How-to Convert a Ford 8.8 from 28 to 31 spline

  Рет қаралды 3,923

ShowMe Repair

ShowMe Repair

2 жыл бұрын

Hey everyone If your enjoying my videos please subscribe and comment. It helps the channel out.
In this video I continue the process of repairing the rear differential in this Crown Vic Police Interceptor. If you don't remember from a previous video when I removed the axle.
The axle shaft on the right side broke and caused damage to the axle housing.
We searched around and couldn't find a reasonable priced complete replacement axle.
I found this axle local out of a regular crown vic. I truthfully can not remember what gear ratio either rear end was. But I knew I was going to swap the pinion and carrier from the old assembly to the new one. I found that the new axle is a 28 spline and the old axle is a 31 spline.
The 31 spline carrier and pinion went right into the new housing. After installing new axle bearings and axle seals the axle shafts slid right in. I reinstalled the axle assembly in the vehicle. Filled the rear end with friction modifier and 75w140. Test drove and then checked for leaks.
car ran out great. Its ready to go back to the owner.
Hopefully this helps anyone going through a similar issue.
Here is an Amazon affiliate link for the bearing removal tool I used in the video
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If your interested in any Bully Dog tuners here is an affiliate link to Bully Dog.
shareasale.com/r.cfm?b=180978...
I'm working on getting a link for SCT
If your interested in any SCT products email me at chrisbpowerstroke@gmail.com
If your interested in a Turbo from Turbo Time USA here is an affiliate link
turbotimeusa.com/CBRYANT
I am now a dealer for www.amsoil.com If your interested in any of their products. Shoot me an email at
chrisbpowerstroke@gmail.com
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8.8

Пікірлер: 18
@CobraR1993
@CobraR1993 Күн бұрын
The Ford manual says do not use an impact gun to tighten the pinion nut. Also the max preload for the pinion bearing is 20 inch pounds.
@showmerepair
@showmerepair 16 сағат бұрын
@@CobraR1993 the manual for a 2010 ford crown Vic police interceptor that I’m referring to. Shows pinion bearing preload 16-29. From all the ford diffs I’ve rebuilt. Ford never seen one specific bearing preload. They give a range like 16-29. My manual for tightening the pinion flange to compress the crush sleeve does not specify to not use an impact. I have seen that before. None of what I’m saying proves I’m proving you wrong. I’m just getting different info and going off my knowledge. If you would like I can email you the portions of fords repair manual to show you. Chrisbpowerstroke@gmail.com
@doaburnout1205
@doaburnout1205 Жыл бұрын
What advice or links for stuff on a 2001 crown vic?
@johntowne8325
@johntowne8325 2 жыл бұрын
Are the axle tubes the same size? I have another gear set and posi center section but it’s 31 spline and my car was made 08/04 so it should be a 28 spline as they started the larger axles in may of 05. If I change to newer bearings seals and axles will the center work?
@showmerepair
@showmerepair 2 жыл бұрын
Do you have the axle disassembled?
@johntowne8325
@johntowne8325 2 жыл бұрын
No it’s my daily so I wanted to get all the parts together before tearing into it
@showmerepair
@showmerepair 2 жыл бұрын
I’ve personally only seen the 31 spline in police interceptors. Rockauto has the 31 or 28 spline with bearing and seal. I’d say as long as your carrier is for a crown Vic 31 spline it should work
@boostedgringo5885
@boostedgringo5885 Жыл бұрын
I had read you can’t use 31 spline in a 28 spline housing. We’re you able to do this because you purchased new axles vs using the stock 31 spline? I am about to change the rear in my truck and have a cut 28 spline unit but also have an uncut 31 spline. Was hoping to just swap guts.TIA
@showmerepair
@showmerepair Жыл бұрын
It worked perfect for me. Customer is still driving it every day. I used stock replacement axles. Nothing special.
@dunbarautomotive
@dunbarautomotive 2 жыл бұрын
Ok, I got to know. Where did you get the bearing puller for the carrier bearings. Very nice.
@showmerepair
@showmerepair 2 жыл бұрын
I believe Yukon was first to make it but you can find it on Amazon. I put a link in the description
@dunbarautomotive
@dunbarautomotive 2 жыл бұрын
@Chris Bryant thank you sir
@showmerepair
@showmerepair 2 жыл бұрын
Thank you Jason. I always appreciate you watching the videos and enjoy chatting with you.
@dunbarautomotive
@dunbarautomotive 2 жыл бұрын
@Chris Bryant just finished the video. I see a 6.0 diesel rotating assembly being balanced. I hope there's a full on it soon?
@showmerepair
@showmerepair 2 жыл бұрын
Working on editing a video of the crank balancing. I still need a cam and lifters before I can assemble the short block
@user-lv2wl2yr3t
@user-lv2wl2yr3t 2 жыл бұрын
What axles did you use?
@showmerepair
@showmerepair 2 жыл бұрын
Axles for limited slip rear end. Got them at Rockauto
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