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Vibration after DMF replacement volvo v50

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Old Oct 15th, 2020, 12:34   #1
FugoLV
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Default Vibration after DMF replacement volvo v50

Volvo v50, 2.0D, 2008 year, manual gearbox.

Hi there! In advance i am sorry for my bad english. Brief description of problem.
Not far ago i replaced my DMF+clutch and some oil in manual gearbox and strange things started to occur, when i drive on 95km/h i start to feel something like vibration through back of the seat. It only happens on 90km/h through 100km/h....feels like its related to engine RPM. I started to investigate and tryed* fix problem and there is a list of things i have done so far.
1.Cheked tyres, wheel balance and all seems OK
2.Changed brake discs and pads on the rear.
3.Cheked all fuel injectors and replaced bad ones.
So the question is to where should i dig next? Engine mounts? Or maybe just bad DMF or clutch? (LuK)
Thank you for any advice!
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Old Oct 15th, 2020, 18:41   #2
lockstock
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Originally Posted by FugoLV View Post
Volvo v50, 2.0D, 2008 year, manual gearbox.

Hi there! In advance i am sorry for my bad english. Brief description of problem.
Not far ago i replaced my DMF+clutch and some oil in manual gearbox and strange things started to occur, when i drive on 95km/h i start to feel something like vibration through back of the seat. It only happens on 90km/h through 100km/h....feels like its related to engine RPM. I started to investigate and tryed* fix problem and there is a list of things i have done so far.
1.Cheked tyres, wheel balance and all seems OK
2.Changed brake discs and pads on the rear.
3.Cheked all fuel injectors and replaced bad ones.
So the question is to where should i dig next? Engine mounts? Or maybe just bad DMF or clutch? (LuK)
Thank you for any advice!
drop the clutch when you feel the vibration. if it goes away as revs drop its engine or gearbox on the input side. if the vibration persists its gearbox on the output side or driveshafts/hubs/ wheel bearings etc.
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Old Oct 15th, 2020, 20:15   #3
FugoLV
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What do you mean by input side? DMF or clutch or even engine itself? Thank you!
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Old Oct 15th, 2020, 20:29   #4
lockstock
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Originally Posted by FugoLV View Post
What do you mean by input side? DMF or clutch or even engine itself? Thank you!
yea input side is the engine, clutch, dmf and input shaft on the gearbox, generally speaking.

Basically Ive suggested you check if the vibration is related to engine revs, or road speed.

Worn engine mounts can cause funky vibrations on these cars, as can bad cv joints onnthe drive shafts
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