My Grand Cherokee is leaking coolant fluid

Asked by Jun 08, 2013 at 05:44 AM about the 2002 Jeep Grand Cherokee Limited 4WD

Question type: Maintenance & Repair

Fluid is coming out under the passenger floor board. There is evidence that is also under the dash. Is there a possible fix other than changing the heater core?

3 Answers

232,505

Clogged AC drain. It is located on that side on the firewall.

90,655

You can try an Alumi-seal or Bars-leak cooling system additive, but be careful as it can also plug some smaller ports that you don't want plugged, or you could just disconnect the heater core completely and just loop in supply and return hose back to the engine. This will do away with any heat inside, but eventually you are going to have to replace the heater core.

17,945

if coolant is leaking in the floor its the heater core. If its just water possibly just the ac drain

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