Drive shaft removal.

[hogman69]

Good morning everyone. I am getting ready to remove my driveshaft on my 2005 Monaco Monarch 30PPD. Reason being I am getting some vibration at certain speeds and smooth at other speeds. I know it's not tires because when put in neutral, vibration goes away. I am betting it is the joints and not transmission issues. So I bought all the universal joints and carrier bearings need to do the job. Any tips from you guys before I get started? Thanks!

[Ted Lambert]

Before you drop the drive shaft. Make sure you don't have a seized slip yoke.

[jacwjames]

When you remove the drive shaft take some sort of marker that won't come off and mark the 2 portions of the slip joint so that you get the timing right. It is important that the swivel portion of each of the U-Joints are in time, if the aren't it will eventually stress/fail a U-Joint.

[tderonne]

Chock your wheels!

[Dtwallace]

You mentioned when you put the trans in neutral, the vibration goes away.

You know the drive shaft speed of rotation is related to the speed of the vehicle.
when you put the trans in neutral, the trans and engine rotation is slowed as you remove you foot from the throttle.

This may indicate an out of balance situation at the torque converter, one or more loose bolts in that area attaching the fly wheel to the engine. Bad vibration damper at the front of your engine will produce the same effect.

These things you may want to check out also before you begin your work. That slip joint mentioned above is a biggie for causing drive train vibration issues. But from your description, I'm thinking the problem is between the engine and the transmission just due to the speed you mentioned. Try revving the engine in neutral and see if you feel the vibration while not rolling. Then if you don't, do the same thing while rolling. I think this will help you better pinpoint the problem area.

best of luck, and please keep us updated.
DTW

[Duoglide1]

Originally Posted by tderonne

Chock your wheels!

Doesn't this coach have air brakes?


2005 Country Coach Inspire, C9 CAT

[TQ60]

Have you checked ride height?

If off by just a little bit it will cause out of alignment issues that msy only bark at certian spots.

Verify that before any hard work.

[DDDonkey]

Originally Posted by Dtwallace

You mentioned when you put the trans in neutral, the vibration goes away.

You know the drive shaft speed of rotation is related to the speed of the vehicle.
when you put the trans in neutral, the trans and engine rotation is slowed as you remove you foot from the throttle.

This may indicate an out of balance situation at the torque converter, one or more loose bolts in that area attaching the fly wheel to the engine. Bad vibration damper at the front of your engine will produce the same effect.

These things you may want to check out also before you begin your work. That slip joint mentioned above is a biggie for causing drive train vibration issues. But from your description, I'm thinking the problem is between the engine and the transmission just due to the speed you mentioned. Try revving the engine in neutral and see if you feel the vibration while not rolling. Then if you don't, do the same thing while rolling. I think this will help you better pinpoint the problem area.

best of luck, and please keep us updated.
DTW

X2 check the balance of your drive shaft, you might as well if you already have it it out.

[dons2346]

Originally Posted by Duoglide1

Doesn't this coach have air brakes?


2005 Country Coach Inspire, C9 CAT

No. Not on a gasser coach.

[Duoglide1]

You are correct. Thanks.


2005 Country Coach Inspire, C9 CAT