4 CYLINDER ENGINE 0 413 B I T Dt WEL GASKET NUT Engine Camshaft Cover Housing OI1 82 85 S1 1 9A 1ST DES 94020307 14 1 65 DOWEL USED UP TO ENG 953139 PGO 25 10 82 85 S1 1 9A 2ND DES 94108075 14 6 9 DOWEL USED FROM ENG 953140 PGO 31 1 1 84 85 S1 2 2S 94026535 2 1 35 GASKET HD CVR TO BOLT PGO 33 48 82 S5 6 8 9 10 11 12 94158108 4 2 30 NUT CAP HD CVR TO HD 82 85 ST1 1 9A 94249183 4 2 40 NUT HEAD CVR CAP PGO 34 6 0 423 GASKET Engine Camshaft Cover 82 85 ST1 1 9A 94200715 1 14 60 GASKET HD CVR TO HD PGO 34 4 82 85 ST1 1 9A 94202456 4 1 45 GASKET CAP NUT TO HD CVR PGO 34 5 84 85 S1 2 2S 94028187 1 V 17 80 GASKET HD CVR TO HD PGO 33 45 85 88 ST1 2 5E 10101791 1 N L GASKET VLV RKR ARM CVR 89 90 S1 03 53 2 5E 10101791 1 N L GASKET VLV RKR ARM CVR 0 426 ROD Engine Valve Push 83 84 ST1 2 0Y 14018769 8 3 65 ROD PUSH PGO 3 10 84 85 S1 2 2S 94029354 8 8 25 ROD PUSH CM SHF PGO 33 27 85 86 ST1 2 5E 10028055 8 3 90 ROD VLV LIFTER PUSH PGO 16 70 87 90 ST1 2 5E 1 0040235 8 3 10 ROD VLV LIFTER PUSH PGO 24 57 0 429 BALL BOLT NUT SCREW STUD Engine Valve Adjusting 85 90 ST1 2 5E 10008244 8 80 BALL RKR ARM PGO 15 42 85 86 ST1 2 5E 10031032 8 1 05 BOLT RKR ARM BALL PGO 15 41 87 88 ST1 2 5E 10040236 8 1 05 BOLT RKR ARM BALL PGO 24 61 89 90 S1 03 53 2 5E 10044622 8 1 00 BOLT RKR ARM BALL PGO 24 61 82 83 ST1 1 9A 11043214 8 1 15 NUT ADJ SCREW TO RKR ARM 66 666 PGO 31 33 83 84 ST1 2 0Y 477212 8 83 NUT VLV RKR ARM PGO 8 69 82 85 ST1 1 9A 94200786 8 2 10 SCREW RKR ARM ADJ PGO 31 32 84 85 S1 2 2S 94021862 8 3 35 SCREW RKR ARM ADJ PGO 33 32 83 84 ST1 2 0Y 476530 8 1 30 STUD VLV RKR ARM BALL PGO 8 66 85 90 ST1 2 5E 10044611 4 1 80 STUD W WA PUSH ROD POSN 1 2 3 4 PGO 11 17 fha 0 439 COVER GUIDE Engine Valve Push Rod 84 85 S1 2 2S 94028761 1 46 25 COVER TAPPET CHAMBER PGO 35 1 85 90 ST1 2 5E 1 0043064 1 7 20 COVER PUSH ROD USE RTV PGO 11 7 83 84 ST1 2 0Y 476531 4 1 60 GUIDE PUSH ROD PGO 8 72 85 90 ST1 2 5E 10012915 1 1 10 GUIDE VLV PUSH ROD 1 PGO 15 68 85 90 ST1 2 5E 10012916 1 1 10 GUIDE VLV PUSH ROD 2 PGO 16 68 85 90 ST1 2 5E 10012917 1 1 10 GUIDE VLV PUSH ROD 3 PGO 16 68 85 90 ST1 2 5E 10012918 1 1 10 GUIDE VLV PUSH ROD 4 PGO 16 68 0 443 GASKET Engine Valve Push Rod Cover 84 85 S1 2 2S 94029801 1 7 10 GASKET TAPPET CHAMBER TO CYL BLK PGO 35 13 E 0 459 LIFTER TAPPET Engine Valve 83 84 ST1 2 0Y 5233335 8 N L LIFTER VLV PGO 3 9 84 ST1 2 0Y 5233545 8 323 80 LIFTER VLV 010 0 S 85 90 ST1 2 5E 5233745 8 N L LIFTER ROLLER PGO 12 103 84 85 S1 2 2S 94026572 8 9 20 TAPPET CM SHF PGO 33 26 0 480 GUlDE RETAINER Engine Valve 85 90 ST1 2 5E 10028057 4 1 55 GUIDE VLV LIFTER PGO 12 104 85 90 ST1 2 5E 10028056 2 1 95 RETAINER VLV LIFTER GUIDE PGO 12 105 0 51 9 CAMSHAFT Engine 82 85 ST1 1 9 94203084 1 268 00 CAMSHAFT PGO 48 1 83 84 ST1 2 0Y 14058000 1 163 00 CAMSHAFT PGO 3 8 84 85 S1 2 2S 94029350 1 319 00 CAMSHAFT PGO 49 1 85 90 ST1 2 5E 10029787 1 151 00 CAMSHAFT PGO 12 80 0 533 BEARING BEARING KIT BOLT PLATE WASHER Engine Camshaft Sprocket 85 90 ST1 2 5E 10181215 1 4 65 BEARING CM SHF THRUST A 83 84 ST1 2 0Y 12508079 1 4 65 BEARING KIT CMSHF THR 85 90 ST1 2 5E LN8 12508079 1 4 65 BEARING KIT CMSHF THR 83 84 ST1 2 0Y 14102574 2 45 BOLT CM SHF THR PLT PGO 3 4 83 84 ST1 2 0Y l 14018764 1 5 30 PLATE CM SHF THR PGO 3 5 90 S1 O3 53 2 5E LN8 A TRNS MD8 M TRNS MW1 14018764 1 5 30 PLATE CM SHF THR PGO 3 5 1990 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52S Ti REV 10 90 0 11 0 413 0 533