0 Q r4es4 G z K A w a rp l I gy I g 0 P M 6 l Qi i W im law rr Y ixwpt W K i Q Je V 5 P I5 1 Q G E w G o TAB 4 1979 84 HYDRAULIC BRAKE BOOSTER 1 ACCUMULATOR KIT Includes item 18 BRACKET Mt 4 805 2 4 820 I7 NUT Mounting Bracket 4 806 2 0 RING Accum 1 N S IB BOOT Pedal Rod Not req d for all 3 RING Spool Valve Plug Ret 2 N S applications I 4 659 4 PLUG Spool Valvel 2 N S I9 GROMMET Pedal R dI 1 3 4 859 5 0 RING Spool Vlv PIug 1 N S 20 ROD Pedali 4 4 668 6 SPRING Spool Valve 2 N S Z1 PIN Input Piston 4 810 7 HOUSING Bo0s 2 N S 22 ROD W Piston Boos Input Also Incls 8 SCREW W Lk Wa Hsg to Cvr 4 815 14 19 20 23 4 4 658 9 SEAL Booster Return Pipe Fitting 1 4 810 23 SEAL Piston 1 3 N S 10 VALVE KIT Accumulator 4 810 24 STUD Bone to M Cyl Mt 4 805 i1 FITTING Return Line 4 845 25 RETAINER Output Push Rod 4 669 12 VALVE Spool Z N S 28 SPRING Piston Return 4 810 13 SEAL Pedal Rod 1 3 N S 27 RETAINER Pstn Rtn Spr 1979431 4 810 4 0 000 RETAINER Pstn Rtn Spr Beginning 14 SEAL Housing 1 3 N S I982 I 2 N S 15 COVER Boos Hsg 4l 4 815 Z8 BAFFLE Output Rod Spring 4 669 29 ROD Output Push 4 658 NOTE Service BOOSTER in Group 4 805 includes all items above excapt 2O Pedal Rod See NOTE 4 NOTE 1 Part of EAL KIIZ Boas Groun 4 810 NOTE 2 Part of BOOSTER Group 4 805 NOTE 3 Part of SEAL KI IZ Boos Cover Group 4 810 1979 81 only NOTE 4 This item not serviced for 1983 2nd design CK 10 models equinped with JD3 or JD5 brake ayste m complete BOOSTER ASM Group 4 805 must be ordered Ist design has a 78 diameter Input Piston no Pedal Rod Boot 2nd design has s Pedal Rod Boot a 60 diameter Input Piston 71271 stamped on Pedal Bod ui WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 52A 1 4 000 GROUP 1 10 1 84