Have had the heater core replaced 3 times. Still have the same leaking problem in passager footwell. What does it take to fix this and how much?
SOURCE: how to remove heater core
Is a typical case, but we can use like a general method:
First remove all the water from your system by
draining the radiator, it's best to do it this way so you can add new
coolant and keep the mess to a minimum, after your water is drained, go
ahead and remove the heater core feed lines.
Make sure that after you have installed
everything and you fill your system with water, slide your heat temp
control to full heat the check everything for leaks!
For the specific case, Grand Cherokee, check this info, maybe the answer are in there: ZJ Secc 24 Heating and Air Conditioning (Page 41 and Next)
Good luck!!!
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 grand cherokee motor knock 4.7 motor
First, if the noise is from the upper part of the engine and is more of a tapping than a knock, likely you have a problem in the valvetrain, most often a bad lifter or worn rocker arm. If the noise is low, deep inside, the noise is from a bearing. This is generally accompanied by lower than normal oil pressure. Regardless of the underlying cause, correcting the cause will not stop the knock. To do that correctly, the engine needs to be removed and all crankshaft bearings and the crankshaft itself need to be replaced (crank can sometimes be "undercut" and thicker bearing shells can be used depending upon the amount of wear.) If caught very early, sometimes only one bearing can be replaced in-car, but in 99% of all cases I have ever seen, most will fail again, sometimes more severely if done this way.
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SOURCE: heater core leak in 2002 Jeep Grand Cherokee Ltd
I have 2000 jeep grad cherokee. I have noticed some radiator leak once a while, then was increasing and the light was going on every 3 days or so. So I added STOP LEAK and it did stop, but now the heater is blowing cold air...How can fix this problem? Thank you.
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