[Vwdiesel] NA exhaust valves for a TD head?
LBaird119 at aol.com
LBaird119 at aol.com
Thu Apr 7 00:46:23 EDT 2005
Talking about those bearings on the intermediate shaft ? ---I do NOT like
the looks.
Check things out real good to find out what went wrong.
They're old, PERIOD! It's not only a common occurance it's why
replacing those bearings on a rebuild is MANDATORY. Probably
something to do with being a circular bearing and thermal expansion
and contraction cycles. Regardless, after a couple hundred thousand
miles most of them look like this. Of course that's generally after about
15 to 20 years too so it's just as likely that time is a factor also.
>
> The way I remember it , the exhaust valve in the TDs are a special alloy and
> coated.
> NOT like NA valves.
> So at least get the turbo valves --non sodium.
>
I recall them being coated but not any special alloy. Thing is when I
put together the NEW head for Dad's pu, there were NO listings for
a TD exhaust valve. Only the INTAKES were listed as NA or TD.
Couldn't see anything really special with them.
Loren
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