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bad shake on 92 plymouth voyager
04-11-2014, 03:12 PM
Post: #1
bad shake on 92 plymouth voyager
I have a bad shake going on with my van. it seems to be coming from the front passenger side. I have been to 6 mechanics that pretty much blew me off about it. I have replaced the wheel bearing in the back because they were bad, new tires all around, and an alignment. its better but still shaking. but the front end checked out fine according to the 6 mechanics I've seen. please help me figure it out!
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04-11-2014, 04:23 PM (This post was last modified: 04-11-2014 04:24 PM by Rupe.)
Post: #2
RE: bad shake on 92 plymouth voyager
If the front end seems tight there are a few more things to look at.

If the shake doesn't start till a certain speed it's possibly a tire balance problem or a blown out shock. The easiest way to spot this in action would be to have a friend drive along side in another car while you go down the road. Leaking oil from the front spring area is another clue.

The next item would be a failing CV joint. At times they can lock up and it will feel like you are driving over rail road ties.

A minor shake might be a bent rim or separated belt / ply in a tire. You'd have to look close for that while it's jacked up and the wheels turning.

In that era those were also known for something called "smooth road shake" and most found rims that were bent. Not sure if they were cheesy steel wheels or people were too rough on the vehicle.

Let us know what you find and we can post more.
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04-11-2014, 05:02 PM
Post: #3
RE: bad shake on 92 plymouth voyager
the tires are new. the rims are good they were the fist thing i checked when it started before i bought the new tires. the passenger side tie rod is a little bent but the alignment tech was able to get it fully aligned. the shake usually happens around 30 and eases up around 60. It can feel like your in a washing machine during the spin cycle when its really shaking.
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04-11-2014, 08:40 PM
Post: #4
RE: bad shake on 92 plymouth voyager
So you are saying this shake was there with the old tires too? In that case take a look at the front shocks for oil leaks and possibly have someone drive along side to watch when it happens. Have them watch the space between the top of the tire and the wheel opening in the fender. If that's where they see the most action then shocks would be my first guess. If the tire wobbles left / right and you can see it in the steering wheel then there's other issues, although could be as easy as balancing weights that fell off and you need to have it balanced again.

BTW, just because a tire is new doesn't mean it can't have an issue. Most people over look a side wall bubbls on the inside edge. Also, a bent rim may not look bent to the naked eye. Anything more than an 1/8" run out is suspect, especially if the shocks are worn. Run out can be in / out or up / down while mounted on the car. Sometimes rust behind the wheel or the rotor can add to the situation but the vibration usually knocks the rust off in a few miles then you find the lug nuts are not tight.
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04-12-2014, 02:10 AM
Post: #5
RE: bad shake on 92 plymouth voyager
The shake was there with the old tire. whether they are properly balanced not really sure but they are balanced. I noticed this tonight that the shaking is more prevalent when the van is accelerating and smooths out when i let of the gas.
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04-12-2014, 09:19 AM
Post: #6
RE: bad shake on 92 plymouth voyager
Is your check engine light on? (does it work?) Could this be a skip in the engine under load?

If not, then start looking at the outside CV joint in that side, especially if it's worse going around a corner when you step on the gas.
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04-16-2014, 03:48 PM
Post: #7
RE: bad shake on 92 plymouth voyager
Thank you for your help.finally found a good mechanic the discovered the cv axle was broken. I don't have the tools to tackle that job myself so its due to be fixed tomorrow.
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04-16-2014, 08:48 PM
Post: #8
RE: bad shake on 92 plymouth voyager
Glad you found the issue and thanks for the follow up as others reading here may learn something.
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07-02-2014, 08:12 PM
Post: #9
RE: bad shake on 92 plymouth voyager
Update on Van:
Deceased. engine cracked. water in oil.
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07-02-2014, 09:41 PM
Post: #10
RE: bad shake on 92 plymouth voyager
Bummer! After all the effort and $$ to have that news.

Are you handy at all? It may just be a bum head gasket if it's the 3.0 V-6 engine. Of course you wil need to be prepared to change the timing belt and water pump for good measure, which jacks the cost of parts. Those parts will either be out in the open or already off so that's the right time to do them.
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