Taking off heat exchangers on a six, where to get the long hex tools? Options

[olav]

I need to take off my heat exchangers to get to my valve covers to change the gasket because it seems to be leaking.

Where does one get the long Allen head tool that fits into the heat exchanger canals to remove the exhaust bolt nuts?

Also, are they 10mm or what?

Thanks.


(IMG:http://www.914world.com/bbs2/html/emoticons/smash.gif)

[ArtechnikA]

they are 8mm. i have the overpriced specialty tool, only partly because i think it will transmit the vibration better when it is used with an impact wrench set low.

before you begin, you should ask yourself if you are *sure* you need to remove the HE's just to get at the VC gasket, because you shouldn't *have to*. (it's easier, but it is borderline possible to do a valve adjustment with the HE's in place, and you're not even doing that, just replacing the gasket.

VC leaks are often caused by overtightening and subsequent warping of the cover. you can use the 'Turbo' lower covers, but you will have to remove (mill, file, sand...) some off the top of the ribs or you won't be able to get them in over the studs.

if you're determined to procede, be aware that you should replace the exhaust port gaskets, probably some of the nuts, and there's a real good chance you'll break or strip one or more of the port studs in the process and have to deal with that.