SOURCE: 94 jeep wrangler overheating
Have the cooling system pressure tested. If it holds pressure, that's a good thing. If it doesn't hold pressure, you may have a leaking head gasket. What may be happening is the crack in the head gasket could be blowing hot air into the cooling system causing it to overheat.
SOURCE: HEATER CORE REPLACEMENT!
I have a 1993 Jeep Wrangler YJ...My heater core needed replacement when I bought it about a year ago. I made the mistake of taking apart the dash to get to the heater core. DO NOT DO THIS!!! It is actually 4 screws that you must take out from the inside of the engine compartment on the firewall. Then it will come right out. Have fun!!!
SOURCE: 2000 Jeep Wrangler heater core
When I drive my 2000 Jeep Grand Cherokee I can hear water. I was told to blow out the lines of the heater core with a compressor. Where is the heater core located?
SOURCE: how do I replace a heater core on a 1998 jeep wrangler
An addtion to the above Check to be sure the radiator level is full first.
SOURCE: How do you bypass a heater core on the 2000 Chevy
Yes it can be done. look at your engine on it there will be two heater hoses coming from the engine to the heater, disconnect those two heater hoses at engine, with heater hose and two hose clamps, get the hose and clamp first at auto parts, install one end and the other end of same hose, where you disconnected the heater hoses from the engine, you have just by-pass the heater, hope this was very helpful.
Testimonial: "Okay great thanks. I'll have to find a T, not much luck when I looked at Auto Zone or O'Reilly"
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