Jaguar XJ8 Heater Not Working

After Around 30 Mins Of Driving The Fan Speed Increases To Max And Only Cold Air Flows, Before That It Seems Ok. Changing Any Of The...

The Heat Pump And Valve Have Been Replaced And The Heater Core Was Reversed Flushed ($$$$$$$ Ouch). When The Car Is Started At Below...

My Heater Is Only Working At Higher Hwy Speeds Have Had The Coolant System Checked And Purged But Still Same Issue

Dear Sirs I Have A 99 Xj8 That Runs Perfect Except For Some Reason No Heat At Idle Or When Stopped At Light. Highway Speeds Have Heat??...

I Have No Hot Air In Low Speed Or Idling. But Hot Air Comes Out On Motor Way Driving Or High Rev Driving. I Have Changed Thermostat Already...

Heater Problem 1998 Jaguar Xj8 V8 Wheel Drive Type Unknown Automatic 118000 Miles Where Is The Thermostat On A 1998 Jaguar Xj8