heater problems
hi,can anyone solve my heater problem? 1994 xj40 heater blows hot in footwell but cold at dash level & also at demist, i have checked the upper blend motor but this appears to be working, could the actual blend flap be stuck & how could i remedy this or do you have any other possibilities as to what might be causing this?
Ray |
I think heater core is clogged up .
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thanks for your reply cadillac, i have tried back flushing thr heater core maybe there is still a blockage i removed hoses from bulk head & attached a hose, is there anything else i can do before i buy another 1 ?
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I'm not well versed on the Jaguar heating system, (totally ignorant as a matter of fact), but it seems to me that if the heater core was clogged you wouldn't be getting heat anywhere.
From your description, I would go with your initial diagnosis - that it is a routing problem or blockage rather than a complete lack of heat. |
Originally Posted by raymondo226
(Post 316148)
hi,can anyone solve my heater problem? 1994 xj40 heater blows hot in footwell but cold at dash level & also at demist, i have checked the upper blend motor but this appears to be working, could the actual blend flap be stuck & how could i remedy this or do you have any other possibilities as to what might be causing this?
Ray Good luck, |
I actually had this problem a few weeks ago and it turned out that the left demist flap broke and fell into the upper rotary flap. The flap would turn a little back and forth but not enough to allow heat to get to the upper part of the system.
I pulled the center vent, instpack and passenger veneer panel to get to the center vent vacuum flap fasteners and removed it for access to the broken demister flap. I pulled the broken part out and the rotary flap operated thoughout the proper range. bob gauff |
thanks bob, this could very well be whats wrong with mine, as soon as i get chance i will look into it & let you know.
Ray |
Heater problems
Bob Gauff your the man !!! you were bang on the money, i took the dash a part & found both demist flaps had broke & 1 had jammed in the rotary flap, i removed it & hey presto i have heat blowing out of the top vents, not sure what
problems i might encounter without demist flaps but who cares i have heat !!! thanks a million. best regards Ray |
Good to hear.
I just post what happens to me and sometimes it happens to others. I have the luxury of working on the same cars over and over, so I see some similar faults over the years. Thanks and good luck. bob gauff |
Kudos to you on the positive post on motorcarman , it always pays everyone to see their hints are proven correct , have many happy driving
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this was the same issue i had with the flap. thanks for the help on that.
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Originally Posted by xlegendozwest
(Post 331077)
this was the same issue i had with the flap. thanks for the help on that.
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