Vacuum Pulse Solenoid
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Freshman User
Joined: Feb 2004
Posts: 28
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From: Indianapolis
Vacuum Pulse Solenoid
Does anyone have good pictures, repair guide/drawings of the vacuum pulse solenoid, and the vacuum lines leading to the hubs?
Trying to do as much research on this, before I go diving in!!
Thanks!!!
2001 F250SD V10 4x4 w/auto lock hubs
Trying to do as much research on this, before I go diving in!!
Thanks!!!
2001 F250SD V10 4x4 w/auto lock hubs
Lead Driver
Joined: Sep 2007
Posts: 8,180
Likes: 669
From: Scio, OR
I can probably find a picture or diagram of the PVH solenoid if you need one, but there is no diagram of it's internals. It's not considered a repairable part. You just replace it.
I've never been able to find a complete vacuum diagram, but it's pretty simple. A vacuum line coming from the intake manifold goes to a reservoir with a line going to the HVAC and another going to the PVH solenoid. A line comes off of the solenoid and goes down to the axle, where it T's and goes to each hub.
I've never been able to find a complete vacuum diagram, but it's pretty simple. A vacuum line coming from the intake manifold goes to a reservoir with a line going to the HVAC and another going to the PVH solenoid. A line comes off of the solenoid and goes down to the axle, where it T's and goes to each hub.
Junior User
Joined: Feb 2011
Posts: 92
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From: Central California
I just got done troubleshooting my ESOF. See these two links:
https://www.ford-trucks.com/forums/1...l#post10071073
https://www.ford-trucks.com/forums/1...l#post10019828
https://www.ford-trucks.com/forums/1...l#post10071073
https://www.ford-trucks.com/forums/1...l#post10019828
Lead Driver
Joined: Sep 2007
Posts: 8,180
Likes: 669
From: Scio, OR
The OP has a gas engine, so he won't have the electric vacuum pump, and his reservoir will be different. But everything else you posted is correct. On a gas engine, vacuum is taken from the intake manifold.
Junior User
Joined: Feb 2011
Posts: 92
Likes: 0
From: Central California
Wasn't thinking straight. It should get him going though.
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