Vacuum Tank Replacement - GMC G Service Manual

IB-62 AIR CONDITIONING
2. Cable-to-heater case tab (493) to the slot in the case.
3. Adjusting tab (494) to heater case bracket (498) using
retainer (499).
4. Screw and retainer attaching cable to heater case
(497).
5. Screw and retainer attaching cable to defroster duct
(495).
6. Tab (493) to slot in control assembly (491).
7. Cable eyelet to control assembly (491) using retainer
(499).
• Adjust the cable. Refer to "Temperature Door Cable
Adjustment" in this Section.
8. Control assembly to the instrument panel.
9. Control assembly screws.
10. Radio. Refer to ACCESSORIES (SEC. 9).
11. Engine cover.
495. Defroster Duct Assembly
497. Heater Assembly
526. Screw
527. Right A/C Duct Assembly
528. Washer
529. Deflector Assembly
530. Bezel
531. Screw
12. Battery ground cable to battery.

VACUUM TANK REPLACEMENT

H Remove or Disconnect (Figures 69, 70, 71
1 and 72)
• Raise the hood.
1. Vacuum line (552) at the tank.
2. Tank attaching screws.
3. Tank (550).
K H install or Connect (Figures 69, 70, 71 and 72)
1. Tank (550).
2. Tank attaching screws.
3. Vacuum line (552).
• Lower the hood.
495 526
532. Seal
533. Center Outlet
Assembly
535. Gasket
536. Heater Outlet
538. Support
539. A/C Outlet
Assembly
Figure 68 — Duct Component View
540. Screw
541. Nut
542. Inlet Assembly
543. Seal
544. A/C Left Duct
545. U-Nut
546. Duct
547. Duct
548. Duct
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