Water In The Oil.
#1
Posted 02 January 2017 - 08:45 PM
New to the forum, just looking for advice, experience of other users.
I have a 1293cc A series fitted to my 1989 metro. Took the head off today and found the gasket had gone slightly around the water gallery that sits in the middle of pistons 2&3
Inside the rocker cover the mayonnaise colour of oil also the catch tank was full of the same
Has this been caused by the head gasket or do I have another underlying issue ?
Also any tips for flushing the engine or is it an engine out job
#2
Posted 02 January 2017 - 08:51 PM
Mayo in the rocker and catch tank can often be due to little use and short trips.
#3
Posted 02 January 2017 - 08:52 PM
It maybe from a head gasket failure or could also be from low mileage runs and the oil not getting hot enough. Also, sounds like the crankcase ventilation system may not be connected up the right way.
#4
Posted 02 January 2017 - 09:36 PM
What is the oil like on the dip stick?
Mayo in the rocker and catch tank can often be due to little use and short trips.
Oil on the dip stick was good
#5
Posted 02 January 2017 - 09:39 PM
It maybe from a head gasket failure or could also be from low mileage runs and the oil not getting hot enough. Also, sounds like the crankcase ventilation system may not be connected up the right way.
The catch can was plumbed up to the breather on the crank case and also to front of the engine. Got any pointers on the correct way this should be plumbed.
I just got the car today so this was done by previous owner.
I also noticed pistons 1&2 have the writing facing me and 3&4 have the writing facing away.
#6
Posted 02 January 2017 - 11:01 PM
The piston markings are unlikely to be an issue.
The breather(s) should be plumbed to a pipe on the carb, near the throttle.
Burning petrol creates steam and some will blow by the pistons. The ventilation is designed to draw air in through the oil filler cap as fumes are sucked out of the crank case. Only an out & out race engine that's running at full throttle on the edge of detonation will benefit from not recirculating the blow by through the engine.
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