Some of the early engines up through 2002 in the Ranger and Explorer have had a timing chain rattle problem due to the poor design of the original teflon chain guides. But one of the unintended consequences of this fore-and-aft split cam drive arrangement is that it makes the timing chains, guides and tensioners VERY difficult to replace - which makes for an expensive repair when a chain guide or tensioner fails on one of these engines (a common problem on high mileage engines, especially if the owner has neglected regular oil changes). It probably allowed the engine to be shorter and more compact. Why Ford designed the cam drives this way is anyone’s guess. There is also a balance shaft in the crankcase of engines used in 4×4 trucks, which is driven by a fourth chain directly off the crankshaft. Brian Sexton, Automotive Technical Writer, Babcox MediaĪ third timing chain in the back of the engine connects the rear of the jackshaft to the overhead cam in the right cylinder head.Divjot Singh, Applications Engineer, NTN Bearing Corporation of America.Matt Gorski, Manager of Product Development, NTN Bearing Corporation of America.
#GUIDE TO 2002 FORD EXPLORER FUEL PUMP REPLACEMENT HOW TO#
How to deal with corrosion buildup between the bearing, hub, and knuckle.How to sell and manage difficult bearing replacement jobs, reduce installation times and costly comebacks.Should you replace the bearing alone, or opt for a bearing repair kit? How to select the right replacement part for the job.Common customer concerns, and how to correctly diagnose the cause of the symptom the first time.The impact of extreme usage, environments on wheel bearings.The importance of wheel bearings to the overall vehicle.This could be due in part to bearing design, construction, corrosion buildup, and/or replacement parts selection.ĭuring this 45-minute webinar we will discuss: Wheel bearing or hub assembly replacement can present a number of challenges to technicians. However, all wheel bearings will eventually need to be replaced. Wheel bearings are safety-critical components which feature precision engineering, robust construction, and a long service life.
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