l BODY MOUNTING AIR COND INSTRUMENTS r e 9 277 RELAY ASSY Air Conditioning Electrical A Con t l 72 Ser 10 20 Sub w roof A A mounted A C 1372259 l 1 a c evap and blower switch mounted on rear center of dash 9 278 KNOB CLIP Air Conditioning Control E A 60 All w Cool Pack A y 61 63 Ser 10 thru 30 1991001 A R evap blower switch control lever and j temp control lever 16 067 64 Ser 10 thru 30 exc FFC 3843611 A R control 8 852 71 72 G 10 thru 30 w floor mounted E A C 6270471 1 A C control g V 72 Ser 10 20 Sub w roof e mounted A C 1991087 1 a c evap and blower switch 9 649 60 All 3138069 1 I i CLIP control knob retainer 8 852 9 279 BEZEL Air ConditioningControI li l I 72 Ser 10 20 Sub w roof mounted A C 326587 1 a c evap and blower switch 1 V knob 3 483 9 280 ACTUATOR ASSY VALVE ASSY Air Conditioning Vacuum Control NOTE 1 Not used w water shut off va ve A NOTE 2 Used w water shut off valve 1 67 69 All Blazer w Air Cond 1998928 1 air shut off valve E 70 72 Ser 10 thru 30 Blazer w C A C 1996502 1 a c air shut off valve 67 68 Ser 10 thru 30 w Air Cond 1st design I 70 Ser 10 thru 30 w Air Cond 71 72 Ser 10 thru 30 Blazer t y w C A C 1222690 1 VALVE ASSY heater and A C sensor i assy vacuum control Note 1 68 Ser 10 thru 30 w Air Cond V 1 2nd design E I 69 Cab w Acc Air Cond 7308785 1 VALVE ASSY heater and A C sensor I assy vacuum control Note 2 9 281 TANK ASSY HOSE TEE Air Conditioning Control V 87 72 Cab Blazer w Air Cond A 385076 1 refrig vac cont color black 4 u dia 38 72 All Blazer 3987362 1 HOSE vac u I D 25 ft coil 8 962 68 Ser 10 thru 30 w Cruise Control R 69 70 Ser 10 thru 30 Blazer w Acc Air Cond 3 752621 1 TEE rafrig vac cont hose 67 Ser 10 thru 30 w C A C A A A 69 72 Cab Blazer w Air Cond 3895904 1 TEE air valve actuator I 9 282 REERIGERANT LUBRICATING OIL SEAL Air Conditioning Maintenance e 38 72 All Blazer 1051053 A R consists of 1 30 lb throw away V 8 800 38 72 All Blazer 1050121 A R consists of 1 15 oz can 8 800 I 38 72 All Blazer 5416939 A R LUBRICATING OIL refrigerant system 1 E qt container 525 viscosity 9 650 CLIP COVER Radio I 67 72 Ser 10 thru 30 exc FFC D D 7 3885861 2 radio cover opening 67 70 G 10 20 30 E 67 72 Ser 10 thru 30 exc FFC D D 3885860 1 e COVER radio opening V 71 72 G 10 20 30 332412 1 V COVER inst panel radio opening 9 709 LIGHTER UNIT BEZEL ELEMENT HOUSING ASSY KNOB I V LAMP RETAINER Cigarette Lighter 68 72 Ser 10 thru 30 Blazer exc FFC D D 994668 1 64 66 G 10 6256767 1 BEZEL lighter 68 72 Blazer Ser 10 thru 30 exc V i FFC D D 3927365 1 BEZEL lighter 4 71 72 G 10 thru 30 3968480 1 BEZEL Casco 55 59 Ser 3 2nd Ser 60 62 Ser 10 thru 30 3710581 1 ELEMENT heating Casco 55 65 All 12 volt w Rochester 7021055 1 ELEMENT heating Roch 64 Ser 10 thru 30 w deluxe equip 65 66 Ser 10 thru 30 I GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL t 9 277 9 709 9 16 REV 5 79 Y