89 Jeep Wrangler Heater Core Removal

The blower motor forces air through the core and into the air duct system allowing temperature controls which enable defrost floor and front vent modes.

89 jeep wrangler heater core removal.

Luckily the heater core and blower motor in a jeep wrangler yj are relatively easy to change. Disconnect cables from heater control panel levers. 2 connect and adjust cables as described in adjustments section of this article heater core r i removal installation cherokee comanche 1 disconnect battery ground. 1997 2001 sahara se sport 4 cyl 2 5l 6 cyl 4 0l.

4874045 core htr heater vehicle specific fits the following jeep wrangler years. Tip if the engine coolant has been replaced recently you can reuse it when you install a new heater core. When your jeep reaches its optimal temperature its thermostat opens and allows that coolant from the cooling system to flow through the engine removing heat and sending it into the radiator then into the heater core which ultimately distributes it into the jeep. I did remove the glove box radio gauge cluster and battery and tray.

Removal is pretty straight forward drain antifreeze and remove heater. Never removing the dash. Removal installation wrangler 1 disconnect cables from vent doors. I did not remove the passenger seat although in hind sight it would have been a little easier.

Just drop out the heater box take the back off change out the parts then put er back together again. The most common cause of heater core problems is neglect cooling systems need to be serviced on a regular. Jeep wrangler heater corepart number. I just thought i would post a few pictures of my heater core replacement and subsequent blower motor upgrade.

Split the heater housing and heater housing cover apart with your hands and pull the heater core out from inside.