, which is hinged to move the opposite direction with pressure, backs off, and the clutch has free movement, which the trans makes full use of for changing gears.if this happens only when you take your foot off, i'd say you may have a problem with your pressure plate (if it wasn't replaced) or something warped somewhere.

  24. #23
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    i feel the vibration when i´m releasing the pedal, when i take my feet completly out of the pedal the vibration stops.. it´s the exact same problem described by katone..
    what you said makes all sense and possibly the dealer didn´t replaced the pressure plate, only the clutch disc..
    i´ll talk to the dealer , this time with more information..
    Thanks a lot.

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    Quote Originally Posted by Tom Parish View Post
    A worn clutch shouldn't cause shaking just slippage. There are two easy ways to test the clutch.

    Follows Jay's advice.

    My guess is that your engine or tranny mounts are bad. A Passat's clutch can easily handle a K04 + chip upgrade. My '99 B5 went from 150 hp to 230 hp and I had no clutch issues at 127K miles. So unless you are a really bad driver I doubt it's the clutch.

    How many miles do you have?
    x2

  26. #25
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    Quote Originally Posted by vw_passatB5_chris View Post
    x2
    will check that thank you..
    i´ve 150k km, something like 94k miles..

  27. #26
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    Thyank you guys problem solved, one of the transmission mounts gone soft, replaced it and the shakes ended, thank you all for the help!!

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    tranny mount, huh? which one?

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    Quote Originally Posted by yugo View Post
    Thyank you guys problem solved, one of the transmission mounts gone soft, replaced it and the shakes ended, thank you all for the help!!
    where are the tranny mount? I looked and can't see them.

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    Quote Originally Posted by TheAmazingDave View Post
    tranny mount, huh? which one?
    The smaller one, passenger side..it looks like a different car..

  31. #30
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    Quote Originally Posted by katone View Post
    where are the tranny mount? I looked and can't see them.

    Yes katone, the best way is with the car lifted up, you can see a rubber part that supports the transmission.. but i did it by a different way, with a friend´s help, i asked him to push the hand brake and to release gradually the clutch, the car started to shake, and i could see where it was shaking..

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