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Subaru camshaft issue -- rust -- what do I do


John Mates
 

Hi!

I've been slowing doing a Subaru/Kennedy conversion to my Vanagon
Syncro. I've run into a worrisome problem...

I decided to replace the timing belt and the camshaft oil seals and
the front and rear main seals before running my 1994 Legacy 2.2
engine in the Vanagon. I also obeyed the Subaru manual to check the
hydraulic lift adjusters after replacing the timing belt, etc. So
I did ...

ALL the adjusters had air in them. Every last one of them (16). So
I learned how to get the air out. But, in the process I noticed two
unpleasant things about my right side camshaft. One of the lobes was
"pitted" slightly, right at the peak (minimum radius of curvature).
I decided that short of replacing the camshaft, there was nothing I
could do about this. The second issue was that there was RUST on all
of the cam surfaces. I used a brass brush and all of it came off
pretty nicely, EXCEPT from one lobe. This lobe remains scratchy and
bumpy to a fingernail rubbed across it...

I reassembled everything, but now I wonder if I shouldn't open up
the valve cover on the right side again and rub that lobe with some
fine emery cloth or something to at least make it smooth.

To replace the camshaft and this animal, you must remove the whole
head. I don't want to do that.

Please send me your best advice, even if it will be hard for me to
hear!

John
jmates@...

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