1 I GM4 66 V l A l it 1w I V QD I I G 1 r o 6 V 0 9 W i Q 1 I Q Ummm 1 9 I El x E 2 G AH l i p 7 l T K l l 9 l m E I I 1 1 i J c 1 Gini I V I rz sl l I I gw GM4 66 1979 81 E BRAKE PEDAL MASTER CYLINDER MOUNTING A A 1 PIPE ASM Brake Vacuum 8 964 2 HOSE Vacuum 11 32 ID 8 962 V 3 CLAMP Hose Adjustable 1 166 4 FILTER Brake Cyl 1 A 4 913 5 CYLINDER ASM Vacuum 1 4 901 6 GASKET Cyl to Dash 4 910 7 BRACKET ASM Brake Pedal 4 634 8 BOLT M12 x 1 75 x 85 8 900 9 NUT M8 x 1 25 8 921 i 10 NUT M12x 1 75 8 915 11 SCREW M8 8 977 12 VALVE Cruise Vac Release 3 885 13 CLIP Release Valve 3 885 14 SWITCH Stop Lamp i 2 447 A15 NUT M10 x 1 50 8 915 16 BUSHING Brake PedaI 4 626 17 BEZEL Brake Pedal Pad V 4 630 18 COVER Brake Pedal l 4 630 19 ARM Brake Pedal 4 625 20 WASHER Pedal Arm 4 662 21 RETAINER Push Rod 375 Shaft 4 662 A 22 WASHER Push Rod 4 662 23 SPACER Brake Pedal 4 626 V V 24 TUBING Brake Steel Fabricate 4 685 V25 SCREW M8 x 1 25 x 16 8 977 26 BRACKET Dist Switch Mtg 4 690 7 27 VALVE Brake Comb 4 690 l 28 SCREW M8 x 1 25 x 55 8 977 29 CYLINDER Hydraulic i 4 650 I V 30 BOOSTER ASM See Explode View 1 4 805 V NOTE 1 Hydraulic Booster Item 30 used in place of Item 5 on diesel option V GM PARTS DIVISION GENERAL MOTORS CORPORATION BUlCK 41A I 4 000 GROUP 4 90 y REV 1 1 81 A