head gasket
22 January 2010, 04:29 PM
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Last edited by R1CH D; 22 January 2010 at 04:31 PM.
22 January 2010, 05:55 PM
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Yes mate. As the engine runs and the pistons compress the air/fuel mix, some pressure escapes via the gap in the head gasket into the cooling system, pressurising it and making the pipes hard (as they are under increased pressure).
Bad news tho Rich
Bad news tho Rich
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22 January 2010, 07:07 PM
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Bugger Rich !!!!!!!!!!! another sign depending on which bits of the gasket have been compromised is oil in the coolant, can you see any ? also there's a test kit you can get which tests for gasket failure ??
another sign depending on which bits of the gasket have been compromised is oil in the coolant, can you see any ? also there's a test kit you can get which tests for gasket failure ??
22 January 2010, 07:11 PM
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It'll have to wait till I get back off hols, going sunday so it can sit outside the house for a week
23 January 2010, 01:21 AM
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if you can get it down to me before you go i can do a pressure test and a "sniffer test" and can lock the car in the garage for the time your away only prob is getting it to me an my recovery truck is in the process of being beavertailed
23 January 2010, 12:18 PM
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that must be well tight to do in the car i would have thought the head bolts would have caught on the chassis rails on the sides
23 January 2010, 04:56 PM
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Thanks guysa nd thanks nws for the offer, only just reading your posts. Had a sniffer test done today and he said all was o.k but I got a leaky injector so that may be why it felt different when hot???? And he said not to worry about a small amount of white in the filler cap
23 January 2010, 05:06 PM
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Only just read this. Impreza's are known to leave a little bit of white junk in the filler if it's very cold due to the way they breath. Had a tiny bit in mine, which worried me, I confirmed this with the engine builder.
i think mine was partly down to having a metal filler cap which seemed to condinsate moisture and having the engine breathers vented to Air/catch can
i think mine was partly down to having a metal filler cap which seemed to condinsate moisture and having the engine breathers vented to Air/catch can
24 January 2010, 11:56 AM
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it is a regular prob on some cars that dont get fully warmed up 
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