Question about 1998 Jeep Grand Cherokee

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1999 Jeep Grand Cherokee leaking liquid on front passenger floor

A year ago I starting having this problem. I had the hose clipped to stop the leaking. It worked. The mechanic said the heater would not work any longer. I did not care I was living on Maui at the time. Now in the Northwest and have spent a lot of money to get the heater working again. Howvever, the leak is back now. The mechanic here does not seem to think it has anything to do with the heater core. I have brought it back to him several times and he can not seem to fix and. Am I crazy to think that the leaking is a result of a poor job in putting in the new heater core? I am so tired of bringing this back out to him and yet I want it fixed and do not want to spend more money on this by having to go to someone else (even though I think that is what I may have to do)
Is this associated with the heater core or is it something different?
I will welcome any kind of feedback!!
Frustrated in Seattle

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OK, you had a heaqter core leak (verified by disconnect & bypass) then you had a new one installed. Now you have a leak in the same place...Only two reasons it gets wet on the floor there. 1. heater core is leaking. 2. A/C drain is plugged. If the stuff on the floor is antifreeze it will have a slightly oily feel to it and you will be loosing coolant from the engine. If not, check the small hose stub that sticks out of the firewall on the passenger side about even with the botom of the heater box on the engine side of the firewall) If that's plugged, use your finger or something soft to clear it (no scredrivers etc or you can dmaage internal heater parts) Only other possibility would be that there is a windshield / body leak allowing rain etc to enter.
If it is the heater core, it may be defective, improperly installed & damaged, or there may be a screw somewhere that is causing a wear hole to form that went unnoticed, that may have caused both leaks. Doing the heater core is a time intensive job so I understand why the shop does not want to go there again but if it's leaking the have to do it!
Good luck with your car and post back if you need more help on this.

Posted on May 20, 2009


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