Time to change the U-joint!?
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New User
Joined: Dec 2002
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From: Canada
Time to change the U-joint!?
Hello, bought a used 96 Ranger XLT 4.0 4x4, 130,000k's
Put 3,000k's on it and I have a knock in the front right. If I come out of 4x4 and back up in 2wd to unlock the auto hubs, then drive away, all is fine, but when I stop and turn (90 degrees) then straighten up I have a knock/rattle from the front/right side, it eventually goes away with speed. At highway speed it seems perfect.
It's somewhat irregular. Think it's a u-joint? or something else expensive?
Never replace a u-joint before, but the Haynes manual makes it look like an average job. Just curious if this is common on these trucks or if I lucked out?
Wonder if the auto hub is possibly sticking and not fully disengaging?
Any ideas/feedback would be grealy appreciated!
Thanks,
AJ
Put 3,000k's on it and I have a knock in the front right. If I come out of 4x4 and back up in 2wd to unlock the auto hubs, then drive away, all is fine, but when I stop and turn (90 degrees) then straighten up I have a knock/rattle from the front/right side, it eventually goes away with speed. At highway speed it seems perfect.
It's somewhat irregular. Think it's a u-joint? or something else expensive?
Never replace a u-joint before, but the Haynes manual makes it look like an average job. Just curious if this is common on these trucks or if I lucked out?
Wonder if the auto hub is possibly sticking and not fully disengaging?
Any ideas/feedback would be grealy appreciated!
Thanks,
AJ
Elder User
Joined: Nov 2002
Posts: 594
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Time to change the U-joint!?
put everything in neutral on level pavement (block the tires), and get under there and grab the driveshaft and give it a good wiggle. If it is nice and tight, its not your joint.
Just remember when changing u-joints, not to *crank down* the retaining bolts on the straps, or else buy girdles if you like to over tighten everything. Chiltons should offer torque specs for this that should be followed. If not, then use locktight and tighten as much as will not crush the bearings.
Just remember when changing u-joints, not to *crank down* the retaining bolts on the straps, or else buy girdles if you like to over tighten everything. Chiltons should offer torque specs for this that should be followed. If not, then use locktight and tighten as much as will not crush the bearings.
Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
Time to change the U-joint!?
>I come out of 4x4 and back up in 2wd to unlock the auto
>hubs, then drive away, all is fine, but when I stop and turn
>(90 degrees) then straighten up I have a knock/rattle from
>the front/right side, it eventually goes away with speed. At
>highway speed it seems perfect.
Does that mean after backing up & unlocking, THEN you come to a stop & turn, THAT's when it starts knocking?
Or does it mean you shift out of 4 but DON'T back up and then you stop & turn and it knocks?
>hubs, then drive away, all is fine, but when I stop and turn
>(90 degrees) then straighten up I have a knock/rattle from
>the front/right side, it eventually goes away with speed. At
>highway speed it seems perfect.
Does that mean after backing up & unlocking, THEN you come to a stop & turn, THAT's when it starts knocking?
Or does it mean you shift out of 4 but DON'T back up and then you stop & turn and it knocks?
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