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Old 10 Mar 2012, 04:01 pm
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Default What is wrong with my 1985 Honda Prelude?

I have the 1.8L dual carb, with a 5 speed manual. Its really clean with only 48,000 miles on it, brand new tires, good brakes and beautiful interior. I recently took it in to get the CV shaft replaced on the passenger side...the mechanic said that the clutch was slipping so he loosened(or tightened, I'm not sure which one he said) the tension on the clutch cable. I left the shop thinking everything was fine, but I just got back from a drive and now its having another problem. If I am in 3rd, 4th, or even sometimes 5th, the car will just jerk kinda bad, almost the same way it would if you feathered the throttle, but when it happens i'm applying near constant pressure on the accelerator. It did it a few times before the clutch cable was adjusted, and I assumed that it was the carburetor, and that it was possibly dirty or something. I haven't had the transmission looked at yet, so thats the next step, but any ideas as to what it could be?? please help, I love this little car and wanna keep it running good
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Old 10 Mar 2012, 04:16 pm
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Join Date: Aug 2007
Posts: 181

your clutch is still slipping, because when clutch slips what you mentioned above occurs. To fix clutch slipping you need to replace the clutch plate not loosen or tighten the clutch cable, I suggest avoid that mechanic and find a legit one because some mechanics will "fix" the problem without actually fixing like in this case by changing the clutch feel with out fixing the problem and once customer comes back for 2nd time they'll actually fix the problems so watch out for this kind of stuff.

Good luck.
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Old 10 Mar 2012, 04:32 pm
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Join Date: Aug 2007
Posts: 302

If your clutch was slipping you would know.

Pull away in second gear, bring RPM up to about 3000, and apply more throttle aggressively.

If the clutch is slipping on the flywheel the RPMs will spike indicating a lack of grip between the two

mating surfaces. has a great video on this.

If bt jerking you mean like a shuddering effect I would check your ignition wires and the cap and rotor.

If they are worn the flow of current to the plugs will noot be 100% and might be causing this effect.

Years ago people used to spray WD40 in damp conditions to band-aid the problem.

I had a 1985 1500s Civic that had worn wires and the cap and rotor were bad as well.

I changed them and the car ran like a charm.


I would make sure your clutch cable has the correct amount of slack. If it is too tight it can stretch the springs and breakage can occur. A repair manual costs $15 and well worth it.

Good luck with the Prelude, wish I still had mine.
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