Awsome Group
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Freshman User
Joined: May 2008
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Awsome Group
You guys are awsome. I spent the day in the garage with all the replies from this forum. Everyone I used worked out great. I now have 4x4, Airbag light is off, tomorrow I'm going to try the power lock fix. Thanks Everyone. One more thing, any suggestions on finding vacuum leak for auto lock hubs. I'm not very good at diagnostics. Can fix anything just can't figure out what needs to be fixed.
Post Fiend
Joined: Jun 2006
Posts: 9,714
Likes: 2
From: White Mnt's,New Hampshire
most common place to start is at the wheels and work your way back to the pump...turn key on so the vac pump can be heard but not start the truck..listen for air...or you can use a air hose and blow into the lines and listen for leaks...use low air PSI..dont want to blow the seals in the hubs...
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
One thing that'll drive you nuts with the vacuum ESOF hubs is the solenoid itself.
You can get a vacuum leak at the solenoid which is not attributable to the vacuum lines, hubs, seals, etc.
Good luck with it...
Also, when you say "vacuum leak" do you mean the heater goes to defrost when you hit the switch, or do the auto hubs just not work?
You can get a vacuum leak at the solenoid which is not attributable to the vacuum lines, hubs, seals, etc.
Good luck with it...
Also, when you say "vacuum leak" do you mean the heater goes to defrost when you hit the switch, or do the auto hubs just not work?
