Cold heaters, Squirting water from header tank!?!

blackrandomapple

New Member

Posts

283

• Sep 15, 2009

• #1

Evening all,

After a painstaking day of working on disco trying to find out what is wrong,
All that happens is i fill her up with water and bleed system then i drive for 10 mins and it spits all the water out from header tank,
Heaters are also cold!

Any help please!

Thanks in advance

 

A

andy625

New Member

Posts

12

Location

st annes

• Sep 15, 2009

• #2

read something like this in a mag it turned out to be the pressure relief valve in the header tank cap had fallen apart so the pump pressure just blows all the water out

 

thebiglad

Well-Known Member

Posts

7,387

Location

Central France

• Sep 15, 2009

• #3

blackrandomapple said:

Evening all,

After a painstaking day of working on disco trying to find out what is wrong,
All that happens is i fill her up with water and bleed system then i drive for 10 mins and it spits all the water out from header tank,
Heaters are also cold!

Any help please!

Thanks in advance

Click to expand...

You don't say what vehicle/year/engine it is, so only general comments can be made but it sounds like you might have an airlock, somewhere adjacent to the heater.

 

fanatic

RESPECT IS EARNED, BEATINGS ARE FREE ;-)

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Posts

38,813

Location

Various

• Sep 16, 2009

• #4

or head gasket failure

 

[email protected]

New Member

Posts

72

Location

Pretoria, South Africa

• Sep 16, 2009

• #5

My TD5 Auto started to lose water over a couple of days. Had her pressure tested and Co2 tested - all fine. Replaced the header tank cap and promptly lost a litre of water in 176km. 2nd cap proved to be faulty so it was replaced again. since then no problems until I sold the truck.

 

blackrandomapple

New Member

Posts

283

• Sep 16, 2009

• #6

Its a landrover discovery 1995 es 300tdi!
I dont mind if i have to replace head gasket i just dont want to replace it for no reason!

 

blackrandomapple

New Member

Posts

283

• Sep 16, 2009

• #7

ok this is wierd. . . i have just replaced the header cap for a new one and all seems ok, bearing in mind i have only drove about 5 miles. . .

The only difference is the cooling system is pressureised?!? is that normal?

It couldnt be that simple!! Could it?!?!

 

B

bigdenbailey

Active Member

Posts

213

Location

Wherever Im damn well told to be!

• Sep 16, 2009

• #8

Generally, cooling systems are designed to be pressurised to approx 13psi. By pressurising the system it increases the boiling temperature of the coolant keeping it liquid state for longer. Liquid cools your engine. Steam does nowt.