[Cloud9...68]

Paulzebo,

 

Do you think that if the bushing weren't pressed forward to where it's extending 0.011" beyound the face of the arm, the circlip would fit in its groove if the two thin washers were in place?  It looks like it might from your pictures, but I can't tell for sure.  Thanks.

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[Waylander]

Hi

 

yes its the full version of PET with part search and all the V pages, and add on's

 

it has the very latest updates, last one was last week for parts, and Dec 5th for Prices

 

 

some times PET can be a bit hard to follow as it makes no sense, as in the bearing pin

 

having looked through the entire parts listings for the engine, this is the only part that has a before and after date on it

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[paulzebo]

Per the PET, there are also two tension pins. Presumably one for the old designed arm and one for the newer one. The pin in the photos is the latest 944-105-170-05. I've ordered some spacers from Gaudin Porsche in Vegas and will see how the newer pin fits with the older arm.

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[paulzebo]

Received the necessary parts and came to the conclusion that the only way you can use the old style arm with a new pin is without the o-rings. They just won't compress because the bushing shoulder is a sharp 90 degrees. I don't think those engines with the old style non o-ring shaft are necessarily disadvantaged as they have survived this long without them. That being said I just had to see if the old arm could be modified to accept the o-rings. I took a small round file and filed a radius to allow the o-rings to compress on the shaft

 

   

 

Success! They make a tight fit tighter but you can get the c-clip/washers on.

 

   

 

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[Waylander]

I am revisiting this thread as a couple of UK fellas are having issues with getting the belt to run in the correct place on the cam pulleys and of course all the rest,

 

the issue seems to be that the belt is running a bit further back on the cam pulley from the front edge, he sent me a picture, and it looks like from the wear marks that the belt used to run about 2.5mm from the front edge, now it appears to be running about 6mm from the front edge

 

He has not sent me a picture but says the belt is so close to the numbers on the front of the waterpump its almost polishing them up.

 

So if there are any educated ideas as to why this is happenng, please enlighten me,

 

the Pin and the arm have not been replaced, only the O rings

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