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1G timing belt question/fluidampr questions

91mits

Proven Member
161
2
Nov 29, 2010
Dallas, Texas
ok so someone did my timing belt n i noticed its rubbing somewhere and the belts like all the way to the engine side , runs good, my idler pulley looks weird, i have a pic of it, also why would my fluidampr be rubbing against the timing cover? is there a washer between the dampr and crank sprocket that i forgot about? pics are below
 

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Vegas Smith

20+ Year Contributor
5,035
2,906
Dec 2, 2002
Houston, Texas
You may not find someone with a pic, but mine touched pretty much everywhere in a circle all the way up to the timing marks on the left. I had to remove that whole area below that.
 

99gst_racer

Moderator
11,948
1,385
Apr 5, 2003
Coloma, Michigan
You may not find someone with a pic, but mine touched pretty much everywhere in a circle all the way up to the timing marks on the left. I had to remove that whole area below that.
So you basically have to cut a giant 7" circle around the entire damper?
 

talon77

15+ Year Contributor
244
93
Sep 12, 2004
annapolis, Maryland
Basically yes. I trimmed it twice and it still rubbed so I said f*** it and just took a ton off. not saying you should but that's what I did. It was for sure rubbing the raised ribs on the cover.
I recently filed my 6-bolt lower tb cover down to clear my Fluidamper. It broke my heart to do this to a fresh new oem part, but it had to be done. I basically had to file it totally flush and completely eliminated the rib protrusion to avoid the rubbing.

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DSMPT

DSM Wiseman
2,176
1,760
Jun 12, 2014
Japan / Mexico, Arizona
I have been wondering about this rubbing issue, because I have two fluidamprs but somehow they don't rub at all on my 1g. There should be some reason why not rubbing in my case. I could be wrong but my guess for now is the design difference between the black and the gray timing cover. Maybe the black cover has a lower rib? My 1g has the black timing cover. I have a new gray cover, too. I should compare when I have time.
 

DSMPT

DSM Wiseman
2,176
1,760
Jun 12, 2014
Japan / Mexico, Arizona
This is why the Fluidampr rubbing issue doesn't happen on everyone. The both black and gray cover show the same part number on back. (I have one more 6 bolt cover from a different car w/ a different part number and that doesn't have the rib neither) I could be wrong but I guess all the 6 bolt gray cover has the rib and the black cover has two versions with and without the rib.
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Last edited:

19Eclipse90

DSM Wiseman
5,277
1,145
Sep 29, 2003
OKC, Oklahoma
And here's evidence that it isn't all gray covers. It would appear that Mitsubishi revised the design at some point, adding the rib, and Fluidamper didn't get the memo.

All that can be said, Fluidamper users beware, modifications may be necessary.

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