Rear Console Replacement - Hummer H1 Service Manual

11-46 Heating/Ventilation/Air Conditioning (HVAC)

REAR CONSOLE REPLACEMENT

Removal
1. Remove two screw/washers securing rear console to side
brackets (Figure 1-85).
2. Push console rearward so that the vents are clear from the
plenum cutouts.
3. Remove rear console.
Installation
1. Position rear console over the auxiliary HVAC unit so that
the console vents line up with the plenum cutouts.
2. Push console forward until vents fit into plenum.
3. Secure rear console to side brackets with screw/washers
(Figure 1-85).
REAR
CONSOLE
SCREW/WASHER
Figure 1-85: Rear Console Installation
AUXILIARY AIR CONDITIONING/HEATING
UNIT REPLACEMENT
Removal
1. Discharge air conditioning system.
2. Remove rear console (Section 10).
3. Remove heater hoses from auxiliary unit heater core ports
(Figure 1-87).
4. Remove pressure hoses from auxiliary unit.
5. Remove drain tubes from auxiliary unit (Figure 1-87).
4-1-00
VENTS
SIDE
BRACKET
PLENUM
6. Remove screws securing side brackets to tunnel mounting
PLENUM CUTOUT
7. Remove auxiliary unit from vehicle.
00-S11-006
Installation
1. Install auxiliary unit in vehicle and secure side brackets to
2. Install drain tubes on auxiliary unit (Figure 1-87).
3. Install pressure hoses on auxiliary unit.
4. Wrap low pressure fitting with prestite tape.
5. Secure heater hoses to heater core ports on auxiliary unit
6. Evacuate, charge, and leak test air conditioning system.
7. Check engine coolant level and add coolant as necessary.
8. Start engine and operate auxiliary and front air
9. Check coolant connections for leakage; repair if
10. Stop engine, recheck coolant level, and add coolant if
11. Install rear console (Section 10).
______________________
O-RING
AUXILIARY UNIT
MOUNTING
BRACKET
Figure 1-86: Auxiliary A/C Components
HEATER
CORE
PORTS
Figure 1-87: Auxiliary Heater Hose Routing
bracket.
tunnel mounting bracket with screws (Figure 1-86).
with worm gear clamps. Remove hose pinch pliers.
conditioning system to check for proper operation.
necessary.
necessary.
LARGE
A/C HOSE
DRAIN
TUBES
SMALL
A/C HOSE
SELF-TAPPING
SCREW
HEATER
HOSES
CLAMP
DRAIN TUBES
AND TEE
®