shims, spacers and other belt removal issues
New to 964 ownership and a few days ago one of the fan/alt belts broke, PO had assured me all belts had been changed. Finally all the parts arrived and I set about fixing the belts on the car, managed to undo the 24mm nut - no problem. came to remove the next bit (spacer?) seems as if it was welded to the alternator shaft along with a couple of mangled shims. Got the spacer and pulley halves off only to be faced with the next, almost welded on spacer. Anyone got any Ideas as to why they are stuck on, and any tips on how to remove. Also is the second inner spacer/shim on the right way round?
RESOLVED - thanks to everyone for the advice. I managed to smooth out the shaft and slightly enlarge the new spacers and shims to fit. Needed to cut down two of the fan pulley bolts as they were stopping the Alt pulley seat properly, used 3 shims on the fan and 3 on the alternator. All went back together and seems to run okay. LESSON LEARNT - when the PO tells you they have just renewed/ changed/ mended something, be sure to check what they have done very carefully. I am now paranoid and will be going over the car to see if any other "fixes" need sorting out. https://cimg9.ibsrv.net/gimg/rennlis...8de4689938.jpg first stuck spacer and mangled shims https://cimg0.ibsrv.net/gimg/rennlis...beb7995757.jpg next bit of stuck spacer, is this the correct way round? |
Yes, the spacer is facing the correct direction. The wide part should support the back of the pulley half. This placement of the shims varies depending on how many are needed to get the belts tight. This is the default sequence and count. I normally end up with 3 shims under the alternator belt.
by the way, I would order a new set of shims. Yours are really mangled and you won't get the right shimming action from those. https://rennlist.com/forums/964-foru...ley-shims.html |
Originally Posted by Rocket Rob
(Post 14724120)
Yes, the spacer is facing the correct direction. The wide part should support the back of the pulley half. This placement of the shims varies depending on how many are needed to get the belts tight. This is the default sequence and count. I normally end up with 3 shims under the alternator belt.
by the way, I would order a new set of shims. Yours are really mangled and you won't get the right shimming action from those. https://rennlist.com/forums/964-foru...ley-shims.html |
The pulley closest to the alternator drives the fan, the second pulley drives the alternator. If you have AC, you have a third pulley (furthest away).
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Okay, so the fan belt has the sensor.
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Originally Posted by 5hrine
(Post 14724324)
Okay, so the fan belt has the sensor.
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Thanks. I will check out the stud too. Just waiting for the parts to arrive. Got a battery drain to keep me busy in the mean time....and a water leak...and....
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Originally Posted by HalV
(Post 14728605)
Correct! Also, make sure the studs for the fan belt are screwed in enough so they don't interfere with the spacer or the alternator pulley half. When I look at your second picture, the stud on the lower right looks like it could be out too far.
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Good to hear. Did you find the source of that water leak yet? ; -)
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Originally Posted by rkwfxd
(Post 14749274)
Good to hear. Did you find the source of that water leak yet? ; -)
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