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Author Topic: Pump Thing Just Right Of Header Tank, What Is It??  (Read 2347 times)

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MutantCav

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Pump Thing Just Right Of Header Tank, What Is It??
« on: 13 May 2008, 21:40:49 »
Went to start the estate this morning and battery was flat...swapped it over with a charged one...engine off and could hear a buzzing...checked the engine bay and there is a little pump unit to the right of the header/overflow water tank...seems to have pipes running back to the HBV area and forwards to the radiator area...uplugged it and the buzzing stopped...but what does it do? How essential is it???
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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #1 on: 13 May 2008, 21:46:15 »
Cant quite remember the thread Chris.  But the one I am thinking of was a couple of days ago with a fire on the wiring loom.

I remember a pump being mentioned for circulating hot water if that makes any sence.
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Mr Skrunts

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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #2 on: 13 May 2008, 21:50:05 »
 Re: Fire caused by alarm back up battery
Reply #3 - 10. May 2008 at 12:57    I had this problem on my 98 V6. It turned out to be the small water pump on the drivers side inner wing, you know the one that circulates hot water to the heater with the engine off, it siezed up and caught the loom alight before blowing the fuse. Too late by then!  
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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #3 on: 13 May 2008, 21:52:12 »
Another OOF`er told me the pump circulates water through the heater matrix when the engine is off (to warm tootsies when parked-up etc.)......so, as such `doesn`t seem that vital. ;)
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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #4 on: 13 May 2008, 21:52:23 »
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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #5 on: 13 May 2008, 21:53:39 »
Are these pumps kicking in due the the warmer weather?
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MutantCav

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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #6 on: 13 May 2008, 21:56:36 »
Well it seems to be on all the time and draining the battery...so its now unplugged! lol :) Will replace it tomorrow and see what happens...
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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #7 on: 13 May 2008, 21:58:33 »
Quote
Another OOF`er told me the pump circulates water through the heater matrix when the engine is off (to warm tootsies when parked-up etc.)......so, as such `doesn`t seem that vital. ;)

Face lifts only Debs. :y
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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #8 on: 13 May 2008, 22:01:29 »
I wouldnt say its on the wing...its about 3-6 inches to the right of the header tank as you look at the engine bay...will try sort out a picture tomorrow...
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Andy B

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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #9 on: 13 May 2008, 22:10:51 »
Quote
I wouldnt say its on the wing...its about 3-6 inches to the right of the header tank as you look at the engine bay...will try sort out a picture tomorrow...

It's a circ pump to distribute hot water around a hot block to prevent localised over heating when you stop the engine when the engine is ??? deg hot. Mine is at the front of the car next to the radiator passenger side.
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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #10 on: 13 May 2008, 22:11:48 »
Quote
Went to start the estate this morning and battery was flat...swapped it over with a charged one...engine off and could hear a buzzing...checked the engine bay and there is a little pump unit to the right of the header/overflow water tank...seems to have pipes running back to the HBV area and forwards to the radiator area...uplugged it and the buzzing stopped...but what does it do? How essential is it???

As Debs said earlier this pump you are talking about allows the heaters of the car up very quickly instead of waiting for the car to warm up if that makes any sense..
Should imagine if you have now unplugged it your car heaters will take longer to warm up..
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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #11 on: 13 May 2008, 22:12:45 »
Quote
Quote
Another OOF`er told me the pump circulates water through the heater matrix when the engine is off (to warm tootsies when parked-up etc.)......so, as such `doesn`t seem that vital. ;)

Face lifts only Debs. :y

Eh? What have i got to keep my feet warm in my facelift?  :-/
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Andy B

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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #12 on: 13 May 2008, 22:14:54 »
Quote
Quote
Quote
Another OOF`er told me the pump circulates water through the heater matrix when the engine is off (to warm tootsies when parked-up etc.)......so, as such `doesn`t seem that vital. ;)

Face lifts only Debs. :y

Eh? What have i got to keep my feet warm in my facelift?  :-/

You can run your heater for a limited amount of time with the engine off. I have a pre face lift so have no idea what so ever how it works!!  ;D  ;D  :y
Haven't you read the manual? ::)  :y  ;D
« Last Edit: 13 May 2008, 22:15:48 by Andy_B »
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MutantCav

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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #13 on: 13 May 2008, 22:15:14 »
Any thoughts on why it would stay on? Also the engine was cold when it was running...and the heater off...so presumably faulty...would it be a faulty pump or faulty something else?
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Re: Pump Thing Just Right Of Header Tank, What Is It??
« Reply #14 on: 13 May 2008, 22:48:51 »
Tis an Auxillery Water Pump...I had one fail on me and the engine seemed to get too hot, rather quickly. As soon as I replaced it via fleabay, all went back to normal.

I'm no expert...BUT I would assume that if the cars fitted with one...it can only be for a purpose and purhaps not wise to unplug/disconnect it.

At the end of the day ANY "inline" water pump surely must be a good thing.
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