think the heater matrix is blocked....

[tunnie]

top pipe into the matrix, very hot (too hot to hold)

bottom pipe cold/luke warm.

(on the V6)

[Marks DTM Calib]

Check the vac and vac hoses....

[tunnie]

Check the vac and vac hoses....

TB removed the vac hose on the HBV as a test, made no difference.

The other vacs i should check are?  :-/

[JamesV6CDX]

With vac pipe off the HBV you should get heat

Also try sucking on the pipe that goes to the hbv and then see if you get heat - or if you can constantly suck, there may be a vacc leak in the cabin not letting the heat in..

[tunnie]

With vac pipe off the HBV you should get heat

Also try sucking on the pipe that goes to the hbv and then see if you get heat - or if you can constantly suck, there may be a vacc leak in the cabin not letting the heat in..

The large pipe into the matrix? gunna need a lot of suck!  

[JamesV6CDX]

With vac pipe off the HBV you should get heat

Also try sucking on the pipe that goes to the hbv and then see if you get heat - or if you can constantly suck, there may be a vacc leak in the cabin not letting the heat in..

The large pipe into the matrix? gunna need a lot of suck!  

No you daftie.... suck on the vac pipe that usually goes on top of the HBV  

[tunnie]

With vac pipe off the HBV you should get heat

Also try sucking on the pipe that goes to the hbv and then see if you get heat - or if you can constantly suck, there may be a vacc leak in the cabin not letting the heat in..

The large pipe into the matrix? gunna need a lot of suck!  

No you daftie.... suck on the vac pipe that usually goes on top of the HBV  

Got ya

[markey mark]

take both pipes off and flush both ways with hose pipe bud did mine last week lovly warm heater again !! do it a good few times till water runs clear !!