I have a sloshing noise behind the dash, and smell of antifreeze outside the vehicle. I am replacing the water pump this week, and floor boards are not wet, so I don't believe it's the heater core.
SOURCE: Brief antifreeze smell in Jeep
Make sure the cooling system is clean with fresh coolant when u change the core, otherwise u may damge the new core becuase your coolant is worn out, if your Jeep has over 60,000 it should be done anyway, also I recommend at least a new upper radiator hose while it is drainned and inspect the other parts of the system.
SOURCE: 2000 jeep grand cherokee v8/heater core
Yes it's the heater core, It's a complicated diy job and unless you are an experienced mechanic you are going to need a good workshop manual for the job.
Best of luck.
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SOURCE: Heater Core replacement
yes you do have to disconect the a/c system.google dash removal for jeep.hope this helps
SOURCE: 2001 jeep cherokee- had the heater core replaced
Sounds to me like the heater core is leaking again. If you're smelling antifreeze and the window fogs up then you're getting coolant into the heating system. Most likely cause is leaking hose to heater core or the heater core it's self.
SOURCE: 1996 jeep grand cherokee blower works but no heat
Since your blower is working and it is a heat issue,thats where we'll
start,First thing is have you checked the coolant level in the radiator when
engine is cold,make sure it is filled to top,next verify you have coolant in
reserve ,Start your van and get it up to normal operation temperature,If your
heat gauge on the dash works correctly it should be 190 degrees,Now lift the
hood and locate the two heater hoses going into the heater assembly at the fire
wall,Both hoses should be hot to hold on to,if both are hot and no heat inside
your problem will be the blend air door in heater assembly.
if neither hose
is that hot you need to replace the thermostat in the engine to get it up to 195
degrees.
if one hose is hot and one is luke warm then the heater core is
blocked and to blame. hope this helps you.
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