A/C Left Duct Replacement; Defroster Duct Replacement - GMC G Service Manual

IB-60 AIR CONDITIONING
7. Screws at the top and bottom of the instrument panel.
8. Steering column lower column and bolts. Refer to
STEERING COLUMN (SEC. 3B4.)
9. Bolt at parking brake bracket.
10. Instrument panel bezel. Refer to INSTRUMENT
PANEL AND GAGES (SEC. 8C).
11. Engine cover.
12. Battery ground cable.

A/C LEFT DUCT REPLACEMENT

H Remove or Disconnect (Figure 68)
1. Battery ground cable.
2. Engine cover.
3. Instrument panel bezel.
4. Left A/C duct mounting screws (531).
5. Left A/C duct (544).
503. Blower Switch
507. Selector Switch
508. Pin
509. Mode Selector Lever
510. Housing
511. Vacuum Selector Valve
513. Slide
514. Backing Plate
515. Control Dial
516. Temperature Lever
517. Pin
518. Temperature Lever Cam
520. Screw
h 4!

DEFROSTER DUCT REPLACEMENT

M
503
Figure 66 — Control Assembly Components
install or Connect (Figure
1. Left A/C duct (544).
2. Left A/C duct screws (531).
3. Instrument panel bezel.
4. Engine cover
5. Battery ground cable.
Remove or Disconnect (Figures 67 and 68)
1. Battery ground cable.
2. Engine cover.
3. Bolt at parking brake bracket.
4. Steering column bolts and lower column.
5. Steering column lower panel.
6. Upper and lower instrument panel attaching screws.
7. Radio support bracket screw.
• Raise and support the right side of the instrument
panel.
68)
515
L01048