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Old 05-15-2014, 01:12 AM   #1
NFJ79
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Default Minor chip on plastic cam gear with pictures

Doing the timing belt while i have the engine out. Using the Subaru Special Tool I manage to chip the plastic cam gears. What do you guys thing? Am I safe to run them?

Two gears have minor chips on the inside where the ST grabs the gear.



Other one is a minor chip on the rim of the gear.
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Old 05-15-2014, 07:44 AM   #2
Shiftace420
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3/8" drive impact, use your hand with glove to hold the gear.

You could run them but your taking a risk of the gear being cracked and then flying apart someday. They don't look all that busted up but you can't tell for sure from a pic on the net. I personally would look for some new ones or good used ones. There is alot riding on that gear.
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Old 05-15-2014, 10:45 AM   #3
misfitsfreak81
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You should be fine running those gears. The only chip that may be of concern is the one near wear the belt rides. If there's no sharp edge there you should be fine. However, if you're not comfortable with it, replace them.

Mike
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Old 05-15-2014, 11:36 AM   #4
Bacon117
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That tool is such a POS on those gears. I did the exact same thing doing my belt. I didn't worry about it, b/c the belt doesn't touch it. Been good for almost 100k now.
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Old 05-15-2014, 12:12 PM   #5
BBarnes1
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I'd do a thorough visual inspection. If I didn't find anything, I'd forget about it.
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Old 05-18-2014, 05:57 PM   #6
NFJ79
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Thanks for the help guys.

I talked to a friend of mine who is a mechanic at my local Subaru Dealership and showed him the pictures. He says there's no harm in running them. Chipping around the star key happens when using the ST and to run them if its just minor chipping.
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Old 05-19-2014, 04:28 AM   #7
Rymaster
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Yeah I just did this and I didn't even bother getting the tool, I just vice gripped my old belt around them and some pullies and took them off that way.
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