Sal 965

Hi,

The search seems to be playing up again for me so can anyone give me links or help on how best to remove the heat exchangers as i need access to remove and replace an oil pipe.

I've tried already tonight but i think my choice of tools wasn't extensive enough.

Colin 90 C2

you will need a long allen wrench, I can't remember the size, maybe 5mm and I usually use a jointed 13mm socket and various extensions.

Rocket Rob

+1 on the long allen wrench. I purchased mine from SnapOn. (no affiliations).

P/N : FAML8E
Desc : Socket Driver, Metric, Hex, Extra Long, 8 mm
Price : $20.80/each

http://buy1.snapon.com/catalog/item....group_ID=11478

jevvy964

Here is my efforts - I decided to cut the HE's off as I had replacements and this would give me better access to the nuts and barrel nuts. Most of the nuts came off with some very careful tighten/loosen wiggles and lots of penetrating oil but 3 of the studs also came out which needed replacing, dont forget the thread lock. I also did some oil lines and seals while I was in there - doesn't leak a drop now!










Just back from a trip to Le Mans bugatti track day:

pete000

Wow, thats one way of doing it I guess !

Sal 965

Without sounding too stupid does this socket have a 12mm opening on the end for the heat exchanger bolt and you just wrench an 8mm socket on to the top?

crg53

Steve, here are some pictures of what you need, it is a 3/8" drive universal 13m/m socket and in my case also a 12m/m, cause I had both types of nuts holding the HE in place, you also need a 3/8" drive 8m/m allen, that is used to undo the allen head nuts through the access holes in the HE, and of cause a 3/8" drive extension. It is a fairly easy job, just take your time and you should have no problems.

Rocket Rob

Steve,

In my case, the heat exchangers are held on with a combination of 13mm nuts (standard hex) and specialized nuts with 8mm allen sockets. You use the extra long allen wrench to reach thru the heat exchanger to lossen/tighten. There are access holes in the heat exchanger specifically for this. The other nuts, you need a short 13mm socket with a swivel like seen above.

Sal 965

I'm fairly sure on mine there is the same 13mm hex head nuts through the holes in the exchanger which is where i was getting confused.

boxsey911

Steve, according to PET, a turbo heat exchanger (which is different to a normal 964 heat exchanger) only has hex nuts.

crg53

Steve, that would be close to impossible to get those nuts in place, but I guess one could slide a socket with the nut already in it, on top of the HE and then stick the extention up through the hole into the socket and do it that way, my question would be, WHY would anybody go through all that trouble?

GoKart

I believe I have oil dripping onto the right side heat exchanger on my 964 C2.

How do I fix that?

Remove the HE and replace what?

Looking for some tips on what parts to order before I go pulling it apart.

Thanks!!

cjoenck

On the passenger side, you could have oil dripping after an oil filter change when you may have spilled a little oil. You could also have power steering fluid dripping from a leaking hose above. Worst case, you have a leaking cylinder head.

GoKart

I believe it’s engine oil. Valve cover gasket is recently new. Oil filter has been clean so far. Where would the head be leaking from if that is the issue?