Side to side slop on 99 ranger 3.73 with LS - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 04-20-2010
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Side to side slop on 99 ranger 3.73 with LS

OK, I am not familiar at all with these smaller solid axles. Everything I've worked on has the full floating style of the bigger trucks, that actually bolt on with a flange at the wheel side.

If I grab my bed, and shake hard side to side you can here a something banging. I jacked it up, and I can pull the the wheel in and out almost a quarter inch. It does this on both sides. Is this normal?
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Old 04-20-2010
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mine does it to i hope its normal lol
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Old 04-21-2010
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Thanks, that relieves my nerves a bit. Still seems odd though.
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Old 04-21-2010
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well ive done alot of research about this since my 4.10 LS does it. Apparently from what ive read is that it is normal. Less the .25" is alright for axle movement. All it is the clutch packs in the LS wearing down and allowing the axles more to move. I was going to rebuild the clutch pack but the LS still works as of now. So i decided against it.
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Old 04-21-2010
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It's not the clutch packs, it's the nature of a C clip axle.

There are C clips that retain the shafts from falling out, and there is always a little play. The crosspin prevents the shafts from pushing in far enough to release the clips. To remove the shafts you take out the crosspin, push the shafts in further, and remove the C clip. Totally normal for a little play.
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Old 04-21-2010
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hmm alright guess i read some bad info. So is there anyway to eliminate this low mph clunk?
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Old 04-21-2010
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Quote:
Originally Posted by [email protected] View Post
OK, I am not familiar at all with these smaller solid axles. Everything I've worked on has the full floating style of the bigger trucks, that actually bolt on with a flange at the wheel side.

If I grab my bed, and shake hard side to side you can here a something banging. I jacked it up, and I can pull the the wheel in and out almost a quarter inch. It does this on both sides. Is this normal?
Dude I have almost more than that, lots of play in my axle. Good thing its parked for 3 months and I don't have to worry about it
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Old 04-21-2010
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Originally Posted by vista4.0 View Post
hmm alright guess i read some bad info. So is there anyway to eliminate this low mph clunk?

Nope. There is an O ring in the machined C clip space on some shafts, but some I've seen do not. I'm guessing the O ring may help damping the movement but not sure. Not much you can do about it as it's in the design.

Some like C clip eliminators and for some reason they have become a fad for some. They offer no strength increase, just the ability to retain the axle in the case of breakage. Drags require them (that's really who they are for, NOT offroad) but thats for safety, not strength.
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Old 04-21-2010
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like it was said b4 its the c clips
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Old 04-22-2010
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Thanks guys, you learn something new everyday. I'm just overly paranoid now of every clunk and rattle after just finishing my head gaskets.
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Old 04-22-2010
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Originally Posted by vista4.0 View Post
hmm alright guess i read some bad info. So is there anyway to eliminate this low mph clunk?
Isn't that clunk from the drive shaft slip yoke needing greased? Or is that only on the older Rangers?
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Old 04-22-2010
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Isn't that clunk from the drive shaft slip yoke needing greased? Or is that only on the older Rangers?
The slip yoke clunk happens when starting the truck from a standstill. Not side-to-side movement.
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Old 04-22-2010
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Yeah that's what I was referring to. He mentioned a low speed clunk. I notice my slipe yoke clunk most of the time when I'm sitting in a long line at a stop sign. Not quite stopped, but coasting and going over and over. At least that's when it makes me the most frustrated.
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Old 04-22-2010
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the low speed clunk im was referring to was going slow over nice size bumps(pot holes and such) Basically its the drum sliding into the backing plate or whatever you call it.
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