GM4 91 I X 1 I 1 1 I 1 P I 1 B 1 1 Wi 1 li 1 1 1 1 1 A 1 2 Ib 1 1 1 E 1 1 I IB A 1 I R znu 4R 1 1 I 1 GM4 91 1 1 1981 TRANSMISSION PARKING BRAKE INSIDE DETENT THM 200 4R MW9 1 1 4 282 SEAL Manual Shaft 1 8623056 1 2 4 275 SHAFT Manual 8628934 3 4 275 PIN Manual Shaft to Case 8628480 4 4 279 LEVER Inside Detent 8634184 5 4 279 LINK Inside Detent Lever to Valve 8634326 1 6 4 279 CLIP Link to Detent Lever 8634332 7 4 275 NUT Hex M10 X 1 5 5 917 8628146 8 4 293 ROLLER W Spring Manual Detent 8634299 9 4 290 ACTUATOR ASM Parking Brake 8634181 10 8 900 BOLT M8 X 1 25 X 20 1 11 4 290 BRACKET Parking Brake 8633388 1 12 4 294 PAWL Parking Brake 8628860 1 13 4 294 SHAFT W Plug Parking Brake 8628084 14 4 294 PLUG Parking Pawl Shaft Steel Cup 38 Dia 1 8620318 1 15 4 290 PIN Slotted Spring 062 x 1 8625134 16 4 295 SPRING Parking Pawl Return 8628337 1 NOTE 1 4 005 GASKET K 72 Trans W Sea s 8634915 1 1 1 GM PARTS DIVISION GENERAL MOTORs CORPORAT ON B UICK 41A 9 80 4 37 4 000 GROUP