1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Whats that sound?

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Old 08-17-04, 05:08 PM
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Whats that sound?

I just repleced my loud, rusted, hole ridden exhaust with a racing beat system. (damn i love it). It sounds greats, and runs well. However, being a lot quieter has made me hear a lot of other sounds that were previously muffeled by by loud exhaust. The only one thats really getting to me is a grinding sound that i hear when i coast while its in gear. It feels like something is griding and when i press the clutch, the sound goes away. Anyone have any ideas? All fuilds tranny/diff have been changed recently. I just need a plan of attack to schedule what to do on my next day off to fix this.

Thanks,
Billy
Old 08-17-04, 05:29 PM
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Sounds like the pilot bearing if it quits when you disengage the clutch.
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Old 08-17-04, 06:31 PM
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Thing is, it seems to vary with which gear im in. Almost none existant in 4th and 5th.
Old 08-17-04, 07:02 PM
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http://www.mazdatrix.com/g2.htm
Old 08-17-04, 07:38 PM
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cdrad51, you rock
Old 08-17-04, 07:40 PM
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sounds like the same exact issue i have...

if i accelerate in 1st then take my foot off the accelerator you hear it...same in 2nd and 3rd...4th and 5th i don't hear it.

i've changed the fluid with no success to the grind...i did buy a used gsl-se tranny that will be swapped in sometime in the future.
Old 08-17-04, 07:42 PM
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Yeah, im going to try the fuild change, and if that dosen't work(which i don't think its going to) i just happen to have 3 spare 12a trannies ... now finding the time to change it out. Thats another story.
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