NinetySix

Hi

the ED is going thru a fair bit of water now and i can see it leaking down the RHS of the block around cylinder 2... can also hear it hissing for a while after the engine is shut off

i think its time to do the head gasket.... had a pretty good run out of the stocker tho, 372,000km.. must be a record


anyway, does anybody know what the torque settings for bolting the head back on are? or better yet... anybody got a PDF service manual?


thanks

smally351

First step 40 newton metres, second step another 90 degrees.
Use new bolts.

NinetySix

yeah thats the plan, who knows might have one broken any way

thanks

EVILROO

quite common for ohc series engines to leak coolant down side of rhs block,
head torque is 40nm then 90 deg, which turns out to be 104nm. may i suggest that you replace the welsh plugs down that side of the block while you have the exhaust manifold removed. most important that when you lift off the head to lift the front of head vertically as that visible timing chain guide can be very brittle after a few kms. if it happens to be broken there are 2 ways to rectify it. 1, remove timing case cover (can be difficult in car) or 2, araldite back in place as top part of guide is held in place by that funny looking 10mm bolt..

NinetySix

do you need to let it sit for a while between 40nm and the further 90 degrees?


thanx

EVILROO

make sure also that when ordering replacement gaskets that you obtain production date as ed falcons had production change halfway thru life cycle, easiest way to tell is by looking at front of head, looking at half moon cut out, if rocker cover is straight across top that half moon its an early head, alternatly if half moon is moulded into rocker cover and rocker cover takes up the void its a late model (ef type) head.

EVILROO

not required to let "sit". do your 40nm then do your 90deg. when i do them i after doing the 90 deg i just set the torque wrench to 100nm an go over all the head bolts to make sure all good. must use new bolts as they are "torque-to-yield" meaning that they have a certain amount of "stretch" built into them. if you are lifting head off single handedly remove valve gear and camshaft as this makes it a whole lot nicer on your back. when replacing cam and valve gear, valve gear retaining bolts are 25nm

jas24zzk

Also,
i highly recomend you spend the money on a Deep 6 point Impact socket to do the job.

A decent breaker bar and a huge length of pipe to go over it...these suckers are TIGHT!

Unless you have a selection of extensions, the deep impact is a must.

Jas

NinetySix

will check it out, thanx