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Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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  #1  
Old 08-03-2008
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Icon8 I broke something......

I think I broke something in the rear end.


I backed out of a driveway and when I put it into gear and started to go forward I heard a loud pop and then another loud pop. I slowly drove down the road and made a turn and heard the loud pops again, and its coming from the rear axle. I THINK I may have seen the drivers side wheel start to move out of the axle a little when I pulled over to see what was wrong. There also seems to be alot of slack in the axle when I shake either wheel back and forth. It also kinda seems like maby some teeth broke off one of the the gears in the rear because I kinda feel like a bump when driving it. I drove the truck the 2 or 3 miles home at 10mph with my dad following me, and it seemed to make the most noise when I made left hand turns.

I hope it isnt anything to bad, I just spent $1000 on the front end like 5 days ago.

Last edited by schatten789; 08-03-2008 at 08:52 PM.
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Old 08-03-2008
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I know a friend who had similar sounds in the rear end of his Chevy Astro. Turned out he chewed up his spider gears in the differential. Not saying for sure, but it sounds real similar to what you are describing.
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  #3  
Old 08-03-2008
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I guess tomorrow ill go take the diff cover off and look for any metal in the bottom of the pumpkin. I have never messed with the inside of a differential so this will be kinda new.


I have a 7.5 limited slip with 4.10 gears so that means I need some kind of special fluid since I have the clutch type limited slip right?
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Old 08-03-2008
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sounds like spider gears. my bet is a C clip fell out and that cross pin broke too. good old 8.8s
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  #5  
Old 08-03-2008
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Here was my idea, since his mum is being stubborn and wont let him put in anything that isnt a 7.5" rear


Would anyone in texas like to help instal an 8.8" rear end into this truck, if he got all the parts needed? Maybe a few guys and knock it out in a day or 2. The 8.8" is way stronger than the 7.5" and it'd make no sense to go back with that.


How much work does it take to get an explorer/mustang/crownvic 8.8" rear end into a ranger anyways?
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  #6  
Old 08-03-2008
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I could swap them out by my self and my dad will help if need be.

Im going to check the junkyard and see if they have something that will fit, whether it be an 8.8 or a 7.5 as long as it has a ls and 4.10s in it. I dont really care if my mom says i cant put an 8.8 in, if the junkyard has one with what I need in it then ill be putting that in.

First thing im going to do though is take the diff cover off and see what is going on in there.
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  #7  
Old 08-04-2008
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can someone say explorer axle time?
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Old 08-04-2008
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Yeah, if it is the spider gears, swapping an 8.8 may actually be cheaper. When my friend had his gears done at a shop, it was a little over $1000. On a funny side note, he then sold the van 3 days later :)
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  #9  
Old 08-04-2008
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Quote:
Originally Posted by DaGGer View Post
can someone say explorer axle time?

Thats what i suggested

I know an explorer expert in texas to
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  #10  
Old 08-04-2008
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well that sucks. i guess your front and rear diff's will be like new soon. too bad it had to happen right after the front was worked on.
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  #11  
Old 08-04-2008
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Quote:
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well that sucks. i guess your front and rear diff's will be like new soon. too bad it had to happen right after the front was worked on.
Well it wasnt the front diff that was worked on it was balljoints, and hubs (bearings blew apart). Its still 1k that I could have used else where, and this isnt helping. I got $58 to my name so I have a feeling ill be bumming money from my parents for this.

Im about to go to the jy and see what they have.
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  #12  
Old 08-04-2008
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oh sorry my stupidity on the front end, now it really sucks you have to borrow from your parents.
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  #13  
Old 08-04-2008
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ok well I went to the junkyard and of course they didnt have anything off a ranger or explorer so I guess ill be finding junkyards in near by towns and looking at ebay and craigslist.


I took the cover off the diff and this is what I saw.


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Hard to see but the teeth are torn up on all of the spider gears. Some have deep notches in the middle of them.


Here is about half of the metal shavings that are all over the place.
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This is what happens when you dont change your diff fluid. Most parts are coated in this sludge.
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  #14  
Old 08-04-2008
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wow man that really sucks
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  #15  
Old 08-04-2008
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yea it does, cant really be that surprised though because it has 177k miles on it and has been beat on for most its life. Just wish it would have happen in a couple months so I would have money to fix it. Guess the saying "you gotta pay to play" comes in here?
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  #16  
Old 08-04-2008
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where abouts are you in Texas
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  #17  
Old 08-04-2008
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Broken teeth off of the pinion gear? Maybe broken spiders. Pull your carrier and find out. If its a broken pinion, I would probably look for a new axle (depending on the shape of the components).
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  #18  
Old 08-04-2008
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I can see the top of the pinion and it looks ok, I may pull it apart more later. The spider gears are all bad, they all have chunks of the teeth gone and are worn down. I would rather get a new axle then deal with it to tell you the truth.

k.blakeley, im in bay city so im pretty far away.
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  #19  
Old 08-07-2008
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An easy one. Pull the carrier and shims and replace your spiders. Heck of a lot easier than replacing the whole axle (unless you have a spare that you have set up). Pretty easy, but see if you can get a dial indicator and stand and take a backlash measurement off the ring gear. You may not have to if you have the stock ford shims and you mark which side of the carrier that they are on. Good luck in what ever you pursue.
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  #20  
Old 08-07-2008
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im just going to get a new axle, I already ripped that one out. I have found a place that has the exact same rear and a couple 8.8s so im going there tomorrow to either get an 8.8 if they have the right one for a good price and if not then ill be bringing home the 7.5.
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  #21  
Old 08-07-2008
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sucks dude, how often you should be changing the differential fluid in your axels? I wonder if mine has ever been done but my truck only has 67k on it so its not even really broken in yet.. also how do you go about changing that fluid anyways? that stuff looks like oil or is it oil? ive always wondered this... any help would be nice and good luck dude hope you get that thing fixed!
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  #22  
Old 08-07-2008
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30k is whats recommended or general rule or thumb as far as i kno. . .course if u play in mud change it sooner. . . this is y i have a whole spare 8.8 layin round. . .
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  #23  
Old 08-08-2008
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I offroad mine and it has 176-177 miles on it like said above so mine is probably worse then ones with fewer miles and little offroading.

There is differential fluid that you put in it, and its not black when new.
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  #24  
Old 08-13-2008
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Icon14

Well I found an axle exactly the same as the on I have now in houston. I went and got it brought it home, took the diff. cover off and there were some chips int eh spider gears. I took that axle back and got my money back.

I found another axle in houston that is a 8.8 for $300 out of a 2wd 2002 edge with I think 100k miles (cluster was messed up so hard to see). I took the cover off that one at the yard to see what it looked like and it look great so I brought it home. I plan to start the install in the morning.

Going to feel good driving the truck, been a week without it.
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  #25  
Old 08-13-2008
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man I got 156,000 on mine I should start thinking about getting my differential oil changed. glad you found another axle good luck putting it in.
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