engine/tranny problem ?? HELP..

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Oct 29, 2001 | 03:27 PM

Master T

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engine/tranny problem ?? HELP..

I have a 1997 A4 1.8TQA with an annoying problem...Just as I come to a complete stop at a light or whatever the engine gives a shake/vibration like its going to stall but never does (it is very subtle and it is really only the driver that can feel it). Looking at the tach the RPM's never drop below normal idle. Is that an engine issue or a tranny issue. Any information would be great.

Thanks

Master T

Oct 29, 2001 | 03:28 PM

Skene @ PES Tuning

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possibly time to replace your motor mounts..

Oct 29, 2001 | 03:32 PM

Master T

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Re: possibly time to replace your motor mounts..

There is no other time when there is a strange vibration unless I come to dead stop....that coul dbe the motor mounts ??

Thanks

M

Oct 29, 2001 | 03:37 PM

Skene @ PES Tuning

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well lets think about it... your coming to a stop... your engine is pretty much being thrown...

from the back to the front... you have to remember... you accelerate.. you yourself gets pushed into the seat? correct? when you decelerate.. your body is eased off from the seat.... same thing with an engine.. the mounts hold the engine like a seatbelt.. it might not hold you in place when your being pushed back.. but when you get lunged forward. and you also have to remember that it is holding up an engine at the same time.. so could it be possible.. yes it could be... if you want a definate.. i couldnt tell you.. have a friend of yours press on the gas pedal while you watch your engine movement.. if you see a lot of play.. yes it is time.. if it doesn't move much... then you might be ok and you have a larger problem. most engine/tranny problems occur from bad mounts. then comes from the way you drive your car.

Oct 29, 2001 | 03:44 PM

Master T

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Re: well lets think about it... your coming to a stop... your engine is pretty much being thrown...

How much is it for new mounts plus labour from an Audi dealer ?? Expensive ??

Thanks

Master T

Oct 29, 2001 | 03:46 PM

Skene @ PES Tuning

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dont know... would i take it to an Audi dealership to do the work... probably not..

buy the parts from Audi... while your there ask how much it would cost.. it wont hurt to ask.

Oct 29, 2001 | 04:11 PM

twoquattros

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cheking for bad motor mounts more inside

get somebody to sit on the drivers seat, make sure the car is parked (hand brake up)have the person put the car in first gear and release the cluch slowly the car wont move cause the parking brake is on, but the engine should swing a bit, with the hood open u should see how much the engine swings, if it swings more than two inchs than u have a defective engine mount.oh yea do the same thing in reverse.
hope this helps