Question about Cars & Trucks
Run engine from cold with rad cap off and see if it pressurises ,as its so old i suspect a failing head gasket and its due for renewal .
Posted on Nov 29, 2012
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Posted on Jan 02, 2017
Hello senior, whenever the coolant system is opened up there's a possibility you could get air in your system, only way to get it out is by using the bleeder valve, check the coolant temperature sensor it may not be working properly, it tell's the cooling fan when to kick on and off, the condition of the drive belt is also another factor, along with the tensioner and tensioner pulley. it sounds like a problem with the water pump, the cooling fan, or air in your cooling system, to get a good inspection of the water pump fin's you have to remove it.
Posted on Apr 03, 2009
Before you get into this involved job I have a few suggestions. First is the pump leaking causing the system to lose coolant. Grab the fan and try to move it from side to side to see if there is play. Next when was the last time the thermostat was changed out. The thermostat can be stuck in a way as to restrict water flow. Another cause of over heating is a clogged radiator. Older cars can have a slug build up in the radiator core causing a significant cooling lose.
Water pumps on a Crown Vic is located on the front of the engine behind the fan. You should really get a service manual as there are a lot of steps in this job that must be done correctly to avoid future problems.
You start by draining the entire cooling system by opening up the drain plug on the bottom of the radiator. This antifreeze must be disposed of properly by taking it to a repair shop for pick up. Next remove the fan guard followed by disconnecting all the belts. Some people remove the radiator to gain working room. before removing the radiator disconnect the lower hose and the upper hose to the engine. The transmission oil cooling lines are next. Now remove all the bolts holding the radiator in place. As you can see this is not a job for a novas. If you are not mechanically inclined this could be a nightmare of a job.
Posted on May 08, 2009
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