no heat on 1997 Jeep Wrangler

there is no heat at all

by in West Bridgewater, MA on October 15, 2013
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2 answers 5 comments
ANSWER by , October 15, 2013
I am assuming you mean the heater is not putting out hot air but the blower (fan) is working ok. First have the thermostat replaced then have the heater core flushed. If that don't do it, with the 4.0L engine, it's possible the water pump impeller is worn. Engine tempture in the normal range? Overheating, at all, on extended idle? (Sitting with engine idling for about 20 minutes) does the temp. gauge start to go up? Rev engine up after it's warm, does that help with the heater temp? If yes to any of those questions, have the cooling system flushed and water pump replaced! Verry common problems on this vehicle.
COMMENT by , October 15, 2013
thank you so much. I am new to the jeep world and every little thing helps. with respect christos
COMMENT by , October 15, 2013
You are welcom!
COMMENT by , October 21, 2013
I noticed that two hoses that go to the coil are very hot. I was told if there is heat there than there might be a problem with the coil ( under the glove compartment). Any hints please.
COMMENT by , October 21, 2013
Try flushing the heater core, check out youtube for a video.
ANSWER by , October 15, 2013
start by checking coolant level
COMMENT by , October 15, 2013
thanks.