1998 Ford Falcon



February, 17, 2013 AT 8:22 AM

Ford Falcon Au (1998) with over 200,000 klms. We are having a problem with car over heating on hot days (on normal and/or cooler days the car runs fine and does not over heat. ALSO the car over heats when the air conditioner is on higher and/or going full blast while the car is in park and/or is idling, however the car does not over heat when the air conditioner is on and the car is in drive and moving down the road and/or down the street. We have already replaced (over the last 2 months) the radiator, and the thermostat housing; and have ensured all hoses are secured properly and are in ok shape, also there is no water is leaking from motor and/or onto ground. The car is a 6 cylinder, and has been fitted with gas. So the car runs on dual fuel. Other repairs to the car have been the oil pressure switch has been replaced and there has been a major transmission service done on it within the last 4 to 6 weeks as well. Any ideas what else might be causing the over-heating. Water pump? Or something else?


2 Answers



February, 17, 2013 AT 8:42 AM

Just for your additional information (not that some of this information will matter with what is going on with the over heating but.) The oil pressure switch and 2 new headlight total assemblies were replaced within the last 6 weeks or so, this was done in order to obtain a road worthy for the above mentioned car. The car was purchased about 5 months ago. And shortly after purchasing the car it started to over heat. And that is when the thermostat housing was replaced by a mechanic while the car was still under the used car warranty. However it started to over heat again (however the dealership was giving us a hard time about fixing the car and were always trying to delay things as a result the 3 month warranty expired). As stated before the radiator then was replaced about 4 to 6 weeks ago, and at that time the hoses were all checked and all were all found to be ok, and new hose clamps were purchased and put on the hoses to make sure they were all properly secured.



February, 17, 2013 AT 12:46 PM

First thing I would start with is a leak down test done to confirm the head gasket is still good from overheating. Head gaskets are a result of overheating not a cause. The issue may have been fixed with replacement parts but the head gasket blew in the mean time.


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