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Always use coolant.
Posted: Sun Mar 03, 2019 4:54 pm
by Captainbeaky
I’m repairing a 4.0 Thor in a Disco 2 at the moment.
Owner reported coolant loss and overheating.
So I’m anticipating head gasket or slipped liners.
I find this horrid bit of corrosion....
( and also some slipped liners).
I’m wondering if we can weld it up and fit top hats?
( or willl I gain another funky coffee table )...
Re: Always use coolant.
Posted: Sun Mar 03, 2019 10:46 pm
by stevieturbo
If removing the liner, I dont see why there would be a problem with welding.
Although if fitting liners...surely a decent top hat liner with a larger OD at the top...may remove any need to try and weld anything ?
Cleanliness of the alu would be the only issue with welding that.
Re: Always use coolant.
Posted: Sun Mar 03, 2019 11:29 pm
by unstable load
+1 for Top Hat liners.
Re: Always use coolant.
Posted: Mon Mar 04, 2019 8:27 am
by Captainbeaky
Will definitely convert to liners - whichever block I use.
This block has had a long period of running with bad coolant.
The aluminium in this area is very porous, the damage seems to creep down a lot further than can be seen here.
When I get the block out, I think I’ll find a lot more corrosion on this block as I look deeper.
I happen to have a spare standard cross-bolted block available here so I think I’ll use that one if it passes muster.
I stripped it yesterday, and it looks very good.
M.