Vibration: Velociti 1.6i

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The Musical Dr
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Car Make: VW
Car Model: Velociti 1.6i
Location: Gauteng, SA

Vibration: Velociti 1.6i

Post by The Musical Dr » Mon Jan 15, 2018 9:11 pm

Hello. Please assist. I’ve been driving a mk1 for the past 12 years with hardly any issues. Late last year, I replaced tyres, shocks, shock mountings, cv boots & LHS outer cv. Balancing & alignment was done obviously. Now there’s a terrible vibration throughout the car, whilst it’s idling & increases when accelerating. The entire dash vibrates. I’m not sure what it can be. I was thinking of replacing the engine mountings next but would prefer if someone out there who has experienced a similar problem can help pinpoint the exact problem.
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Re: Vibration: Velociti 1.6i

Post by panic-mechanic » Tue Jan 16, 2018 5:52 am

Check the righthand engine mount by the timing belt. Those fail usually first and allows metal contact to the body which is what you are feeling.
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The Musical Dr
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Re: Vibration: Velociti 1.6i

Post by The Musical Dr » Tue Jan 16, 2018 8:38 am

Thanks panic-mechanic! Will replace. I have previously replaced it when I put in a branch. I remember having to take it to an engineer to fit the rubber part of the mounting into the frame/bracket. This was because I bought the part from VW. I’ll try Goldwagen this time around for the complete part.
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Re: Vibration: Velociti 1.6i

Post by The Musical Dr » Thu Jan 18, 2018 9:49 am

Replaced the RHS mounting. It was damaged, however, the vibration is still there. I think it can be the LHS mounting because the rubber seems to be protruding outwards of the bracket. I'm replacing this one next and will feedback.
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Re: Vibration: Velociti 1.6i

Post by panic-mechanic » Thu Jan 18, 2018 10:12 am

Also look at the one under the car behind the gearbox.
Stephan van Tonder - Jhb - Putfontein Benoni
'07 Audi S6 V10 - beast !!!!!
'05 Audi A6 3.0L TDI Avant
'07 Audi A4 2l TDI
'95 Audi 90 coupe quattro
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Re: Vibration: Velociti 1.6i

Post by The Musical Dr » Thu Jan 18, 2018 10:27 am

I have already checked that one. It looks good. Thx!
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Re: Vibration: Velociti 1.6i

Post by panic-mechanic » Thu Jan 18, 2018 3:03 pm

Did you place the two side rubbers in with the mount you changed and does it have them. Often they are / were left out and then it clatters against the body still.
Also check where the exhaust downpipe where it goes down the body that it does not touch somewhere
Stephan van Tonder - Jhb - Putfontein Benoni
'07 Audi S6 V10 - beast !!!!!
'05 Audi A6 3.0L TDI Avant
'07 Audi A4 2l TDI
'95 Audi 90 coupe quattro
'13 VW CC 2l tdi (repair project)
'05 Touareg v10

Perfect Power dealer. I do dyno tuning.
The Musical Dr
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Re: Vibration: Velociti 1.6i

Post by The Musical Dr » Mon Jan 22, 2018 9:44 am

Update: Attempted to replace the LHS mounting on Saturday just to find that there was nothing wrong with it. Also the one I got from GW must be pressed into the bracket of the mounting so I would not have been able to do it. I put back the original and there is no change. Vibration is still there.
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Re: Vibration: Velociti 1.6i

Post by The Musical Dr » Tue Feb 06, 2018 8:27 am

Howzit guys! I eventually booked my car into Hatfield VW to check out the cause of the vibration. I replaced the following: front wheel bearings, rear gear-box mounting, steering rack boots and the left side drive shaft. After doing all of this, there is a slight improvement but there is still a vibration. Has anyone ever come across this scenario before? If so, how did you diagnose the problem and what was the end result?
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Re: Vibration: Velociti 1.6i

Post by panic-mechanic » Tue Feb 06, 2018 11:05 am

Without seeing the car it is impossible to diagnose vibrations on the internet.
Same with noises.
People's decriptions/ perception of them are just too different.
Stephan van Tonder - Jhb - Putfontein Benoni
'07 Audi S6 V10 - beast !!!!!
'05 Audi A6 3.0L TDI Avant
'07 Audi A4 2l TDI
'95 Audi 90 coupe quattro
'13 VW CC 2l tdi (repair project)
'05 Touareg v10

Perfect Power dealer. I do dyno tuning.
The Musical Dr
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Re: Vibration: Velociti 1.6i

Post by The Musical Dr » Wed Apr 04, 2018 12:54 pm

Update: The agent confirmed that the cause of the vibration when the car is idling between 1000 and 2000 RPM is the fly-wheel and that it must be replaced to resolve the issue. I will provide further feedback once I have replaced it.
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Re: Vibration: Velociti 1.6i

Post by Howie-WP » Wed Apr 04, 2018 4:54 pm

Can't it be skimmed and rebalanced? How much for the replacement?
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Re: Vibration: Velociti 1.6i

Post by The Musical Dr » Wed Apr 04, 2018 5:16 pm

I didn’t ask. I also don’t think the agent will support skimming compared to selling a new part. Part is just over R1000 & then there is labour of course.
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Re: Vibration: Velociti 1.6i

Post by Howie-WP » Wed Apr 04, 2018 5:50 pm

The Musical Dr wrote:I didn’t ask. I also don’t think the agent will support skimming compared to selling a new part. Part is just over R1000 & then there is labour of course.
That is not too bad then. Remember, you can tell them what to do. But in this case, new seems the way to go. Make sure you get the old one back...... just in case you need a spare.
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Re: Vibration: Velociti 1.6i

Post by The Musical Dr » Wed Apr 04, 2018 6:26 pm

Thx for your input.
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