Mercury 5L8Z-4A331-DA Boot

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At the rear of the vehicle, assess suspension arm bushings for deterioration. Inspect drive axle boots, especially the outer CV boot, for tears, cracks, and loose clamps. It's also a good practice to wash drive axle boots to prevent premature deterioration caused by oil and grease. Replace any boots that show evidence of cracks, leaking lubricant, or damage.

During reassembly, a new sealing boot clamp and boot are slid onto the axleshaft, with care taken to wrap the splines with tape to prevent boot damage. A new bearing retainer clip is placed onto the axle shaft, and grease from the sealing boot kit is applied to the outer CV joint assembly housing and inside the boot. The splines on the axleshaft are aligned with the splines on the outer CV joint assembly, and the CV joint is gently driven onto the axleshaft with a soft-faced hammer. Pressure in the boot is equalized, boot clamps are tightened, and the driveaxle is installed.

To assess the steering system components, start by gently rocking the steering wheel back and forth to detect excessive freeplay. Excessive freeplay could indicate issues with front wheel bearings, steering shaft universal joint, lower arm ball joint, or steering gear. Additionally, look for symptoms like body movement over rough roads, swaying around corners, and binding during steering wheel turns, which may suggest problems with steering and suspension components.

During reassembly, the clamps and boot are slid onto the axleshaft, taking care to wrap the splines with tape to prevent boot damage. A new stop-ring is installed on the axleshaft, positioned past its groove, and a new bearing retainer clip is installed. The tripod is then placed on the shaft with aligned marks, the stop-ring is seated in its groove, and the joint housing and boot are packed with CV joint grease. The boot is slid into place and pressure inside it is equalized by inserting a small, dull screwdriver between the boot and the outer race. The boot clamps are tightened using appropriate tools and methods. The driveaxle assembly is then installed.