2 3 5 U 4 11 1 s l N N I V K V K 14 I5 17 f 9 2 l va X r Q J T Q 3 5 I3 J V1 V I L 1 1 6 I DM7029 0 3 I TXO4 075 1988 RV BRAKE BOOSTERNACUUM SINGLE DIAPHRAGM MORAINE 1 BOOT 1 2 4 940 n 2 SILENCEFI 1 N S 3 VALVE Vac Chk 1 2 3 N S 4 GROMMET 1 2 3 N S 5 SEAL Frt Hsg 1 2 N S 6 BEARING Pwr Pstn 1 2 N S 7 HOUSING Br 1 N S 8 HOUSING Frt 1 N S 9 SPRING Rtn 1 N S 10 ROD Pstn Gaged 1 4 924 11 RETAINER Reaction 1 N S 1 2 FILTER 1 4 N S 13 RETAINER Diaph 1 2 N S 14 DIAPHRAGM 1 2 N S 15 SUPPORT Diaph 1 N S 16 PUSHROD ASM Pwr Pstn and 1 4 N S 17 PUSHROD 1 4 N S 18 RETAINER Reaction Body 1 N S DD7029E003 See POWER BOOSTER CHART at the end of Group 4 000 in parts catalog A NOTE 1 Group 4 901 BOOSTER Pwr Brk Incl Items 1 19 NOTE 2 Group 4 898 REPAIR KI11 Pwr Brk Boos Incl Items 1 3 6 13 14 NOTE 3 Group 4 955 GROMMET KI IZ Chk Vlv Incl Items 3 4 NOTE 4 Group 4 922 PISTON KI IZ Brk Boos Pwr Incl Items 3 4 I 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 4 000 GROUP 4 76 1 88