Changing the heater core requires complete removal of the dash panel and plenum box. To do this you have to remove the steering wheel, steering column, evacuate and recharge the refrigerant system and drain the radiator. I would only consider changing the heater core if it is physically leaking into the passenger compartment. If the problem is heat transfer to the HVAC system only, the problem is more likely with the blend doors. Check heatertreater.net for pictures and diagnostic information.
I believe the dash has to come out any short cuts would be to cut stuff open not too pretty
The Jeep Grand Cherokee did not come out until 1993. It used a 5281090 Mopar filter.
No.
Probably not smoke. Your heater core may have a small leak and the "smoke you see is actually steam.Had a similar problem with an F-250 P/U. Cost about $100.00 parts and labor. But that was back in the day...
Means that your heater core is leaking coolant. Has to be replaced.
Please, rephrase the question. You say you have a 1989 Jeep Grand Cherokee, but the Grand Cherokee did not come out till late 92, but was considered a 93 model. If what you really have is a 1989 Cherokee, we need to know the motor size. The rest we can look up and give you the best answer possible.
yesyes
the jeep grand cherokee, jeep patriot, jeep commander
Typical 6.5"(4) speakers come stock with most jeep grand Cherokees....
No, they are part of the headlight assembly.
no it's mounted on the left side in the back.
Heater CORE, not coil. The core is plugged and needs back flushing or replacement.