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1K views 10 replies 3 participants last post by  brit01 
#1 ·
what does a s2 alfa 33 look like with an s3 spoiler just curious :)
 
#3 ·
hi brit01 yes iv tightened the heads up a little more myself it has stopped the leak a bit but still drop a little

iv changed mechanic and gone to an experianced one who when the 33s first came out he done his apprentiship on
so im happy about that

he tested for spark etc and he said he recons it the timing so tomorow ill be taking fan out with rdiator and belt coversso he can check that out :)
 
#7 ·
In the manual it clearly states which bolts you need to oil for torquing.

This includes the thread and head/washers.

If they are dry the torque setting will not be accurate. It may well be looser than what the torque wrench says, as the threads are not lubricated.
 
#9 ·
ok but you've been messing around with those bolts and with coolant leaks a lot now.

Just being on the safe side (and too avoid any more issues) I would prefer to take out the leaking gasket, clean out the threads and bolts, put a new gasket on (they are not so expensive), clean the surfaces very very well before and torque up properly with a good torque wrench in the correct sequence in 3/4 steps up to 8.9 kgs.
Heat cycle, let it cool down, and then re-torque.

It's all up to you now.
Good luck
 
#10 ·
Definately remove heads again and replace the gaskets. If tis leaking now, it will always leak.

The gaskets are impregnated with an adhesive which is designed to seal the gaskets to the head and block surfaces after heat-cycling. If its leaking coolant, this means coolant is getting between the gasket and head / block, meaning your gaskets will never seal. Not oiling / cleaning your head bolts will mean your torque settings will be lower than accepted and the seal you are creating will be not very good, I suspect causing leaking you are seeing now. If you leave it it may be alright for a while, but soon it will run rough, be un-tunable as far as carbs go, and be down on compression / power.

As Brit01 said, its relatively low cost for 2X new gaskets.
 
#11 · (Edited)
77SudTi hit the nail on the head. 100% agree with him.

Totally digressed from the thread topic here. You should have tried to keep one thread as I mentioned before.

Get yourself a reasonable torque wrench (doesn't need to be top of the range), just a solid 1/2" wrench that goes up to 15 kg-ms min.
Most go up to 20.

A new head gasket, cleaning fluids to clean the surfaces and also something to clean the threads very well.

Take the head off yourself and learn. Do everything to the book and take your time.

I use this to clean threads with lots of WD40 on the end of a cordless drill. Also you see how clean the bolts are and are oiled up ready. Pic of the spotlessly clean head with dry fit of gasket. There are 2 guides on the block which fit into 2 holes on the gasket so there is no chance of getting it wrong. Make sure you still have these guides fitted. They are removable and can be lost!
 
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