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Chevrolet Prizm Vibration Issues

35 messages,  Last post on Nov 03, 2009 at 6:39 PM

You are in the Chevrolet (Geo) Prizm Forum. Your Hosts are pat & karens

What is this discussion about? Chevrolet Prizm, Engine, Sedan


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#16 of 35
Re: Engine Light and Car Shaking *update* [mt700a1] by jchallenger
Jan 17, 2006 (5:50 pm)
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Replying to: mt700a1 (Jan 14, 2006 4:04 pm)

The mechanic replaced the spark plugs and spark plug wires and now it runs like new. It runs and idles even smoother than my other 1997 prizm.
 
I replaced the radiator fluid per your instructions and will keep a watch to make sure that the oil isn't mixing with it.
 
Incententally, do all Geo Prizms need new strut mounts after a certain mileage? Our 1997 prizm used to shake a little at speeds above 60mph. We had the strut mounts replaced and now it rides smooth, even up to speeds 100mph+. These little cars like to go fast! I once did 107mph and didn't even realize it for a while one night.
 
Jason
#17 of 35
Re: Engine Light and Car Shaking *update* [jchallenger] by mt700a1
Jan 17, 2006 (10:52 pm)
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Replying to: jchallenger (Jan 17, 2006 5:50 pm)

Great to hear that it turned out to be a rather minor problem. I don't know about the mounts but struts tend to wear out after 100,000 miles or so. Shaking at high speed is often caused by unbalanced tires also. If it starts to shake again you might try that first...certainly cheaper than suspension work.
 
As you perhaps know, running low on oil is one of the easiest fatal mistakes one can make. I wonder how it got to be 1.5 qt low in the first place. If the car is burning that much oil in 3000 miles, you can live with it. Just keep checking oil level EVERY TIME you fill up the car and add some as needed. A lot of older cars burn 2qts every 3000 miles. The burn rate may change at some point and you don't want to run low unexpectedly, hence the oil level check at every gas stop.
 
I am guessing that you saw smoke after the oil change. Oil filter removal is tricky and if a small amount of oil dripped on the exhaust pipe it will smoke some for a while.
 
Mine likes high speeds as well. In fact, it always gets 37-38 mpg at 80 mph road trips. I wish it was a little quieter at that speed, but for a $1500 car I am not complaining.
M
#18 of 35
Re: Engine Light and Car Shaking *update* [mt700a1] by jchallenger
Jan 18, 2006 (10:01 pm)
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Replying to: mt700a1 (Jan 17, 2006 10:52 pm)

When we purchased the vehicle, we noticed the oil hadn't been changed in over 6,000 miles, which would explain why it was so low on oil. And yes, we did notice the smoke after the oil change.
 
Thanks for all your help.
 
J
#19 of 35
1994 Prizm vibration front end by biggziff
Jun 14, 2006 (10:44 am)
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Just had new clutch and both axles replaced on my 94 Prizm 1.6 5 speed. Had a bad vibration on right turn, clutch was slipping, etc. 142K on it now. Now that it's back, it is MUCH better, but there is still a vibration that starts about 45 MPH and seems to vary intensity (speed independant) I had the front wheels balanced and the steering wheel shake (minor) is now gone, but this vibration remains. Definately feels drivetrain related, but I can't be sure. Tried seeing if it was related to a wheel bearing by turning right/left while driving, but doesn't seem to affect it. I plan to rotate the tires tonight to see if that has any effect as well. I'm wondering if there may be an issue with one of the new axles?
 
Any input would be appreciated.
 
Thanks
#20 of 35
Front end making a clunking noise by dahipakea1313
Jul 12, 2006 (8:08 am)
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Hey all
I have a 1995 5spd Geo Prizm with 125,000 miles on it and I love it. It just recently developed a clunking noise on the left front. This only happens if I take off sometimes not all the time. At first I thought it was a loose lugnut. It wasn't, then sometimes it doesn't seem to lock into reverse when backing up. I have toyota aluminum wheels on it now from a Corrola which I know the Prizm is basically the same car. Does the half shafs go on these cars or is there some thing else I should look for?? I see something about the motor mounts. Hope to get a good reply on this, stay cool, H-
#21 of 35
Re: Front end making a clunking noise [dahipakea1313] by tonylee
Nov 27, 2006 (3:31 pm)
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Replying to: dahipakea1313 (Jul 12, 2006 8:08 am)

Hey all,
 
I have a 95 Geo Prizm. The car runs well and have good millage (36 highway, 28 local). Recently, the car makes some noise when the engine is cold. It is kind of vibration noise and more obvious at idle. The the temerature is normal, the nosie is gone. Any idea of what's the problem?
 
Thanks,
#22 of 35
Misfire/vibration issues/what tires are good? by uraspaz88
Dec 09, 2006 (10:32 am)
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I have a 94 geo prizm with about 124k miles on it, recently it started to misfire, least it seems like it, so I asked a local mechanic and he said to upgrade fuel and if that doesn't work bring it back. It does it in low idle then when I accelerate, during the middle it'll kick in normal. also I was wondering if anyone else's car slides around on snow pretty bad like mine, I have really cheasy tires that came with the car, they are new but they suck lol. any suggestions? other than that the car has been fine, great milage =) and I love the stock speakers besides the lack of bass, but my aftermarket cd player works very well in it.
#23 of 35
Re: Misfire/vibration issues/what tires are good? [uraspaz88] by Mr_Shiftright HOST
Dec 09, 2006 (10:36 am)
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Replying to: uraspaz88 (Dec 09, 2006 10:32 am)

it's not a fuel grade problem if you are misfiring. Tell the mechanic "wrong answer".
 
Common misfire issues are leaking spark plug wires, worn spark plugs, clogging injectors or water in the fuel.
#24 of 35
Re: Misfire/vibration issues/what tires are good? [Mr_Shiftright] by az_r2d1
Feb 13, 2007 (4:02 pm)
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Replying to: Mr_Shiftright (Dec 09, 2006 10:36 am)

I hav ea 96 geo prizm with the 1.6 with 3 speed auto. Great little car. I was getting the shake at idle and sure enough the motor mounts were toast. I bought a new set (4) on ebay. Replaced the front, left and right mounts without any problems. It was easy actually.
However, the rear mount I can't seem to get out for some reason. I tookt eht 3 nuts off and took out the botl that holds the mount to the bracket. The mount moves up, but it bumps against the driveshaft. I can't seem to get the mount out !! So frustating, so what do I do to get it out ?

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