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[moggy]

Hi guys just a quick question.On Monday this week my coolant check light came on.I took the top off the tank and it was empty,i put in about a liter just to the line on the tank.This morning it was empty again,the thing is no sign of any water on the floor or engine.I even left it running for fifteen minutes when i got to work,looking under the car and in the engine compartment.Its been sound since daz and pete did my cam belt change 18 month's ago.Any advise much apreciated Moggy 

[JamesV6CDX]

Is it around the 1998 mark??

[kcl]

HBV is a good candidate as it leaks at the back of engine and coolant runs to hot exhaust so nothing will end up on the floor. Does it smell like that?

[twiglet]

Heater Bypass Valve? 

[moggy]

Is it around the 1998 mark??

James date of first registration 1995,whys that mate

[JamesV6CDX]

98 models had some problems with the NS head gasket leaking in rear corner

It's not that common, but can happen on any model with poor coolant servicing

Yours likely to be much more simple 

[Entwood]

Header tank cap / neck   cap has a relieve valve in it that can fail.. neck can develop hairline cracks .. either will drop the pressure and cause the coolant to "boil"   ie .. evaporate....  much faster.

[moggy]

HBV is a good candidate as it leaks at the back of engine and coolant runs to hot exhaust so nothing will end up on the floor. Does it smell like that?

Kcl there is a bit of a funny smell, but i cannot describe it mate.BTW its not the wife

[kcl]

HBV is a good candidate as it leaks at the back of engine and coolant runs to hot exhaust so nothing will end up on the floor. Does it smell like that?

Kcl there is a bit of a funny smell, but i cannot describe it mate.BTW its not the wife

My money is still on the HBV. You might even be able to see it with plenum and scuttle on 

[moggy]

98 models had some problems with the NS head gasket leaking in rear corner

It's not that common, but can happen on any model with poor coolant servicing

Yours likely to be much more simple 

James,should i have changed the coolant in the last 18 months :-/

[moggy]

HBV is a good candidate as it leaks at the back of engine and coolant runs to hot exhaust so nothing will end up on the floor. Does it smell like that?

Kcl there is a bit of a funny smell, but i cannot describe it mate.BTW its not the wife

My money is still on the HBV. You might even be able to see it with plenum and scuttle on 

Kcl,where abouts is it

[RobG]

HBV is a good candidate as it leaks at the back of engine and coolant runs to hot exhaust so nothing will end up on the floor. Does it smell like that?

Kcl there is a bit of a funny smell, but i cannot describe it mate.BTW its not the wife

My money is still on the HBV. You might even be able to see it with plenum and scuttle on 

Kcl,where abouts is it

http://www.omegaowners.com/forum/YaBB.pl?num=1193594464

[kcl]

HBV is a good candidate as it leaks at the back of engine and coolant runs to hot exhaust so nothing will end up on the floor. Does it smell like that?

Kcl there is a bit of a funny smell, but i cannot describe it mate.BTW its not the wife

My money is still on the HBV. You might even be able to see it with plenum and scuttle on 

Kcl,where abouts is it

That should give an idea http://www.omegaowners.com/forum/YaBB.pl?num=1181719948

[chrisdb]

Hmm... with the strange smell my money would be on the heater matrix. Check if your front carpets are soaked.

[moggy]

Hmm... with the strange smell my money would be on the heater matrix. Check if your front carpets are soaked.

Thanks Chris i wiil check in the morning