Explorer Sport Trac 4WD V8-4.6L VIN 8 (2007)
Axle Shaft Assembly: Description and Operation
Front Drive Halfshafts
Front Drive Halfshafts
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Inboard and outboard CV joints connect to a splined shaft. A circlip stopper holds the cross groove inboard race assembly (inboard CV joint)
together.
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A circlip retains the splined inboard CV joint to the differential side gear on the LH halfshaft. Install a new circlip every time the LH halfshaft is
removed from the vehicle.
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A circlip retains the splined RH inboard CV joint to an axle shaft. Install a new circlip on the axle shaft every time the RH halfshaft is removed
from the axle shaft.
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A front axle wheel end nut secures the side shaft assembly (interconnecting shaft and outboard CV joint) to the front hub. Install a new front axle
wheel end nut every time you remove the halfshaft from the vehicle.
Halfshaft Handling
CAUTION: Never pick up or hold the halfshaft by the inboard or outboard CV joint only.
NOTE: Only the inner CV joints are removable for installation of new CV boots and clamps. The boots, grease and clamps are the only serviced
parts of the halfshaft assembly. These are available as a complete kit only.
Handle all halfshaft components carefully during removal and installation procedures.
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The halfshaft assemblies are not repairable. Install new assemblies if worn/damaged.
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To separate the halfshaft from the front hub, press the outboard CV joint from the front hub.
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To separate the halfshaft from the differential, apply a load to the back face of the inboard CV joint assembly to overcome the circlip.
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Do not overangle the CV joints.
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Damage will occur to an assembled inboard CV joint if it is overplunged outward from the joint housing.
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Never use a hammer to remove or install the halfshafts.
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Never use the halfshaft assembly as a lever to position other components. Always support the free end of the halfshaft.
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Do not allow the boots to contact sharp edges or hot exhaust components.
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Handle the halfshaft by the interconnecting shaft only to avoid pull-apart and potential damage to the CV joints.
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Do not drop assembled halfshafts. The impact can cut the boots from the inside without evidence of external damage.
Wheel and Tire Balancing, Front
WARNING: Do not balance the front wheels and tires while mounted on the vehicle.
Hoisting
CAUTION: Use a frame-contact hoist only. Vehicle or component damage can result if other types of hoists are used. Refer to
Maintenance/Service and Repair.
Never raise the vehicle using the halfshafts as lift points.
Undercoating and Rustproofing
During undercoating and rustproofing procedures, protect the boots from the coating materials. Foreign materials on the rubber boots will cause
extreme advanced wear.
