Vacuum Pump
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New User
Joined: Sep 2009
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Vacuum Pump
What’s the spec on the 6.9L F250 Vacuum pump? Mine is only pulling 5 in/Hg at idle, and maxes out at 15 or so WOT.
If it's bad, which is my suspicion, anyone have a good lead on rebuild kits. Cost is the name of the game, and I don't want to spend $150 for a new pump.
If it's bad, which is my suspicion, anyone have a good lead on rebuild kits. Cost is the name of the game, and I don't want to spend $150 for a new pump.
Elder User
Joined: Dec 2007
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From: woodville, tx
if the vac pump is going bad, you would be able to tell in the brakes, they will be almost impossible to use, if your a/c blower system has a recirculate setting, it should be controlled by the same vac system, if it has enough pressure on it you can hear and feel a difference in air volume, and i believe it was said when mine went out, that a lot of these trucks the entire blower system for the ac was controlled by the vac pump...
Post Fiend
Joined: Jan 2005
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Assuming you have no vacuum leaks then the pump is bad. Should be around 20in vacuum at idle.
If you keep the vacuum gauge on does it hold the vacuum with the engine off?
Don`t know about repair kits but rockauto has reman pumps for around $90 plus core.
If you keep the vacuum gauge on does it hold the vacuum with the engine off?
Don`t know about repair kits but rockauto has reman pumps for around $90 plus core.
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i disconnected the pump from the rest of the system, so there is only one hose from the pump to my gauge, and no, the pressure does not remain when the engine is off. Thats the cheaest I've seen so far, so that could be a good option other than the junk yard, thanks.
Senior User
Joined: Mar 2008
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From: Jupiter
where is this at I have heard this before and couldnt find it on mine. Do you need to remove it to fill it?
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