ESOF problems
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Senior User
Joined: Dec 2005
Posts: 126
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From: NJ
ESOF problems
2006 SD PSD and the ESOF has not worked in some time. Been getting out and turning the hubs manually but they became too stiff so I recently replaced them.
Searched to find the vacuum leak to get the ESOF working again. Everything checked out fine using the Mighty Vac until I got to the right hub which will not hold vacuum. I can here it leaking in the hub every time I pump the Mighty Vac.
Researching earlier I Found a great write up but it's on a 2002...is the 2006 similar?
Welcome to guzzle's 4x4 Needle Bearing Maintenance Web Page
Do I only need to replace the yellow hub/knuckle O-ring or is there more while I have it apart? Only want to do this once. Thanks!
Searched to find the vacuum leak to get the ESOF working again. Everything checked out fine using the Mighty Vac until I got to the right hub which will not hold vacuum. I can here it leaking in the hub every time I pump the Mighty Vac.
Researching earlier I Found a great write up but it's on a 2002...is the 2006 similar?
Welcome to guzzle's 4x4 Needle Bearing Maintenance Web Page
Do I only need to replace the yellow hub/knuckle O-ring or is there more while I have it apart? Only want to do this once. Thanks!
Postmaster
Joined: Jan 2005
Posts: 4,424
Likes: 12
From: BC Canada
There is an o ring on the inside and a gasket on the outside. The both need to be replaced. Be sure to lube the o ring properly. Check out the tech folder, there is a write up. It's the top subjects in this forum.
Lead Driver
Joined: May 2014
Posts: 6,545
Likes: 13
From: Virginia Beach VA
Three parts, bearing o-ring, hub o-ring and the axle seal that seals around the stub axle. All can be had at Advance Auto, buy online and use code trt30 and save 30%. The axle seal takes a special tool or you can make one from a piece of PVC.
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