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Author Subject: Piston rings dead - cost?
zac

Seasoned Pro

Location: Leeds city centre

Registered: 26 Dec 2005

Posts: 2,627

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Post #1
Not on my car, but on my mrs' Puma 1.7 16v.

Changing her spark plugs today to find the plug from cylinder 1 covered in oil. The car drives too well for the piston to be damaged, so it's either going to be the piston rings, or oil's possibly coming in through the top via the valve guides.

How much would this cost to be sorted at a garage? It's down on power but still drives fine and she doesn't take it over 4000rpm, so it's not posing any immediate problem. I'm thinking if it'll cost >

________________________________________

Hit the limiter in 6th gear at 169mph (GPS - TomTom on the German autobahn). Still pulling like a train too. Cheers

- Phase 3 GTi-6 (409hp 'charged weekend toy)
- Phase 2.5 Rallye (daily driver)

R.I.P Pete Sims
Posted 6th Sep 2009 at 03:18
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roland rat

Yeeeah Rat fans!

Location: Swansea

Registered: 29 Nov 2006

Posts: 22,282

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Post #2
Id say your looking at
Posted 6th Sep 2009 at 03:27
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Rich E Forum Admin

Location: Hertfordshire

Registered: 27 Apr 2005

Posts: 7,757

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Post #3
Do you get a noticeable puff of blue smoke on start-up? It will most likely be valve stem seals if you do and piston rings if you don't.

________________________________________

Rich
Posted 6th Sep 2009 at 05:28
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zac

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Location: Leeds city centre

Registered: 26 Dec 2005

Posts: 2,627

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Post #4
No, no smoke at Rich. No

________________________________________

Hit the limiter in 6th gear at 169mph (GPS - TomTom on the German autobahn). Still pulling like a train too. Cheers

- Phase 3 GTi-6 (409hp 'charged weekend toy)
- Phase 2.5 Rallye (daily driver)

R.I.P Pete Sims
Posted 6th Sep 2009 at 06:00
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phillipm

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Location: Rotherham

Registered: 15 Oct 2006

Posts: 20,607

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Post #5
Any smoke if you leave it idling for ages?

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Posted 6th Sep 2009 at 06:33
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zac

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Location: Leeds city centre

Registered: 26 Dec 2005

Posts: 2,627

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Post #6
None at all. And it doesn't eat oil either.

Maybe the cam cover gasket? Suppose it's worth a punt before ripping the engine out. Laugh

________________________________________

Hit the limiter in 6th gear at 169mph (GPS - TomTom on the German autobahn). Still pulling like a train too. Cheers

- Phase 3 GTi-6 (409hp 'charged weekend toy)
- Phase 2.5 Rallye (daily driver)

R.I.P Pete Sims
Posted 6th Sep 2009 at 06:37
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phillipm

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Location: Rotherham

Registered: 15 Oct 2006

Posts: 20,607

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Post #7
Doubt it, you may be lucky and it could be a ring sticking due to carbon deposits, in which case the old italian tune up - full throttle, no throttle, ad infintum, may sort it.
Failing that if I can find a wee bottle somewhere I'll sent you some nitro-meth to try, that normal free's up anything that's thinking about sticking.

________________________________________

- Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM me
Email me!
Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces.
Posted 6th Sep 2009 at 06:45
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zac

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Location: Leeds city centre

Registered: 26 Dec 2005

Posts: 2,627

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Post #8
Nice one Phil, thanks.

I suppose an engine flush wouldn't quite have the same effect? Whistle

________________________________________

Hit the limiter in 6th gear at 169mph (GPS - TomTom on the German autobahn). Still pulling like a train too. Cheers

- Phase 3 GTi-6 (409hp 'charged weekend toy)
- Phase 2.5 Rallye (daily driver)

R.I.P Pete Sims
Posted 6th Sep 2009 at 17:41
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phillipm

Seasoned Pro

Location: Rotherham

Registered: 15 Oct 2006

Posts: 20,607

Status: Offline
Post #9
Might do if you cross your fingers and pray. LOL

________________________________________

- Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM me
Email me!
Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces.
Posted 6th Sep 2009 at 17:49
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chas

Seasoned Pro

Location: Warwickshire

Registered: 31 Oct 2007

Posts: 1,468

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Post #10
zac wrote:
Not on my car, but on my mrs' Puma 1.7 16v.

Changing her spark plugs today to find the plug from cylinder 1 covered in oil. The car drives too well for the piston to be damaged, so it's either going to be the piston rings, or oil's possibly coming in through the top via the valve guides.

How much would this cost to be sorted at a garage? It's down on power but still drives fine and she doesn't take it over 4000rpm, so it's not posing any immediate problem. I'm thinking if it'll cost >

________________________________________

Ex Owner of 2000 Phase 3 306 GTi 6 China Blue - You shall be missed

1974 Triumph Stag
1989 Peugeot 205 GTi 1.6
2003 Alfa Romeo 147 JTD Lusso
2005 Mondeo Ghia X 3.0 Estate LPG
Posted 6th Sep 2009 at 18:46
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zac

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Location: Leeds city centre

Registered: 26 Dec 2005

Posts: 2,627

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Post #11
The engine sounds good; certainly no worrying noises.

________________________________________

Hit the limiter in 6th gear at 169mph (GPS - TomTom on the German autobahn). Still pulling like a train too. Cheers

- Phase 3 GTi-6 (409hp 'charged weekend toy)
- Phase 2.5 Rallye (daily driver)

R.I.P Pete Sims
Posted 6th Sep 2009 at 18:47
Profile
phillipm

Seasoned Pro

Location: Rotherham

Registered: 15 Oct 2006

Posts: 20,607

Status: Offline
Post #12
chas wrote:

phillipm wrote:
Any smoke if you leave it idling for ages?


I am assuming that this means guides gone? My mate's S12 does this, and we put it down to being the turbo (also puffs smoke on the overrun.)


Usually.

________________________________________

- Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM me
Email me!
Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces.
Posted 6th Sep 2009 at 18:49
Profile
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