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-   -   Grinding and hesitation (https://www.rx7club.com/new-member-rx-7-technical-256/grinding-hesitation-972812/)

natulv 10-10-11 07:29 PM

Grinding and hesitation
 
I have a 1991 rx7 that is making an odd grinding noise while coming down from rev, wether the clutch is in or not. If I rev at all it seems to go away but when it comes down it shakes and grinds, although it only does this when the engine is fully warmed up. I have recently replaced the clutch, throwout bearing and pilot bearings, the flywheel didnt look too bad but at the same time I couldnt get it machined due to a time constraint on the garage I was using. The other problem also only comes up after it is warmed up as well. It will hesistate, buck , and jerk pretty bad at high rev while I am driving. I can usually baby it and keep it below 3500 to get somewhere safe but I cant figure out what could be causing this :P

Grifkylian 10-16-11 10:41 PM

If the clutch isn't slipping, I'd say it was the clutch slave cylinder, but then I saw that you said it was bucking and hesistating... hmm...:scratch:

natulv 10-16-11 10:49 PM

Gonna replace the slave cylinder this week. The hesitating is apparently, mostly blown spark plugs . The first thing I should have changed . Lol


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