Question about 1998 Ford Explorer
I own a 1998 exploer 4wd and im having problems statring it up. the motor crancks over. i can see the crank shaft and all the pulleys turn but the motor sounds like there is no combustion in the cylinders. i removed the oil fill cap on the valve cover and i can see clearly that the timing chain on the driver side head is turning. First question is: are the other two chains turning? the motor turing over has a very stright sound. im looking for a mechanic to contact me to give me an idea on what the problem might be. so then i wonder is there some kind of sensor that controls timing and is it off timing? these trucks have all kinds of difrent sensor the control all kinds of things. ive called all over the place to get info but of all the temn places ive called nothing. not even the dealership. so i came across a truck alike except there are two types of engines. the x and the y. i found out that if the vin # has an x in it the motor has no third engine balancing chain. and the models that came out with a y in the vin# have a thrid engine balancing chain. another question is are they interchangable? i dont know what path to take or where to start.
If the engine is turning over Quickly or sounds like there is no compression is a fair bet to assume the cylinders have touched on the valves and bent them. It could be the Cylinder Head gasket but Unlikely. As far as i am aware th X and Y enines are not The same Think the crank case is different so if it's a new motor it will need to be the same as yours that you replace it with. Steve in the UK P.S I am a Mechanic over here and work for Ford uk We HAve the Explorer over here They Can be Problematic like this.
Posted on May 13, 2009
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Posted on Jan 02, 2017
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