HEATER AND AIR CONDITIONING 1A-32
p rojectin g through the fir e w a ll and attach the screw s
and nuts to reta in the case.
Connect the b low er
m otor ground strap.
Replace spacer between case
and fir e w a ll at the s c re w next to the tem perature
door le v e r.
2. (10-30 S e rie s ) Remount the right front fender skirt.
3. Connect tem peratu re door cable and vacuum hoses
(hose to engine vacuum source attaches to vacuum
tank connection n earest the engine).
4. Connect the r e frig e ra n t hoses to the expansion valve
in let and the P O A outlet using new " O " ring seals,
coated with clean re fr ig e r a tio n oil.
5. Connect the h eater hoses to the co re tubes (fig. 39).
6. Connect the b low er m otor w ire to the m otor flange
term in a l, and connect the battery ground cable.
7. R e fill the cooling system , and evacuate and charge
the re frig e ra tio n system .
HEATER CASE
Removal (Fig. 4 0 )
1. Drain the radiator. Disconnect battery ground strap.
2. R em ove the heater hoses fro m the co re tubes.
3. R em ove the sheet m etal nuts fro m the heater case
studs which p ro je c t through the fir e w a ll to the engine
side.
4. R em ove the glove box.
5. Unplug the re la y connector.
6. R em ove the right b a ll outlet hose.
7. R em ove the s c re w attaching the dash outlets a ir
distribu tor to the heater case and m ove distribu tor
away fro m case.
8. R em ove the heater case to fir e w a ll retaining screw s.
9. P u ll the h eater case away from the fir e w a ll and
reach in and disconnect the re s is to r connector.
10. R em ove the r e s is to r harness grom m et and rem ove
the harness from the case.
W ithdraw the heater
case.
F ig . 4 0 — H e a te r and Ducts
Installation
1. P la c e the heater case under the dash and in sert the
re s is to r harness and in stall the grom m et and con
nect the re s is to r connector.
2. P o sitio n the heater case against the fir e w a ll and
push it into place.
Check that nothing is pinched
between the case and fire w a ll.
Install the heater
case to fir e w a ll retaining screw s.
3. P o sitio n the dash outlets distribu tor against the
heater case, in sert the fo rw a rd lip into the retaining
clip, and install the retaining screw .
4. In stall the right dash outlet hose.
5. Connect the rela y connector.
6. Install the glove box.
7. Install the sheet m etal nuts to the heater case studs
which p ro ject fo rw a rd through the fire w a ll.
8. Attach the heater hoses to the core tubes and con
nect battery ground strap.
9. R e fill the engine cooling system and test system
operation.
HEATER CORE
Removal
1. R em ove the heater case as outlined under H eater
Case.
2. R em ove the screw s retaining the core mounting
straps.
3. R em ove core.
Installation
1. In stall the core into the case and seal it with non
hardening sea ler.
2. Mount the co re with the core straps and retaining
screw s.
3. R eplace the heater case in the veh icle as outlined
under H eater Case.
WATER VALVE (Fig. 3 9 )
Removal
1. P la c e a container under the veh icle and then discon
nect the shut-off va lve inlet and outlet lines. Drain
coolant into container.
2. Disconnect the va lve vacuum line and rem ove the
valve.
Installation
1. Install the coolant lines onto the new va lve, making
sure that coolant flow s through the va lve in the right
direction .
2. Install the vacuum line onto the valve.
3. R e fill the radiator.
EXPANSIO N VALVE
Removal
1. Disconnect
battery
ground cable and purge the
system .
2. Loosen the clamp retaining the high p ressu re line
to the bracket next to the expansion valve.
3. Disconnect the c a p illa ry bulb from the evaporator
outlet pipe.
Disconnect the equ a lizer line from the
P O A . Cap the P O A connector.
4. Disconnect the expansion va lve inlet and outlet con
nections and cap the lines.
5. R em ove expansion valve to bracket mounting screw
and rem ove expansion valve.
CHEVROLET TRUCK SERVICE MANUAL
Содержание 10 Series 1970
Страница 1: ......
Страница 38: ...HEATER AND AIR CONDITIONING 1A 8 CHEVROLET TRUCK SERVICE MANUAL...
Страница 57: ...HEATER AND AIR CONDITIONING 1A 27 Fig 35 Compressor M ountings CHEVROLET TRUCK SERVICE MANUAL...
Страница 75: ...HEATER AND AIR CONDITIONING 1A 45 Fig 65 R oof M ounted System W iring Diagram CHEVROLET TRUCK SERVICE MANUAL...
Страница 78: ......
Страница 101: ...BODY IB 23 s A ADJUSTER SCREW AND LEVER ASSY Fig 5 9 Exploded V iew o f Level Ride Seat CHEVROLET TRUCK SERVICE MANUAL...
Страница 137: ...BODY IB 59 VIEW IN DIRECTION OF ARROW A Fig 137 A u x ilia ry Seat CHEVROLET TRUCK SERVICE MANUAL...
Страница 142: ...CHEVROLET TRUCK SERVICE MANUAL Fig 5 10 30 Series Truck Frame FRAME 2 4...
Страница 145: ...CHEVROLET TRUCK SERVICE MANUAL FRAME 2 7...
Страница 148: ......
Страница 228: ...REAR SUSPENSION AND DRIVE LINE 4 52 I Fig 88 Forward Rear A xle Assembly Exploded V iew CHEVROLET TRUCK SERVICE MANUAL...
Страница 238: ......
Страница 383: ...ENGINE FUEL 6M 19 F ig I t Engine Fuel S p ecial Tools CHEVROLET TRUCK SERVICE MANUAL...
Страница 384: ......
Страница 392: ......
Страница 432: ...Fig 1 C lu tch Linkage Except P 2 0 4 0 Series...
Страница 433: ...CLUTCHES AND TRANSMISSIONS 7 3 Fig 2 C lutch Linkage Step Van P 20 40 Series CHEVROLET TRUCK SERVICE MANUAL...
Страница 506: ...FUEL TANK AND EXHAUST SYSTEMS 8 8 Fig 10 Vent Lines Cab M ounted Tanks CHEVROLET TRUCK SERVICE MANUAL...
Страница 528: ...Fig 31 T yp ica l Power Steering Hose Routings...
Страница 530: ......
Страница 550: ......
Страница 566: ...ELECTRICAL BODY AND CHASSIS 12 4 Fig 3 Front Lighting Assemblies CHEVROLET TRUCK SERVICE MANUAL...
Страница 567: ...ELECTRICAL BODY AND CHASSIS 12 5 Fig 4 C learance and Id e n tific a tio n Lamps CHEVROLET TRUCK SERVICE MANUAL...
Страница 568: ...ELECTRICAL BODY AND CHASSIS 12 6 Fig 5 Rear Lighting Composite CHEVROLET TRUCK SERVICE MANUAL...
Страница 597: ...ELECTRICAL BODY AND CHASSIS 12 35 Fig 37 Engine Com partm ent CE M E60 CHEVROLET TRUCK SERVICE MANUAL...
Страница 598: ...ELECTRICAL BODY AND CHASSIS 12 36 TO FRAME i f Fig 38 Engine Com partm ent C D 50 CHEVROLET TRUCK SERVICE MANUAL...
Страница 608: ...ELECTRICAL BODY AND CHASSIS 12 46 Fig 48 Instrument Panel C A40 CE CS ME50 Exc 02 CHEVROLET TRUCK SERVICE MANUAL...
Страница 610: ...ELECTRICAL BODY AND CHASSIS 12 48 Fig 50 Instrument Panel CE M E60 03 13 CHEVROLET TRUCK SERVICE MANUAL...
Страница 614: ...ELECTRICAL BODY AND CHASSIS 12 52 Fig 54 Instrument Panel SA40 50 CHEVROLET TRUCK SERVICE MANUAL...
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Страница 649: ...SPECIFICATIONS 9 ENGINE SECTION 6 CHEVROLET TRUCK SERVICE MANUAL...
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