Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

Diff cover bolt size...?

  #1  
Old 01-18-2006
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Diff cover bolt size...?

Anybody know what size the bolts for the diff cover are? Thanks.

(not the head, the actual bolt)
 
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Old 01-18-2006
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I have a couple of hundred here but I threw the package away. I am pretty sure it is 3/8-24.
 
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Old 01-18-2006
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On the 8.8 rear they are 5/16 course thread.
 
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Old 01-18-2006
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just take one of the old ones out, the top one. you can drive around without it youll need longer ones with that cover, dont forget, im sure you already know
 
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Old 01-18-2006
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Originally Posted by SoundPer4mance
just take one of the old ones out, the top one. you can drive around without it youll need longer ones with that cover, dont forget, im sure you already know
No need to drive around with out one.. I'v got 10 of them in the back yard.. attached to another axle that is

Thats what I went to pick up, longer ones for the new cover. I got a set of 1 1/2" Grade 8's and lock washers... I think they may be like 1/32nd to long though.. have to check tomorrow.

EDIT:: PS they are 5/16 - 18 (course) length stock is 3/4".
 
  #6  
Old 01-18-2006
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If they are too long can't you just put an extra thick gasket on there to compensate for the longer bolts?
 
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Old 01-18-2006
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There is no gasket for the diff cover, you just use RTV. (well I have seen a few out there, but RTV is what is recomended) I could throw a second washer on it though...
 
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Old 01-18-2006
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Well yeah that's what I meant... a thicker layer of RTV. It's only 1/32"... an extra washer would work too though lol.
 
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Old 04-06-2006
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thats right im diggin up old threads


Originally Posted by rngprerunner
EDIT:: PS they are 5/16 - 18 (course) length stock is 3/4".
so this is right?

if i get 1" long screws i should be fine with the explorer cover right?
 
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Old 04-06-2006
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Originally Posted by zabeard
thats right im diggin up old threads
so this is right?

if i get 1" long screws i should be fine with the explorer cover right?
Eh..

Yes they are 5/16 - 18 (course)

I have 1 1/2" long bolts for mine, and they are darn near perfect.

I check a 1" on it for ya and it fits through the cover, but I'm not convinced there would be enough threads for my comfort.
 
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Old 04-07-2006
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i thought you mentioned earlier that the 1.5" long bolts were just a hair too long.?

how many washers are you using?

ive got a selection of 5/16 -18 bolts. 1", 1.25", and 1.5"

i guess i figured they were metric.
 
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Old 04-07-2006
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Since then I have tried them. With one lock washer they are just right.

Maybe try the 1 1/4" just for ****s and giggles.. that would probably work well.
 
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Old 04-07-2006
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ok thanks jason.
 
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Old 04-07-2006
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I used 5/16-18 x 1 1/4 plus one flat washer for my IRS Explorer cover.
 
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Old 04-07-2006
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ok cool

that is just what i bought for my IRS Explorer cover.
 
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Old 04-07-2006
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i got it done. i used only 1" long bolts as i had to stack washers or shorten the 1.5" long bolts. inorder to get them to work. but i think it is plenty of thread for it.

might get me some stainless steel cap head screws.

 
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Old 04-07-2006
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Wierd.. the 1 1/2"ers work fine on mine...

Lookin Good Zach!
 
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Old 04-07-2006
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thanks jason.

ya i tested the 1-1/2 long bolts and they stopped and i had atleast 3/4" left of bolt sticking out.

was this on your 31 spline? mine is only 28, would that matter?
 
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Old 04-07-2006
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Yea its on the 31 sloder' rear.. wouldn't think it would matter.. hmm.. wierd.
 
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Old 04-07-2006
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Looks great, Zach. I used 1 1/4" SS bolts and SS washers and they worked fine. It's a 31-spline but I would think the housing face is the same as a 28.

 
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Old 04-07-2006
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thanks bob. polishing the tops of those fins was a pain! idk how u made yours look so clean. lol
 
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Old 04-07-2006
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Originally Posted by zabeard
thanks bob. polishing the tops of those fins was a pain! idk how u made yours look so clean. lol
It helps to have a crappy camera!
 
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Old 04-07-2006
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lol, i slipped on mine a few times and was getting all frustrated. then thought ah just stick it on there. and heck. cant even see the blemishes, worked out better than i thought.
 
  #24  
Old 04-07-2006
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zach, when did you do that?
 
  #25  
Old 04-08-2006
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man, i gotta make sure i paint mine before i get it on the truck
 

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