Pump under the hood
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Tuned
Joined: Sep 2011
Posts: 348
Likes: 1
From: Owensboro, KY
Pump under the hood
What is the pump thing under the hood on the passenger side fender right in front of the blower fan motor?
I have never really noticed it running until today on a cold start after it sAt for Few days.
I have never really noticed it running until today on a cold start after it sAt for Few days.
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
The vac resevoir lost vacuum wihile sitting. It is auto start with a vac sensing switch.
More Turbo
Joined: Mar 2011
Posts: 683
Likes: 1
From: cincinnati, oh.
mine also seems to run alot while i'm under the hood, key on. should it shut off after so long? and does it control the blower motor swith in any way. that just recentely started to only work on high. thanks
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
Blower motor switch is purely electrical.
More Turbo
Joined: Mar 2011
Posts: 683
Likes: 1
From: cincinnati, oh.
also, which one do you think would be the first to go bad, the switch or the resistor.
looks like my to do list is growing when i get her in the garage
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
If the blower motor only runs on high it is most likely the resistor or bad connection at the resistor for lower speeds. On high the resistor is bypassed.
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More Turbo
Joined: Mar 2011
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Laughing Gas
Joined: Aug 2008
Posts: 823
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From: Dallas, Oregon
Check the connector plugs at the resistor. They often get overheated and rusty. Then they won't pass current, or worse yet, get very hot and melt things.
If you put a new resistor in and reuse rusty connectors, the new resistor won't last long.
P.S. - Hi Robin. I've been out of touch for a while and it is nice to see you're still here!
If you put a new resistor in and reuse rusty connectors, the new resistor won't last long.
P.S. - Hi Robin. I've been out of touch for a while and it is nice to see you're still here!
Last edited by JockD; Dec 1, 2012 at 04:02 AM. Reason: Add P.S.
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
Backatcha Jock. Until just a couple months ago I was off the forum for several months.
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