Jaguar Repair Questions? Ask a Mechanic for Answers ASAP
Hello and welcome to Just Answerthis sounds like there's air trapped in the heater matrix to me
they are prone to clogging up on these car's anyway
so I'd suggest the next step is to locate the two heater exit pipes in the engine bay bulkhead and disconnect them both ( you will need to cap them or allow them to drain on the engine side
then use a garden hose to flush the heater matrix through with fresh water, flush in the reverse direction so put the hose onto the pipe that runs back to the radiator / header tank and leave the engine connection open to flush out
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