c20xe compression test results - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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spankyjames

Member

Registered: 26th Jun 06
Location: Corsham, Wiltshire
User status: Offline

30th Jul 09 at 13:28

did a compression test on my car and got these results:

cyl 1/ 80psi
cyl 2/ 70psi
cyl 3/ 70psi
cyl 4/ 110psi

there very low on compression
what do people think is wrong with the car headgasket?

Davidkent

Member

Registered: 2nd Nov 08
Location: Warminster, Wiltshire
User status: Offline

30th Jul 09 at 13:31

Could be headgasket.
I've known these Skip a tooth on the cambelt and bend valves too...

One of my mates put his cambelt back right and started up and drove on no problem...

spankyjames

Member

Registered: 26th Jun 06
Location: Corsham, Wiltshire
User status: Offline

31st Jul 09 at 08:38

.....

Terry12

Member

Registered: 24th Sep 07
Location: Manchester
User status: Offline

31st Jul 09 at 12:21

Was that dry or wet?
Either way those figures are low. Think mine was around the 140psi mark on all 4 cylinders.
Anything more than a 10% difference on 1 or more cylinder is bad news.
Definitely head off time and inspect. Take the head for a pressure test and skim.

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