I think my rearend could be my problem.

Posted by Malcolm [Boardmaster] on Sunday, December 05, 2004 at 10:26PM :

Moderator

I'm no expert on rearends by a long shot but here's some readings I got.

I pulled off the wheels and brake disk and used a dial indicator gauge on the flange of the axle.

Driver's side
19 thousands runout. Seems a bit much doesn't it?
Pass side
8 or 9 thousands.

I then pulled the assembly apart and checked the axles.

Driver's side runout on the outer axle surface 45 thousands. Measuring in about 7 1/2" in from the flange 19 thou, just before the spline on the other end 25 thou, just after the c-clip (end of shaft) 32 thou.

I've searched the web and can't find any official specs for the Ford 8.8 axles and what is acceptable runout but those seem a bit much to me. Plus the bearings surface on the driver's side axle is scored.

I have a feeling my axles are no good. Oh and also on the splined end of the axles they are a blue discoloration like they've gotten very hot at some time in their life.

Oh and the reason I'm tearing it apart is Aamco couldn't find anything wrong with my T5 either. They said everything I described sounded like a vibrating rearend that was transmitting up the drive shaft and making the tranny seem to be at fault.

Later
Malcolm

http://www.v8-ranger.com Follow Ups: Re: I think my rearend could be my problem. - Jimmie 0:53AM 12/06/2004 (3) Re: I think my rearend could be my problem. - Malcolm 1:01AM 12/06/2004 (2) Re: I think my rearend could be my problem. - cgrey8 5:21PM 12/06/2004 (1) Re: I think my rearend could be my problem. - Malcolm 10:37PM 12/07/2004 (0) Post a Followup Name: E-Mail: ( default ) Subject: Message: : I'm no expert on rearends by a long shot but here's some readings I got. : I pulled off the wheels and brake disk and used a dial indicator gauge on the flange of the axle. : Driver's side : 19 thousands runout. Seems a bit much doesn't it? : Pass side : 8 or 9 thousands. : I then pulled the assembly apart and checked the axles. : Driver's side runout on the outer axle surface 45 thousands. Measuring in about 7 1/2" in from the flange 19 thou, just before the spline on the other end 25 thou, just after the c-clip (end of shaft) 32 thou. : I've searched the web and can't find any official specs for the Ford 8.8 axles and what is acceptable runout but those seem a bit much to me. Plus the bearings surface on the driver's side axle is scored. : I have a feeling my axles are no good. Oh and also on the splined end of the axles they are a blue discoloration like they've gotten very hot at some time in their life. : Oh and the reason I'm tearing it apart is Aamco couldn't find anything wrong with my T5 either. They said everything I described sounded like a vibrating rearend that was transmitting up the drive shaft and making the tranny seem to be at fault. : Later : Malcolm Optional Link ( default ) URL: Title: Optional Image Link ( default ) URL: