There is no need to change blower motors. The TJ heater as indicated above provides a ton of heat. Either there is a problem with the heater core or the blend door which diverts the air across the core.
start by making sure your not low on coolent... also if you stuff a wool blanket in behind the back seat it will stop a lot of air from coming in any cracks around the tailgate. I keep two blankets back there all winter just incase we need 'em.
Thanks! I had to replace the radiator and flushed the heater core then and it seemed clear. Haven't checked to make sure vent is letting air flow acrossed the core. Need to do that. It's just not warm enough.
As I once read somewhere on this forum, 'the Wrangler heater has a direct line to the center of hell'. So, as has been stated, if your heater is working properly, you won't have to worry about trying to boost it's performance. =) I haven't even used our heater yet. Still using the air conditioning. It's hot in the desert!
Yea I was underwhelmed with the heat coming out of my '98, I pulled the two heater hoses off, back flushed with water. Poured a little Prestone radiator flush in there, let it sit for a few, then rinsed with fresh water until clear.....holy crap....it will melt my dash now....HUGE difference.
Awwww think I found the problem. When I changed the radiator out I think there was a air blockage. Now that I've driven it a while and added more coolant it seems to be producing heat. I'll follow up when we have another cold day.
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