The P38 HEVAC system includes blend motors under the dash that mixes hot and cold air. Most likely these or the contacts have failed. Not a job you should try to do yourself so find a speclalist LR shop (not a dealer unless you take out a new bank loan first). Get them to check the heater core and hoses if they need to get that far in - it is a swine of a job and should all be done at the same time
SOURCE: 2008 Landrover LR2, 139,000 miles.
Get the ac refrigerant level checked, if its leaking or refrigerant is low then ac will not cool due to low refrigerant.Other problem can be blend door motor issue.if he bled door is not getting open the it will not cool.when the blend motors fail, you will only get either cool air only or hot air only because the blend can not change the position, it gets stuck in one position.So the motor needs to be checked.
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If all checked out ok, then it can be faulty AC clutch.ts not engaging and causing the problem.If that is the case, then compressor itself has to be checked and inspected.----------
keep updated.Thanks.Helpmech.
SOURCE: right side air flow hot in new range rover
Usually a sign of a blend door problem under the dash. The blend doors direct air thru the heater core and the evaporator core depending on the temp setting on the dash control.
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