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Car Forum / Honda Cars / February 2006Problem with 93 Accord
I have a problem with my 93 Accord 10th Anniv. Edition. It has 130k miles on it, spotless maintenance record. Tonight on my way home from work, the car began to shake badly, but settled down once I was on the highway. When I got off the highway onto the exit ramp, the shaking began again really badly, moving in a front and back motion almost. It settled down again, but anytime I slow the car down to stop or turn, the shaking begins again. Anyone know what could be the cause of this, and what I can do to fix it quick and in a hurry? Thanks in advance. Does the engine run normal when it shakes? You're not losing power or anything? If you stand still and rev the engine, does the car shake? There are many things that could cause shaking, but the simplest to check would be tires tires (if it only happens while rolling): One of the tires may have lost a weight. If it shakes while standing still and revving, check the motor mounts. Remco No loss of power, can drive normally once back up to speed, just when I am slowing down to stop or turn. > No loss of power, can drive normally once back up to speed, just when I am > slowing down to stop or turn. See if you can determine wheter it is coming from the tires or elsewhere. You could do this by process of elimination: Inspect your ties for bulges or damage. If you don't see any, swap the tires back to front and see if it changes. It could be that a weight fell off or something is wrong with your tires. If could also be a mechanical issue like a CV joint, engine mount, etc - if you swap your tires and the problem does not move or change, the problem is most likely mechanical in nature. Report back so it can help others here with future problems. Remco > No loss of power, can drive normally once back up to speed, just when I am > slowing down to stop or turn. See if you can determine wheter it is coming from the tires or elsewhere. You could do this by process of elimination: Inspect your ties for bulges or damage. If you don't see any, swap the tires back to front and see if it changes. It could be that a weight fell off or something is wrong with your tires. If could also be a mechanical issue like a CV joint, engine mount, etc - if you swap your tires and the problem does not move or change, the problem is most likely mechanical in nature. Report back so it can help others here with future problems. Remco As I attempted to drive the vehicle again, I noticed that the shaking does occur when the vehicle is not in motion. The general consensus amongst friends, coworkers, and family (many of whom are what I call "quasi-mechanics") is that is either the motor mount, or the tie rod. So, to be on the safe side, my buddy and I are going to change both on Thursday. Thanks again for the help, Remco, I appreciate it. Let you all know how it goes and if that is truly the problem after we change both. > As I attempted to drive the vehicle again, I noticed that the shaking > does occur when the vehicle is not in motion. The general consensus [quoted text clipped - 4 lines] > Thanks again for the help, Remco, I appreciate it. Let you all know > how it goes and if that is truly the problem after we change both. The tie rod? If you're sitting there still and the car's shaking, the tie rod isn't even moving. It's part of the steering. Sounds to me like you have classic "rough idle". There's a procedure in the manual for diagnosing this. I'd be looking at cleaning the induction system and maybe some fuel injection cleaner. Then if that has no affect, I'd look at the ignition system, wires plugs and the like. It might be the motor mount too but, on most Honda's they're easily inspected. The one I'd suspect if the engine rocks fore and aft is the one from the tranny to the rear crossmember. That one's a bitch to change, at least on an integra and civic, I haven't done one on an accord. > > As I attempted to drive the vehicle again, I noticed that the shaking > > does occur when the vehicle is not in motion. The general consensus [quoted text clipped - 16 lines] > from the tranny to the rear crossmember. That one's a bitch to change, at > least on an integra and civic, I haven't done one on an accord. Yup, listen to Dufus - he clearly knows his stuff. Your name is clearly a misnomer, Dufus :) If it is happening while standing still, it might be the motor mount or the way the car is running. Motor mount problems often show themselves when you rev the engine, not so much when it is idling. Does it idle badly? You can often feel it by putting your hand on the exhaust outlet - don't touch it, but you'll be able to feel if the car is missing or is running irregularly. If it runs badly, clearly check ignition, timing and fuel delivery. Also see if you have a vacuum leak. Spritz a little starting fluid around vacuum hoses and see if the sound of the engine changes or RPM picks up temporarily. If it does, inspect the vicinity of where you spritzed as you'll most likely have a vacuum leak there. Check www.tegger.com for general things to check for. I would not bother replacing a tie rod unless you are having a different problem steering. It would most likely not be related to your problem. Good luck. Do report back with your findings as it may help someone else out. Remco > your problem. > > Good luck. Do report back with your findings as it may help someone > else out. > > Remco One time, I was at the race track, and hit second instead of 4th at 90 MPH. Tach pegged at 10K RPM before I punched the clutch back in. I ran around the track for another 5 minutes with my fingers crossed hoping I hadn't damaged anything. Parked it. When it was time for the next session, I started it up and then shut it right down. Was vibrating like hell. I had both broken that rear motor mount AND bent a couple valves. Good thing it was a honda motor though. I was able to limp it 5 hours home. It would smooth out at 3500 RPM so, it didn't feel that bad. Ended up costing me $1500 to fix. chefkojak, you never miss shifted did you? It's fairly common to mis- shift a honda if you're playing boy racer. Bend a valve by over-revving and you'll have to get the head re-built. It's an automatic, and I drive like an old woman since my accident 3 years ago. *laughs* Turns out it was a stupid problem I should have taken care of myself. My fuel injection system was dirty, and (not sure how this happened) but one of my spark plugs was fouled. Got it cleaned and changed the plugs, runs just fine. > It's an automatic, and I drive like an old woman since my accident 3 > years ago. *laughs* [quoted text clipped - 3 lines] > but one of my spark plugs was fouled. Got it cleaned and changed the > plugs, runs just fine. Look at that, Induction AND ignition system. How do you clean a dirty fuel injection system? Did you used bottle of chemical to clean it? > It's an automatic, and I drive like an old woman since my accident 3 years > ago. *laughs* [quoted text clipped - 3 lines] > of my spark plugs was fouled. Got it cleaned and changed the plugs, runs > just fine. Congrats on keeping that money in your pocket! Glad it wasn't a big deal. |
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