Good Sam Club Open Roads Forum: Vibrations on 92 Fleetwood - P30
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 > Vibrations on 92 Fleetwood - P30

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Augustin

Quebec

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Posted: 10/15/19 01:58pm Link  |  Quote  |  Print  |  Notify Moderator

Hello everyone,

I need some help and advices about an issue...
I've been travelling along Canada for 6 month, with my a class 92 Fleetwood flair.
I'm actually near Vancouver and was supposed to cross the country back to Quebec today but i have a serious problem and not sure if I can continue my travel.

Since one week, when I'm driving above approx 45MPH, it start to vibrate a lot. (I have the feeling that the vibration is all around the house and driving place).
I was thinking about a wrong balanced tire but i replaced the two front tires about 1 month ago. (and balanced obviously) -> And everything was right with the driving after.

The interesting fact is, at the exact moment where i stop to press the gas pedal -> It stop to vibrate.
While driving, I put the gear in neutral and there is no vibration, even when i press the gas pedal (still in neutral).
So I'm thinking about the transmission, because I have this vibration only during driving with a gear on.

To give you more info, while cruising around 60mph it doesn't feel safe to drive like this...
I have absolutely no idea of what can cause that...

Here are some info about the rig : Fleetwood Flair 26 feet, 1992, GM 454 7.4L, Chassis P30.

If anyone get an idea of what to check, I will really appreciate your help.

Many thanks in advance to the RV community .

Cheers. Augustin (Sorry if there is some mistake in the message, English is not my first language...)

enblethen

Moses Lake, WA

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Posted: 10/15/19 02:11pm Link  |  Quote  |  Print  |  Notify Moderator

Check the center drive line support.
Center support
Better English then many!


Bud
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K Charles

Connecticut

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Posted: 10/15/19 03:12pm Link  |  Quote  |  Print  |  Notify Moderator

I'll second the drive shaft. I wish the kids around here were as good with their English, as a first language.





Chum lee

Albuquerque, NM

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Posted: 10/15/19 03:41pm Link  |  Quote  |  Print  |  Notify Moderator

K Charles wrote:

I'll second the drive shaft. I wish the kids around here were as good with their English, as a first language.


X3! Sounds like a center support or a U-joint. Crawl under the RV, put your hand on the drive shaft and shake it back and forth, then up and down at the front, in the center, then at the rear. Now you know where the problem(s) is. (the shaft will have play in it at the bad joint) Fix it now. It will only get worse until it fails and you are on the side of the road trying to locate whats left of your now bent up driveshaft.

Chum lee

enblethen

Moses Lake, WA

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Posted: 10/15/19 04:03pm Link  |  Quote  |  Print  |  Notify Moderator

You can take it for a short drive of 10-15 miles, then crawl under, the defective area will be much warmer.
Look at u-joints for rust tracking.
I would take the complete drive line out and replace all the joints and support bering even if only one appears to be bad.

Augustin

Quebec

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Posted: 10/15/19 07:05pm Link  |  Quote  |  Print  |  Notify Moderator

Hi everyone,

Fantastic to seem so many answer !

I will check what you've said tomorrow morning with better light than tonight and keep you updated [emoticon]

Augustin

lamont

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Posted: 10/15/19 07:09pm Link  |  Quote  |  Print  |  Notify Moderator

is it the steering wheel that shakes or the whole RV? you might have thrown a wheel weight, maybe a out of round Tire or weight too,on the rear.
richie


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Bruce Brown

Northern NY

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Posted: 10/15/19 08:42pm Link  |  Quote  |  Print  |  Notify Moderator

Add another vote for driveshaft/U joint.

And another good job on the English!


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gbopp

The Keystone State

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Posted: 10/16/19 01:24pm Link  |  Quote  |  Print  |  Notify Moderator

Please keep us updated when you find the problem.

Augustin

Quebec

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Posted: 10/17/19 08:29pm Link  |  Quote  |  Print  |  Notify Moderator

Everyone was right, the rear U-joint was completely worn out ! -> Dry and almost no needle inside.
The lubrication point (if we can say that, I don't know th exact term), was broken. Surely the previous owner who broke it and did not replace the u-joint...
The front one and center bearing were excellent, I just greased them properly. (I preferred to replace them all, but the mecanics who helped me say that thas was fine, but I will change them when I will get back home).

Anyway, I'm back on track with a quiet and no vibration drive.
So once again, many many thanks for your help !!

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