TD5 Discovery : Is this a blocked heater matrix?

[anonymous-user]

[redacted]

[Steve_D]

If there is no valve in the system then it sounds like you have a big job ahead.
To be sure I would ask this same question on the LR4x4 forum which is full of people who know that specific vehicle inside out and will also be able to advise if there are any shortcuts.

Steve

[thong]

There is NO valve in the heating system.