The heater valve in these cars can eventually stick. I was told by someone in the know to keep adjusting the temperature regularly and not just to leave it on one temperature all the time.
Heater valve “preventive maintenance”
information, tech, specs, news and reviews for the MG ZT and Rover 75 classic cars including repairs, servicing, upgrades and the diy modifications on my own MGZT. I am no expert on these cars just a keen enthusiast ….. and I hope this collection of posts will be of interest to others with a similar interest
MG ZT info mods and maintenance 