I have a 1997 Jeep Cherokee 4.0 sport the car never had a over heating problem, I took the car to a workshop to repair the aircon after this the car started to over heat. I have replaced the raideator
Asked by hennie Aug 31, 2012 at 02:49 AM about the 1997 Jeep Cherokee
Question type: Maintenance & Repair
I have a 1997 Jeep Cherokee 4.0 sport the car never had a over heating problem, I took the car to a workshop to
repair the aircon after this the car started to over heat. I have replaced the raideator, waterpump, clutch fan, temp
sensors, thermostat and the head was taken of pressure tested and head gasket replaced. I still have a problem
with the car over heating and need help please
7 Answers
hennie answered 7 years ago
A relay was replaced and was placed on the out side of the fuse box and a new on /off switch placed in the car for the aircon don't know why this was done. They also replaced some of the metal pipes. Thank you for your help.
Chris answered 7 years ago
you should have a centrifical fan clutch AND a electric fan, the electric fan is responsible for the cooling when the a/c is on it is possible that either the fan is locked up or who ever wired the relay didnt do it right, would be a better idea if the PDC under the hood was replaced. Did the replace the relay a rewire it becasue of a bad connector in the PDC?
hennie answered 7 years ago
Hi Chris I don't know if there was a problem with the PDC the electric fan does work and starts when the engine gets hot. The relay that was replaced is under the hood I see they have a wire going in to the fuse box I would like to know could this be the reason for the over heating. Thanks Hennie
Chris answered 7 years ago
Is there any way you could post a picture of the repair? and give exact details as to where it is going? And when you say hot how hot degree wise? A/C on will run a lil hotter maybe 8 degrees at max at a dead stop so around 210. Kinda scratchin my head on this one I was a chrysler tech for 12 years this is new.
hennie answered 7 years ago
Hi Chris I had a look at the work that was done on the ac and the thermostat on the ac was replaced and a relay and they fitted a new switch in the car. I think that the replacement of the thermostat on the ac is causing the problem can you give advice please. Hennie
Chris answered 7 years ago
does it overheat imediately or does it take a while, get hotter moving down the road or at a stand still? Maybe just maybe ive seen it before so it is possible, had a customer bring in a Ram with a 360CI and had a shop put a T-stat in. Long story short it was installed upside down!!!
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