severe Vibration on 3rd gear polo 1.9tdi

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Kivashan
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severe Vibration on 3rd gear polo 1.9tdi

Post by Kivashan »

Howzit guys some help needed please i have a polo 1.9tdi.
Am current;y getting a severe vibration on 3rd gear around 2800rpm and over. Its so bad whereby i have to tap off.
However if i accelerate gradually on 3rd theres no vibration. All other gears seem to be fine.

I have changed ball joints, tie rod ends, clutch, front bearing and sub axle in the pas two weeks however still the same. I have noticed that the gearbox mounting and the dig mount are really bad but can this cause a vibration only on 3rd???????

Please help guys tired of spending money and getting no joy!!!!!
Last edited by Kivashan on Tue Jul 31, 2018 9:52 am, edited 1 time in total.
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panic-mechanic
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Re: Server Vibration on 3rd gear polo 1.9tdi

Post by panic-mechanic »

What kind of server - linux or windows?
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Kivashan
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Re: Server Vibration on 3rd gear polo 1.9tdi

Post by Kivashan »

lmao **** didnt see the meant severe
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MarshallGTi
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Re: severe Vibration on 3rd gear polo 1.9tdi

Post by MarshallGTi »

Assume you've had the wheels ballanced?

Next step would be the 3 engine mountings
It is an ingenius solution to a problem that should have never existed in the 1st place...

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panic-mechanic
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Re: severe Vibration on 3rd gear polo 1.9tdi

Post by panic-mechanic »

Change the mounts that you suspect ie. dogbone and GB mount. If that does not cure it it might be the DMF that is on the way out.
You say you changed clutch but does not say if that included the flywheel.
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Kivashan
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Re: severe Vibration on 3rd gear polo 1.9tdi

Post by Kivashan »

i have a 5speed box vr6 clutch plate and pressure plate with abf flywheel guys.
i did balance the wheels but am sure if this was the issue it would be throughout all gears....
Can mountings cause such a issue only a very hectic vibration on 3rd?????
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Re: severe Vibration on 3rd gear polo 1.9tdi

Post by panic-mechanic »

yes.
Stephan van Tonder - Jhb - Putfontein Benoni
'05 Audi A6 3.0L TDI Avant
'09 Touareg 3l TDI
'13 VW CC 2l tdi (repair project)
'05 Touareg v10

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billionairebum
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Re: Server Vibration on 3rd gear polo 1.9tdi

Post by billionairebum »

panic-mechanic wrote: Tue Jul 31, 2018 9:19 am What kind of server - linux or windows?
Assuming Linux, I would asses the filesystem as any vibration on the RAID could case write fails.

1:Check S.M.A.R.T. status of the disk | sudo smartctl -a /dev/[insert device name] > smart-results.txt
2: Check RAID. sudo mdadm -D /dev/md0 | ZFS zpool status
3: Assuming you lucky and you running ZFS you can scrub the volume | zpool scrub {vol name}
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Re: severe Vibration on 3rd gear polo 1.9tdi

Post by MSD »

Im having the same issue on my 1.9 but in 4th and 5th gear between 80 to 110kmh. Originally i thought inner cv joint on the right but the mechanic suspects the dmf on the clutch is on its way out.

Weird enough if i drive the car in the morning it will not vibrate however after around 5 to 10km of driving it will start its nonsense. I also noted when i start the car in neutral without pressing the clutch, it makes a serious knocking noise and kills the engine.
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