Upper Bearing Replacement; Lower Bearing Replacement; Lower Bearing Adjustment; Shift Tube Adjustment - GMC G Service Manual

3B4-44 STEERING COLUMN
7. Turn signal wiring harness.
• If equipped with an automatic transmission, dis­
connect the conductor tube at the instrument
panel.
8. Bolts (275) and clamp (276) from the column support
bracket.
9. Bolt, nut and outer brace (283) from the column sup­
port bracket (P20 and P30 non-motorhome models).
10. Steering column assembly.
• Lower and then withdraw the column assembly.
Rotate the column so the shift lever clears the
dash and toe panel assembly.
h H Install or Connect (Figure 48)
NOTICE: For steps 2 ,3 ,4 ,6 and 9 see " Notice" on
page 3B4-1 of this section.
1. Adjust the lower bearing preload. Refer to "Steering
Column Lower Bearing Adjustment" in this section.
2. Lower end of the steering column through the toe
panel opening.
• Guide the steering shaft into the universal yoke, lining
up the marks made at removal.
• Upper universal pinch bolt. The pinch bolt must pass
through the shaft undercut.
[ l \ l Tighten
• Pinch bolt to:
— 108 N»m (80 ft. lbs.) (P30 Models; with
RPO FS3 I-Beam front suspension).
— 102 N«m (75 ft. lbs.) (P20 and P30
Models; without RPO FS3 I-Beam front
suspension).
• Align the seal (279) and cover (278) with the
floor and dash panel assembly.
• Align the column support bracket protrusion
with the index slot in the steering column.
3. Clamp (281), bolt (280) and nut (282). Position the
clamp as shown in figure 48.
Tighten
• Nut to 15 N»m (11 ft. lbs.).
4. Clamp (276) and bolt (275).
Tighten
• Bolt to 25 N*m (18 ft. lbs.).
5. Seal (279), cover (278) and screws (277) to the dash
panel assembly.
6. Outer brace (283), bolt and nut to the column support
bracket (P20 and P30 Models; except motorhome).
H 3 Tighten
• Bolt to 25 N»m (18 ft. lbs.).
7. Transmission control linkage to the shift tube levers
(Column Shift models).
8. Turn signal wiring harness.
• On a standard column with automatic transmis­
sion connect the conductor tube at the instru­
ment panel.
9. S teering wheel. Refer to " Steering Wheel
Replacement."
10. Negative battery cable.

UPPER BEARING REPLACEMENT

M Remove or Disconnect (Figure 49)
1. Steering wheel. Refer to "Steering Wheel Replace­
ment" in this section.
2. Cancelling cam (286).
3. Upper bearing (289).
H Install or Connect (Figure 49)
1. New upper bearing (289).
2. Cancelling cam (286).
NOTICE: See " Notice" on page 3B4-1 of this
section.
3. Steering wheel. Refer to "Steering Wheel Replace­
ment" in this section.

LOWER BEARING REPLACEMENT

H Remove or Disconnect (Figure 49)
1. Intermediate steering shaft. Refer to "Intermediate
Shaft Replacement" in this section.
2. Nut (319), washer (318), bolt (317) and clamp (316).
3. Bearing assembly (315 and 314).
M Install or Connect (Figure 49 and 50)
NOTICE: For steps 2 and 3 see " Notice" on page
3B4-1 of this section.
1. New adjusting ring and bearing assembly (314, 315).
2. Clamp (316), bolt (317), washer (318) and nut (319).
Maintain the clearance dimension shown in figure 50.
Tighten
• Nut to 14 N»m (10 ft. lbs.).
3. Intermediate shaft. Refer to "Intermediate Shaft
Replacement" in this section.

LOWER BEARING ADJUSTMENT

1. Loosen clamp bolt (317) (figure 49).
2. Apply 222 N (50 lbs.) force to the steering wheel end
of the steering shaft.
3. Adjust the clamp to obtain a clearance of 32 ± 0.5
mm (1.26-± 0.02-inch) (figure 50).

SHIFT TUBE ADJUSTMENT

MANUAL TRANSMISSION (Figure 49 and 51)
1. Loosen the adjusting ring bolts (306).
2. Loosen the clamp bolt (317).