B4000 SE Cab Plus 4WD V6-4.0L OHV (1997)
3. If the dust boot is cracked or split, check the lubricant for contamination by rubbing it between two fingers. Any gritty feeling indicates a
contaminated center yoke and stub shaft.
4. If contaminated, inspect the stub shaft and the slip yoke for wear and replace them if necessary.
5. Inspect the splice area and clean all foreign matter from the propeller shaft spline.
Center Bearing Support (13)
1. Separate the rear propeller shaft from the coupling shaft.
2. Remove the nut attaching the half-round yoke to the coupling shaft and remove the yoke.
3. Check the center bearing support for wear and roughness by rotating the outer area while holding the coupling shaft. Replace the center
bearing support if necessary.
4. Inspect the rubber bushing for evidence of hardening, cracking or deterioration and replace if necessary.
Inspection
NOTE: Inspect all parts and replace as necessary.
1. Measure the front and rear propeller shaft runout with a dial indicator.
2. Replace the front and/or rear propeller shaft assembly if runout is 0.89 mm (0.035 inch).
Assembly
