Vehicle & Technical > Discovery

can anyone help recondition my disco engine?

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Rossko:
Might be a silly question, but what makes you think the engine is still seized? What actually happens?   Replacing pushrods is unusual for a seizure, did it break the cam chain?

jay2578:
the guy who was supposed to be fixing it said its still seized, i am gonna try firng it up tomorrow to see what happens

bogie:
Where did push rods come in to this????????  If the guy stripped and rebuilt it after it seized before and it has done it again,it seems unlikely something could have come adrifted again,so con rod is the first thing that comes to mind. A engine will sometimes run with a bent con rod but sound like [!Expletive Deleted!],a push rod would just bend and sound like [!Expletive Deleted!] but very douteful it would seize the lump? just take the rocker off to check that one!

jay2578:
dunno if he unseized it or its still seized, he said he freed it up, but i dont trust him. so i need to do some exploratory work and see what i find. i have to admit im a bt of a simpleton when it comes to the engine, so, how do i get to the rocker cover?? also, he didnt rebuild it he says he done pushrods and big end shells and new oil pump

Range Rover Blues:
If the engine seized then I'd be looking at the pistons and cylinders, not the crank.  If it's overheated say then the piston could have been damaged and stuck tot he cylinder wall, or deformed so it no longer fits.

You cannot check them without taking off the head and sump, unbolting the mains and sliding them out.

If the mains have been done I can't imagine no-one checked whether or not the engine turned.

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