ChrisBoom
Member
Registered: 6th Dec 06
Location: Highland
User status: Offline
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Took the head off the car today, rocker gasket leakage and fucked valve stem seals have caused a fair build-up of shit on two of the pistons. Whats best to clean them, petrol? And should I clean the pistons when they are in the block?
[Edited on 18-08-2010 by ChrisBoom]
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lil_rob666
Member
Registered: 27th Nov 09
Location: Watford
User status: Offline
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wire brush!! alot of swearing and some bg44k when the car is running agen!!
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Haimsey
Premium Member
Registered: 8th May 05
Location: Nottingham Drives: Corsa B
User status: Offline
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I used carb cleaner on mine to clear the carbon, was bit expensive looking back but worked a treat!
Marcy Marc 
White Sport Progress Thread
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Limecat
Banned
Registered: 25th Jun 05
Location: The Internet
User status: Offline
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quote:
Originally posted by ChrisBoom
Took the head off the car today, rocker gasket leakage and fucked valve stem seals have caused a fair build-up of shit on two of the pistons. Whats best to clean them, petrol? And should I clean the pistons when they are in the block?
[Edited on 18-08-2010 by ChrisBoom]
Do NOT clean them in the block, the particles will drop into the P2B clearances and enhance wear.
Take the sump off, undo the rod bolts and take the pistons out. Re-ring, measure the bores and if suitable re-fit. Clean with a medium 400's grade wet and dry.
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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Just put two pistons to TDC and stuff rags down the other two. Clean with a wire brush, wipe down with a rag then squirt a little oil in the bore and turn the engine by hand - any shite that's fallen down gets pushed up above the level of the head and can be wiped away with ease.
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ecclesturbo
Member
Registered: 6th Jan 08
Location: staffordshire
User status: Offline
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I use a bench polisher/buffer for mine come out lookin new
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