Clunk and play in driveline
#1
05-17-2016, 01:58 PM
Join Date: May 2016
Location: Southern Maryland
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Clunk and play in driveline
Hi folks, I recently picked up a 2006 Navigator and will be tackling putting and new seal and gasket on the rear diff this weekend or next due to a small leak on the pinion seal, and figured I should address the driveline clunk and play I've noticed, while I have the driveshaft out.
It's mainly only noticeable when decelerating and accelerating again, and after the vehicle is placed in park on an incline. I sometimes notice it when going from Drive to reverse and vice versa. I noticed a lot of Expedition and F-series owners on here speaking of the slip joint needing re-greased, but apparently the IRS uses 2 U-joints and no slip joint. The mechanic that did my state inspection claimed that the U-joints were good, but I'm taking that with a grain of salt considering he neglected to notice that my parking brake doesn't hold worth a darn.
Are there any other components that typically are the culprit, or is it safe to assume the truck is in need of 2 new U-joints? The truck has 122,000 miles on it, by the way. Thanks everyone!
-Andrew
It's mainly only noticeable when decelerating and accelerating again, and after the vehicle is placed in park on an incline. I sometimes notice it when going from Drive to reverse and vice versa. I noticed a lot of Expedition and F-series owners on here speaking of the slip joint needing re-greased, but apparently the IRS uses 2 U-joints and no slip joint. The mechanic that did my state inspection claimed that the U-joints were good, but I'm taking that with a grain of salt considering he neglected to notice that my parking brake doesn't hold worth a darn.
Are there any other components that typically are the culprit, or is it safe to assume the truck is in need of 2 new U-joints? The truck has 122,000 miles on it, by the way. Thanks everyone!
-Andrew
#2
05-17-2016, 08:31 PM
You're confusing the slip joint with a cardan joint. You don't have the cardan joint but you do have the slip joint. The slip joint is just the part of the driveshaft that slides into the back of the tranny or transfer case. That aside, the clunk can just be worn u-joints.
#3
05-18-2016, 06:44 AM
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#4
06-14-2016, 10:58 PM
#5
06-01-2021, 10:31 PM
Just to confirm, I ultimately used a 12pt 12mm closed end wrench on my 2006 Ford E350. It took some force to get those bolts off.
This was after I ordered a swivel impact socket that worked on the first bolt and then stripped on the inside of the socket when I tried the next. Luckily the bolt did not get stripped.
Piece of junk, sent it back...
Question: if you need to have the driveshaft out, is there a plug you can buy to insert into the rear of the Trans so it does not leak?
Can't seem to find anything, thanks!
This was after I ordered a swivel impact socket that worked on the first bolt and then stripped on the inside of the socket when I tried the next. Luckily the bolt did not get stripped.
Piece of junk, sent it back...
Question: if you need to have the driveshaft out, is there a plug you can buy to insert into the rear of the Trans so it does not leak?
Can't seem to find anything, thanks!
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