Carrier Bearings?
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Cross-Country
Joined: Nov 2014
Posts: 73
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Carrier Bearings?
Got some vibration at speed, no noise to speak of.
This is an E450 with a Starlite bus body, about 24' long.
The drive shaft has a front section, a rear section, and a short connector between those with two carrier bearings.
I crawled under to inspect. No play in either U-joint, but there is some slop in the front carrier bearing.
Q: Can I replace the carrier bearings without jacking up the vehicle? Seems to me there's enough room to work under there, is there any reason the wheels must be off the ground?
This is an E450 with a Starlite bus body, about 24' long.
The drive shaft has a front section, a rear section, and a short connector between those with two carrier bearings.
I crawled under to inspect. No play in either U-joint, but there is some slop in the front carrier bearing.
Q: Can I replace the carrier bearings without jacking up the vehicle? Seems to me there's enough room to work under there, is there any reason the wheels must be off the ground?
Posting Guru
Joined: Jul 2017
Posts: 1,236
Likes: 2
Got some vibration at speed, no noise to speak of.
This is an E450 with a Starlite bus body, about 24' long.
The drive shaft has a front section, a rear section, and a short connector between those with two carrier bearings.
I crawled under to inspect. No play in either U-joint, but there is some slop in the front carrier bearing.
Q: Can I replace the carrier bearings without jacking up the vehicle? Seems to me there's enough room to work under there, is there any reason the wheels must be off the ground?
This is an E450 with a Starlite bus body, about 24' long.
The drive shaft has a front section, a rear section, and a short connector between those with two carrier bearings.
I crawled under to inspect. No play in either U-joint, but there is some slop in the front carrier bearing.
Q: Can I replace the carrier bearings without jacking up the vehicle? Seems to me there's enough room to work under there, is there any reason the wheels must be off the ground?
Carrier bearings usually make noise when starting out from a stop. But mine was so far gone when I got the truck that the vibration and noise happened at all speeds.
Chock all wheels if servicing anything in the driveline, but no particular reason to have the wheels off the ground *as long as everything still lines up* when putting it back together.
Hotshot
Joined: Oct 2006
Posts: 10,147
Likes: 7,975
From: Texas
Got some vibration at speed, no noise to speak of.
This is an E450 with a Starlite bus body, about 24' long.
The drive shaft has a front section, a rear section, and a short connector between those with two carrier bearings.
I crawled under to inspect. No play in either U-joint, but there is some slop in the front carrier bearing.
Q: Can I replace the carrier bearings without jacking up the vehicle? Seems to me there's enough room to work under there, is there any reason the wheels must be off the ground?
This is an E450 with a Starlite bus body, about 24' long.
The drive shaft has a front section, a rear section, and a short connector between those with two carrier bearings.
I crawled under to inspect. No play in either U-joint, but there is some slop in the front carrier bearing.
Q: Can I replace the carrier bearings without jacking up the vehicle? Seems to me there's enough room to work under there, is there any reason the wheels must be off the ground?
https://www.drivelinesnw.com/part-tr...lysis/phasing/
Freshman User
Joined: Jan 2003
Posts: 47
Likes: 1
From: Tucson, AZ
Before you get really involved with the rear axle, I would carefully check all of your tires for blisters/separation/axial and lateral runout. I had a similar problem about 2 months ago with vibration at about 60 mph with no noise; thought it was U-joints so checked those carefully and every thing was fine. Also, the rear axle pinion will have some rotational play in it due to backlash between the pinion and ring gear and clearance between the carrier and axle splines. Turned out I had a bad tire separation on the right rear, but I could only see it when I put the rear axle up on jack stands and drove the vehicle at a SLOW speed, then it became obvious.
Good Luck.
Good Luck.
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87_gt
1987 - 1996 F150 & Larger F-Series Trucks
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Apr 24, 2009 08:25 PM
