[T3] Head replacement

[Jim Adney]

On 4 Sep 2023 at 22:04, TOM MITORAJ wrote:

> > Hello Jim, I am ready to reinstall heads. Any tips? Do I use any rtv
> > type gasket material to seal for oil leaks, head bolts, lifter tubes,
> > gaskets etc. I want to get it right! Thanks again. Tom 
> 
> VW recommends no longer using the paper gaskets between the jugs and the
> case. Use silicone sealant or some other hi temp gasket compound instead. 
> 
> Nothing else you mentioned requires any kind of sealant. Make sure the
> pushrod tubes get installed with their seams upward. I reuse the seals as
> long as they are still flexible. I find the head end seals get hot, hence
> hard. The case ends stay soft. My test for rubber seals is to squeeze them
> together; if they crack or break, they're bad.
> 
> Make sure to torque the head stud nuts carefully. If you have the original
> 10 mm studs, use the brown Bentley for torque sequence and amount. If you
> have a new or converted case w/8 mm studs, you need a smaller torque, not
> listed in the brown Bentley (but available in the Beetle Bentley.) I can
> get that for you if you need it.  I build up slowly, working one side then
> the other, then come back the next day and do an extra pound-ft.
> 
> Note that the bolts for the oil cooler go threads UP, so the nuts are on
> top. Meaning that you need to put these bolts in place before the LHS
> jugs. I stick them in place, then wrap a piece of tape around the shanks
> to hold them out of the way until I'm ready to install the cooler.
> 
> The air deflection plates that you mentioned earlier need to be installed
> while you're doing this, since they go above the pushrod tubes. Bend their
> "latching" fingers so they will be tight when installed. They should end
> up close to the fins on the jugs.
> 
> To hold the pushrod tubes and keep them from falling, stick a pushrod thru
> the head/pushrod/case while you're getting everything in order. You'll
> still have to lift each one into final position, but it's nice to know
> that they won't fall far if they slip loose early in the process.

-- 
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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