Intermediate Shaft Unit Repair (P-Models; Except Motorhome) - GMC G Service Manual

3B4-48 STEERING COLUMN
INTERMEDIATE SHAFT UNIT REPAIR
(P-MODELS; EXCEPT MOTORHOME)
M Remove or Disconnect
• Intermediate shaft. Refer to "Intermediate Shaft
Replacement" in this section.
Disassemble (Figure 53)
• If the upper and lower half of the intermediate shaft is
to be replaced, proceed as follows:
• Place the intermediate shaft (320) on a bench
and straighten the tangs on the dust cap (329).
Separate the upper and lower portions of the
shaft assembly.
1. Dust cap (329) and dust seal (328).
• If the trunnion assemblies are to be replaced, pro­
ceed as follows:
2. Bearing cups (325).
• Support the yoke on a bench vise and drive out
one bearing cup by tapping on the opposite
bearing cup. Use a soft drift and hammer.
• Support the other side of the yoke and drive out
the remaining bearing cups, as described in the
previous step.
3. Trunnion (326) from the yokes (324 and 327).
Trunnion (326) from the yokes (331 and 330).
4.
Figure 53 — Intermediate Shaft — P-Model; except Motorhome
K H Assemble (Figure 53)
• If the yoke trunnions were removed, assemble as
follows:
1. Trunnion (326) into the yokes (331 and 330).
2. Trunnion (326) into the yokes (327 and 321).
3. Bearing cups (325) into the yokes.
• Reassemble the intermediate shaft assembly as
follows:
4. Dust cap (329) and dust seal (328) over the shaft of
the lower yoke (330) assembly.
• Align the arrow on the lower yoke assembly shaft with
the arrow on the upper yoke assembly tube and push
the two assemblies together.
• Push the dust seal (328) and dust cap (329) into posi­
tion on the lower end of the upper yoke assembly and
bend the tangs of the dust cap down against the yoke
tube.
H Install or Connect
• Intermediate shaft. Refer to "Intermediate Shaft
Replacement" in this section.