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Author Topic: Piston Rings (white smoke)  (Read 8513 times)

Offline bondbill2k2

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Piston Rings (white smoke)
« on: 30 June 2009, 22:57 »
Ive noticed my mk4 has been leaving clouds of white smoke sometimes, not all the time. Only had it happen when warm

When does it happen? Well thats the problem, random, not had it when ive put my  foot down, had it when downshifting (on a hill, not using engine braking)

and when just changing a gear before or accelrating abit.

My mate also noticed/heared a sound when it happened last, sounded much like the exhaust so its got me thinking something to do with the box or cat?

 :cry:
« Last Edit: 02 July 2009, 10:53 by bondbill2k2 »
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Offline richw911

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Re: White smoke from exhaust
« Reply #1 on: 30 June 2009, 23:51 »
Quote from: bondbill2k2 on 30 June 2009, 22:57
Ive noticed my mk4 has been leaving clouds of white smoke sometimes, not all the time. Only had it happen when warm

When does it happen? Well thats the problem, random, not had it when ive put my  foot down, had it when downshifting (on a hill, not using engine braking)

and when just changing a gear before or accelrating abit.

My mate also noticed/heared a sound when it happened last, sounded much like the exhaust so its got me thinking something to do with the box or cat?



Could be a number of things which engine do you have?

Could be head gasket or a valve  :undecided:
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Offline bondbill2k2

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Re: White smoke from exhaust
« Reply #2 on: 30 June 2009, 23:55 »
Its a 1.4. Worst fears are something expensive  :undecided:
Could explain why previous owner was selling it.
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Offline richw911

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Re: White smoke from exhaust
« Reply #3 on: 30 June 2009, 23:58 »
Quote from: bondbill2k2 on 30 June 2009, 23:55
Its a 1.4. Worst fears are something expensive  :undecided:
Could explain why previous owner was selling it.

I would say head gasket - get the head pressure tested IMO.

http://www.benplace.com/pressure_test.htm
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Offline bondbill2k2

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Re: White smoke from exhaust
« Reply #4 on: 01 July 2009, 00:06 »
It only does it rarely, my dad followed me back from collecting it (80mile trip) and did it once or twice whole journey.
Still worth checking out?
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Offline richw911

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Re: White smoke from exhaust
« Reply #5 on: 01 July 2009, 00:08 »
Quote from: bondbill2k2 on 01 July 2009, 00:06
It only does it rarely, my dad followed me back from collecting it (80mile trip) and did it once or twice whole journey.
Still worth checking out?

Yeah for sure good garage wont charge a lot - also have a look to see if you coolant is going down  :smiley:
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Offline james2

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Re: White smoke from exhaust
« Reply #6 on: 01 July 2009, 08:29 »
head gasket :wink:
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Offline bondbill2k2

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Re: White smoke from exhaust
« Reply #7 on: 01 July 2009, 09:14 »
bet that wil be costing me my arm and a leg.
Going to call and take it to Vw rescue get them to do VAG diagnostics and a check over, get to bottom of it and find if anything else needs doing.

http://www.vwrescue.co.uk/index.php
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Offline AlanD

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Re: White smoke from exhaust
« Reply #8 on: 01 July 2009, 09:54 »
If it is the headgasket it wont be cheap.

But lets not jump to conclusions just yet.
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Offline linz

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Re: White smoke from exhaust
« Reply #9 on: 01 July 2009, 10:18 »
could also be down to coilpacks
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