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[Charlies Dad]

i checked the hbv, couldnt see any signs of damage or leaks. is it a matter of taking it completly out and just replacing it ? ?

or is it a part you can clean up and re-use ?

[Elite Pete]

Are the 2 rubber pipes that lead to and from the HBV to the heater matrix getting hot?

[Charlies Dad]

one of the pipes, the vacum pipe isnt getting hot but the hose going into it is.

[Elite Pete]

one of the pipes, the vacum pipe isnt getting hot but the hose going into it is.

Just to the left of the HBV 2 pipes go into the bulkhead, check if they both get hot.

[Charlies Dad]

ok will check them in the morning its to dark now, i take it that they should be hot then ? if there not does that mean the HBV might be shot ?

[Elite Pete]

I had a similar problem a while ago on an MV6. I removed the hoses and flushed the heater matrix until the water ran clear.

[Charlies Dad]

I had a similar problem a while ago on an MV6. I removed the hoses and flushed the heater matrix until the water ran clear.

do you mean remove the pipes to the right of the HBV you removed ?

[Elite Pete]

Just to add, if the heater matrix is bunged up then the cooling system has been neglected. I would remove the radiator and fill it with Fernox (central heating cleaner) and leave it over night, then flush it with water

[Elite Pete]

I had a similar problem a while ago on an MV6. I removed the hoses and flushed the heater matrix until the water ran clear.

do you mean remove the pipes to the right of the HBV you removed ?

The 2 pipes to the left of the HBV, the ones that go into the bulkhead.

[Charlies Dad]

when you say remove do you mean remove from the bulk head and let it drain onto the floor ? then re connect aand refill ?

[Elite Pete]

when you say remove do you mean remove from the bulk head and let it drain onto the floor ? then re connect aand refill ?

If you follow this guide to remove the pipes
http://www.omegaowners.com/forum/YaBB.pl?num=1185891036

once you've got them off push a garden hose onto the top pipe and flush until the water runs clear then do the same with the bottom pipe, then reconnect the hoses, refill the cooling system and run the engine with the filler cap off, heater on hot and squeeze the radiator hoses to shift any air, oh and make sure the car is on the level

[Charlies Dad]

thanks elite, last question the garden hoses to i put it into the pipes i have disconnected on into the bulkhead where the pipes were

[Elite Pete]

thanks elite, last question the garden hoses to i put it into the pipes i have disconnected on into the bulkhead where the pipes were

The 2 alloy pipes coming out of the bulkhead

[Charlies Dad]

ok will do it in the morning - so basicall where the pipe was i  put the hose pipe and flush it until the water runs clear ..is that right

[Darth Loo-knee]

ok will do it in the morning - so basicall where the pipe was i  put the hose pipe and flush it until the water runs clear ..is that right

Yes