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[Kevin Wood]

On my 2.6 omega the electrical water pump does not run checked it manually by battery and it works, does this work of relay or when ignition is on etc or what any help cheers Dave

Same as my 3.2.

If you park it up hot, stop the engine, switch on the climate panel by pressing "auto" and then turn up the climate temperature, you should find it comes to life.

Kevin

[4huftys]

Hi have tried that and there is nothing checked with meter no 12v at all
Cheers Dave

[same #same#]

I will get a pump there is some wires there so will see if the are live and were they go, think can get a pump for a £10 if it works will be great if it works this winter stop fingers and feet feeling forzen

[Kevin Wood]

Climate control needs to be configured using Tech 2 before it will control the pump. Otherwise it does run all the time IIRC.

Kevin

[Kaycee]

sorry to add my tupenorth
I checked my pump mine as never worked well doesnt seem like it works with ign off and auto pressed  blower starts up and  shows 3.5 volts at wires on secondary pump with ign off shows .009 volts i dont think it gets full power at any time the pies are very hot so water is just circulating round would luv to know if there is summat amiss dont want buy another pump just to find its ok.

[jonathanh]

.... seams as the engine takes it  ....

your engine makes the heat  :-? 

i know that but when its cold out side the inside is cold and pipes to rad inside are luke warm and engine pipes are hot. but rest of year all hot.

sounds to me like the Heater bypass valve is plumbed in the wrong way around!

do this ckeck - set the heaters to full heat and start up from cold.  If the matrix is getting luke warm then it is not getting hot water flow - you can check this by feeling the heater matrix pipes in the footwell area

now turn the heater controls to max cold setting - if the matrix pipes turn hot then that's your answer

the point is the HBV should divert flow from the matrix when tem controls are set to fully cold.   

If at some point in the car's history, the plumbing of the valve has been disturbed or indeed the valve has failed - you could get this problem

IMO the electic water pump is not this issue or solution.  my heater works broadly the same whether the electric pump is running or not

[same #same#]

.... seams as the engine takes it  ....

your engine makes the heat  :-? 

i know that but when its cold out side the inside is cold and pipes to rad inside are luke warm and engine pipes are hot. but rest of year all hot.

sounds to me like the Heater bypass valve is plumbed in the wrong way around!

do this ckeck - set the heaters to full heat and start up from cold.  If the matrix is getting luke warm then it is not getting hot water flow - you can check this by feeling the heater matrix pipes in the footwell area

now turn the heater controls to max cold setting - if the matrix pipes turn hot then that's your answer

the point is the HBV should divert flow from the matrix when tem controls are set to fully cold.   

If at some point in the car's history, the plumbing of the valve has been disturbed or indeed the valve has failed - you could get this problem

IMO the electic water pump is not this issue or solution.  my heater works broadly the same whether the electric pump is running or not

hi havechecked and the pipes and matrix is hot, only thing can see is the pipe on the top going in to matrix is 2,1/2 inches higher than the filler bottle?? it has been changed as its got man date 2001.

[zvi]

I have exactly the same problem with the pump. help is welcome.