Driveline Vibration under load

[captainmike]

I have a 2 month old '06 megacab 2500 diesel. When towing a recently acquired 10,000 lb 5th-wheel I get what feels like a driveline vibration under any pull at all. No vibration when the truck is operation alone. Currently in Little Rock. Any Ideas? Thanks, Mike

 

[GShail]

check your carrier bearing.

 

[sag2]

Only on take off to about 5 mph, or all the time? What is the kingpin weight?

 

[captainmike]

Not sure of the kingpin weight. The trailer is a 2002 Cedar Creek 33 ft. Book says is weighs 9850 lbs. It was was empty when I picked it up from the dealer a few days ago. Of course we are adding more weight. I vibrates anytime I am on the accelerator. More acceleation, more vibration at any speed. We didn't tow over about 65 mph. Thanks.

 

[Oasis-3]

U-Joint

Sounds like a U-Joint. My truck did the samething and it was the rear U-Joint that was bad.



Good Luck

Cliff

 

[p-Bar]

. TSB for launch shudder trailer has the be ATTACHED to check driveline angle and order correct shims





This was from another thread

 

[captainmike]

Well, it is now Jan '07 and the problem is finally fixed. I live in Homestead, FL and the dealer, Spitzer Crysler/Jeep, changed the mounting bracket (a shorter than stock bracket) for the center U-joint, raising the U-joint and making the driveshaft straighter when the 10,000 pound trailer is hitched. WaLa! No more vibration. The truck was always fine when running alone. Only had a shudder when taking off from a stop with the trailer hitched and a vibration at 56-64 mph. The dealer said that this is not a new problem with the longer chasis trucks and DM is well aware of it. This dealer was very up front and helpful.



Case closed, Mike

 

[JEpling]

i have the same shutter when loaded but only in the 1st 3 gears after i get it in 4th the shutter is gone but only have this when loaded