LOOSING WATER HELP!!!

[VR6_ROB 0]

hi all need some advice before i rip my engine apart

 

i have a 2.9 vr6 engine in a mk2

its been in just over a month

 

now when i drive steady the water level is great does not move

 

but if i drive it hard its loosing water i cant see any leaks anywhere

but i noticed the hoses go really hard full of pressure

 

i been told it could be headgasket issue?

 

the oil and water are not mixing so i was just wondering if it could be something

stupid or if anyone has come across this

 

help would be appreciated

cheers

rob

[Supercharged 2]

If the top hose it rock hard (you can't squeeze it) then could be head gasket... need to get the pressure read...

[VR6_ROB 0]

where do i get the pressure read any garage? , i cant squeeze the pipe

[mattkh 0]

Hi

When was the plastic thermosat housing last changed.

[VR6_ROB 0]

it was changed few weeks ago

 

but it was leaking before it happened

 

when i changed the thermostat i took the old housing off and it was all cracked and split

and they was no thermostat inside no wonder engine took ages to warm up

 

no leaks coming from it now though

[jack 0]

Hi I had a similar problem with my VR6. I got a pressure check done and it turned out to be the radiator. I couldn't see the leak as the water was coming outas steam. Have a look at your radiator if you are using a coloured coolant (mines was pink) you will see traces of it on the mesh part of the radiator.

[mattkh 0]

Hi

The other place is the auxilary electric water pump.

[VR6_ROB 0]

ill check the radiator ill put some coolant in see if i see anything

 

i have changed the thermostat housing as it was cracked

 

i also changed the auxilary electric water pump as it leaked from there before

 

thanks for the help ill keep you updated

[Rob Heath 0]

If your thinkin it may possibly be the hg, go to a local garage and they can 'sniff' in your header tank to tell if the hg is gone

 

Does it put alot of white smoke out the exhaust??

[gogsboy 0]

If your thinkin it may possibly be the hg, go to a local garage and they can 'sniff' in your header tank to tell if the hg is gone

 

Big if, surprise you how many garages don't have these testers, VW dealers dont and all others I called never had bar one.

[VR6_ROB 0]

hey all my samcos turned up last week

 

fitted them yesterday and they is no more leaks and the pipes are not rock hard now

i can squeeze them

 

the car does not smoke only a little on a morning when its stone cold

was fine this morning strange i thought

 

just keeping a eye on the water now topped it up this morning as it had dropped a little

but that was due to refillin it needed to get into the system

[12 DEG BEN 0]

I had a vr in a mk2 and the problem I discovered was the expansion tank I used was too small. It was round rather than a vr's which is more egg shaped. Didnt know that till later. Anyway when I used it hard the expansion tank would cough out water when I turned it off, Unknown to me and then I would check It later on the volume would be down. Sorted with a bigger tank. Also the hoses felt harder with a smaller tank. maybe more pressure caused by the small tank.