B1 96 5 I I 1 I I P 4 Q U 6 NN I2 I IO l Q I 2 E 9 W 8 c 4 Gm j 4 Y IIIKYS I l U I 15 Q I 1 g I I I Imp 0 I2 V I I I I I vm 3 4 8 it i G Q 7 OI 0 g I I g ams I g p 1976 79 T 1 8 LITRE ENGINE OIL PUMP PUMP ASM lncl Key N0 1 13 1 652 10 SPRING Relief Valve Oil Pump Asm 1 BODY Part of Oil Pump Asm N S Note 1 N S 2 SHAFT Part of Oil Pump Asm N S 11 PLUG Relief Valve Oil Pump Asm 3 ROTOR Drive Part of Oil Pump Asm N S Note 1 N S 4 PIN Straight Rotor Part of Oil Pump 12 PACKING Plug Oil Pump Asm Note Asm N S 1 N S 5 GEAR Part of Oil Pump Asm N S 13 PIN Knock Oil Pump Asm 1 653 6 PIN Straight Gear Part of Oil Pump 14 SEAL Rubber Oil Pipe to Oil Pump Asm N S Note 2 1 657 7 ROTOR Driven Part of Oil Pump Asm N S 15 REPAIR PKG Incl Key No 8 12 14 1 652 8 COVER Oil Pump Asm Note 1 N S 9 VALVE Relief Part of Oil Pump Asm I Note 1 N S NOTE 7 Serviced by HEPA H PKG 0 pump 0n y 7 652 NOTE 2 A so nc uded in HEPA 7 PK G 0 pump and GASKET PKG eng ne overhau 0 070 V Gl I PARTS DIVISION GENERAL MOTORS CORPORATION BUICK 4IA U 1 000 GROUP T1 6 9 80 1