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Head gasket testing

Dieselman

Banned
Joined
Jul 13, 2003
Messages
34,199
Car
Peugeot 403 Convertible
For anyone that thinks their car head gasket might be faulty, a sniff test with a 4 gas analyser should detect combustion gas in the coolant but if you don't have access to one then a block test will give a pretty definitive result.

I tested a cooling system today on one of my cars I've just acquired, which is suspected as having a head gasket blown.

The blue liquid turned pretty green and there were lots of bubbles, so it's conclusive the gasket has gone.
This is a diesel car, a petrol engine makes the liquid turn yellow as it contains more CO2.

Bizzarely, this car was taken off the road seven years ago for this fault, after having a brand new radiator fitted by a garage to see if that was the reason for the overheating.


CobaltXMblocktest.jpg
 
Great bits of kit and has saved my bacon on more than one occasion....purchased mine from PartCo
 

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