6 CYLINDER ENGINE 0 413 BOLT GROMMET NUT REINFORCEMENT SCREW STUD WASHER Engine Valve Rocker Arm Cover C0n t 84 85 A 4 3T 22527788 AR 52 STUD VLV CVR TO CYL HD 86 A 2 8W 14077864 3 55 STUD VLV RKR CVR SPL M6X1 THREAD 02 251 PGO 37 49 86 A 2 8W X 14091881 AR 1 55 STUD VLV RKR CVR M6X1X9 M6X1X10 5 35 NECK TO TORX DR 86 A 2 8W X 14092906 AR 60 STUD VLV RKR CVR M6X1X13 M6X1X21 5 TL 40 5 TORX DR DOG PT 86 A 3 88 3 25519277 6 55 WASHER VLV RKR ARM CVR NUT PGO 80 14 87 88 A 3 8 3 25519277 6 55 WASHER VLV RKR ARM CVR NUT PGO 80 14 Ilkilillllll bll P O R T Ol l l Ql ll P O R T lI l I llI I P O R T O Q I I 90 91 A3 1T LHO EXPORT RAO CMP B1Y EXPORT 10151648 8 4 05 BOLT VLV RKR ARM CVR USE W GROMMET 12338036 NSTALL USING 1052080 SEALANT 0O 386 PGO 43 12 90 91 A 3 1T LHO EXPORT RAO CMP B1Y EXPORT 12338036 8 1 05 GROMMET VLV RKR ARM CVR BOLT PGO 43 10 82 85 A 2 8X EXPORT CANADA 14077864 2 55 STUD VLV RKR CVR SPL M6X1 THREAD 02 251 PGO 37 49 0 423 GASKET Engine Valve Rocker Arm Cover 86 A 2 8W X 14089253 2 7 30 GASKET RKR CVR PGO 37 47 82 85 A 3 0E 25523348 2 N L GASKET VLV RKR ARM CVR PGO 49 17 84 85 A 231 3 25523348 2 N L GASKET VLV RKR ARM CVR PGO 49 17 86 A 3 88 3 25518526 2 8 65 GASKET VLV RKR ARM CVR PGO 80 19 87 89 A 2 8W 14092297 2 N L GASKET VLV RKR ARM CVR PGO 43 9 87 88 A 3 8 3 25518526 2 8 65 GASKET VLV RKR ARM CVR PGO 80 19 89 91 A 3 3N LG7 25532619 2 6 10 GASKET VLV RKR ARM CVR 82 85 A 2 8X EXPORT CANADA 14089252 2 N L GASKET RKR CVR 90 91 A 3 1T LHO EXPORT RAO CMP B1Y EXPORT 14092297 2 N L GASKET VLV RKR ARM CVR PGO 43 9 ii 0 426 ROD Engine Valve Push 82 85 A 4 3T 22511044 12 4 30 ROD EXH PUSH PGO 93 91 87 89 A 2 8W 14102521 6 3 95 ROD EXH VLV PUSH PGO 43 23 87 89 A 2 8W 14102522 6 3 95 ROD INT VLV PUSH 82 85 A 3 0E 25510025 12 5 80 ROD PUSH PGO 49 38 84 A 231 3 1ST DESIGN 1249139 12 5 45 ROD PUSH CM SHF FLG HAS 2 CAST DIMPLES MARKED W GRREN PAINT PGO 74 48 84 A 231 3 2ND DESIGN 25510025 12 5 80 ROD PUSH CM SHF FLG HAS NO CAST DlMPLES MARI ED W YELLOW PAINT PGO 49 38 85 A 231 3 25510025 12 5 80 ROD PUSH PGO 49 38 86 A 2 8W X 476525 12 7 05 ROD PUSH PGO 38 67 86 A 3 88 25524317 12 4 75 ROD VLV PUSH 86 88 A 3 8 3 25532162 12 3 60 ROD VLV PUSH PGO 81 69 89 91 A 3 3N LG7 25532737 12 3 30 ROD VLV PUSH PGO 62 35 EXPORT Q l lQIII II EXPORTI I III l lI II EXPORTIIIIIQDIIIOIOOII 82 85 A 2 8X EXPORT CANADA 476525 12 7 05 ROD PUSH PGO 38 67 90 91 A 3 1T LHO EXPORT IRAO CMP B1Y EXPORT 14102521 6 3 95 ROD VLV PUSH EXH PGO 43 23 90 91 A 3 1T LHO EXPORT RAO CMP B1Y EXPORT 14102522 6 3 95 ROD VLV PUSH INT 0 429 BOLT NUT PIVOT STUD Engine Valve Adjusting NOTE 1 WHEN RE CONDITION NG A VLV SEAT ON ALUMINUM CYL HEADS IT WILL BE NECESSARY TO REMOVE NON ADJUSTABLE RKR ARM BALL STUD NUT AND REPL WITH ADJUSTABLE STUD NUT TURNDOWN VLV RKR ARM NUT UNTIL THERE IS NO FREE AX AL MOVEMENT OF PUSHROD THEN TURN ADJ NUT 1 2 TURN MORE NOTE CONTINUES AT IA NOTE 1A AT NO TIME SHOULD THERE BE LESS THAN 4MM OF VLV SEAT MATERIAL REMAINING AFTER RE CONDITIONING 89 91 A 3 3N LG7 25533440 AR 60 BOLT VLV RKR ARM P V HFH W SHLD 3 8 16X 64 THD 56 ODX1 14 SHLD 300M PL PGO 62 27 86 A 2 8W X 477212 12 93 NUT VLV RKR ARM PGO 38 73 1992 GENERAL MOTORS SERVICE PARTS 0PERAT ONS OLDSMOBILE 32A 1 i 0 413 0 429 0 40 1 1 92