Propeller Shaft Replacement (Front Drive) - GMC 1986 P-Truck Service Manual

Figure 7—Alignm ent For Two-Piece Propeller Shaft In Phase, G And K Models
• Be sure the s lip yoke (18) ears are
horizontal, figure 7.
10. Propeller shaft (4).
• Align reference marks.
• Check bearings for proper fit.
11. Retainer ( ).
6
12. Bolt (5).
• Check for proper joint fit.
Tighten
• Bolts (5) to specified torque. Refer to
" Specifications" at the end of this section.
• Lubricate the slip yoke (18).
PROPELLER SHAFT
REPLACEMENT (FRONT DRIVE)
|<~+| Remove or Disconnect (Figure
Tool Required:
J-22610, Keystone Clamp Pliers.
• Raise the vehicle on a hoist.
• Remove skid plate if used.
• Reference mark the relationship of the
propeller shaft (14) to the front axle and the
transfer case flange (17).
Hanger Assembly
Center Bearing Support
Front Propeller Shaft
Rear Propeller Shaft
Transmission Yoke
Slip Yoke
Horizontal Center Line At The Yoke
90 ± 1 Degree Angle For Slotted Hanger Holes
Vertical Center Line At The Yoke
. Slip yoke (13) from the front axle yoke (12).
1
• Do not pound on the joint to disconnect.
2. Bolt (18) at the flange (17).
3. Boot (21) if used.
jjjJJ* Clean
8 )
• All parts.
I?
PROPELLER SHAFT 4A-9
— Nut (10), washer (11) and U-bolt (15).
— Bolt (20) and retainer (22).
Im portant
• Release boot retainers using J-22610.
• Slide the propeller shaft (14) forward,
enough to disengage, then withdraw the
propeller shaft (14) rearward.
• Avoid dropping cap assemblies from the
yoke ends.
Inspect
Splines for damage, wear, burrs and twisting.
Bearings for wear.
Propeller shaft (14) for straightness.
B-07562