Question about 2003 Ford Explorer
A ticking noise at idle I am going say your valves.There is someting going on with the lifter,The nuts that secure one of the rocker arm maybe loosen out, also make sure the sparkplugs are secured and are tightened up.
Posted on Mar 28, 2012
SOURCE: 2003 Ford Explorer xlt
its a very common problem, its a part of the heater system called the blend door and its located inside the dash, the ticking noise is cause by the blend door motor constantly slipping on the blend door gear. these are made of plastic hence why they break. BUT there is an american (lhd vehicles) site called heater treater www.heatertreater.net and i am working with these guys and trying to get a blend door made up for rhd models. heatertreater makes theres out of metal, but it is still a painful job to replace them, taking between 4-8 hours. BUT apparently the blend door is accessible from the foot well, for more info go to the website above, they are very helpful. hope this helps.
Posted on Jan 04, 2009
SOURCE: heater problems
I had the same problem and changed out the thermostat. The clicking was were the bottom half of the thermostat had actually broken off and was moving in the housing
Posted on Jan 25, 2009
The mode door actuator is stripped,youll have to buy a replacement from a ford dealership, they will stock it its a very common fault. To access it remove the glove box and youll be able to access 2 of the 3 mounting screws just break off the third youll probably have to remove the right air duct to gain access.
Posted on Apr 08, 2009
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