6 CYLINDER ENGINE 0 429 BOLT NUT RETAINER STUD Engine Valve Adjusting NOTE 1 WHEN RE CONDITIONING 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 AXIAL MOVEMENT OF PUSHROD THEN TURN ADJ NUT 1 2 TURN MORE NOTE CONTINUES AT 1A NOTE 1A AT NO TIME SHOULD THERE BE LESS THAN 4MM OF VLV SEAT MATERIAL REMAINING AFTER RE CONDITIONING 90 92 W 3 8L L27 25533440 1 96 BOLT VLV RKR ARM PIV HFH W SHLD 3 8 16X 64 THD 56 ODX1 14 SHLD 300M PL PGO 53 86 93 W 3 8L L27 24502737 12 78 BOLT VLV RKR ARM PIV HEX 5 16 18X2 03 1 5 THD 300M PC MACH W SHLDR 55 ODX 23 THIC K SEALER PGO 61 233 88 89 W 2 8W 477212 12 1 49 NUT VLV RKR ARM ADJUSTABLE REFER T0 NOTE 1 IN CATALOG TEXT PGO 24 31 88 89 W 2 8W 14102542 12 1 00 NUT VLV RKR ARM NON ADJUSTABLE REFER TO NOTE 1 IN CATALOG TEXT PGO 5 18 89 93 W 3 1T LHO 477212 12 1 49 NUT VLV RKR ARM ADJUSTABLE REFER T0 NOTE 1 IN CATALOG TEXT HEX PREV TORO ALL METAL 10X1 0X11 2 301 M CD PGO 24 31 89 93 W 3 1T LHO 14102542 12 1 00 NUT VLV RKR ARM NON ADJUSTABLE REFER TO NOTE 1 IN CATALOG TEXT FLANGED HEAD 13MM HEX M8X1 0 6H THREAD PGO 5 18 93 W 3 8L L27 24501397 2 4 14 RETAINER VLV RKR ARM PIV PGO 61 230 88 89 W 2 8W 476530 12 2 10 STUD VLV RKR ARM BALL ADJUSTABLE M1OX1 5X9 9 M10X1X18 REFER TO NOTE 1 IN CATALOG TEXT PGO 24 28 88 89 W 2 8W 10044997 12 2 48 STUD VLV RKR ARM BALL NON ADJUSTABLE V M 10X1 5X22 M8X1 0X32 REFER TO NOTE 1 IN CATALOG TEXT PGO 6 106 89 93 W 3 1T LHO 476530 12 2 10 STUD VLV RKR ARM BALL ADJUSTABLE M10X1 5X9 9 M10X1X18 REFER TO NOTE 1 IN CATALOG TEXT PGO 24 28 v 89 93 W 3 1T LHO 10044997 12 2 48 STUD VLV RKR ARM BALL NON ADJUSTABLE M 10X1 5X22 M8X1 0X32 REFER T0 NOTE 1 IN CATALOG TEXT PGO 6 106 0 439 GUIDE Engine Valve Push Rod 90 92 W 3 8L L27 25534766 6 4 23 GUIDE VLV LFTR AT INTAKE VALLEY 93 W 3 8L L27 24501041 2 4 23 GUIDE VLV LFTR AT INTAKE VALLEY PGO 56 101 88 89 W 2 8W 10078973 4 2 90 GUIDE VLV LFTR PUSH ROD CYL 1 3 4 6 PGO 6 1 19 88 89 W 2 8W 10078974 2 2 90 GUIDE VLV LFTR PUSH ROD CYL 2 5 PGO 6 120 89 93 W 3 IT LHO 10078973 4 2 90 GUIDE VLV LFTR PUSH ROD CYL 1 3 4 6 PGO 6 119 89 93 W 3 1T LHO 10078974 2 2 90 GUIDE VLV LFTR PUSH ROD CYL 2 5 PGO 6 120 90 92 W 3 8L L27 25532387 2 6 39 GUIDE VLV LFTR PUSH ROD AT ROCKER ARM 0O 426 PGO 53 83 0 459 BOLT LIFTER RETAINER Engine Valve 93 W 3 8L L27 24501042 4 40 BOLT VLV LFTR GDE 90 93 W 3 8L L27 24500055 4 1 96 BOLT VLV LFTR GDE RET TO CYL BLK W FLAT WASH 5 16 18X 855 30OM ZP 00 659 PGO 53 94 88 89 W 2 8W 5234212 12 N L LIFTER VLV HYD STD PGO 5 45 88 89 W 2 8W 5234390 12 25 85 LIFTER VLV HYD 10 0 S PGO 24 58 89 93 W 3 1T LHO 5234212 12 N L LIFTER VLV HYD STD PGO 5 45 89 W 3 1T 5234390 12 25 85 LIFTER VLV HYD 10 O S PGO 24 58 90 93 W 3 1T LHO 5234390 12 25 85 LIFTER VLV HYD 010 O S PGO 24 58 90 93 W 3 8L L27 5234670 12 N L LIFTER VLV RLR PGO 53 87 90 92 W 3 8L L27 25531836 1 6 99 RETAINER VLV LFTR GDE 0O 480 PGO 53 95 0 519 CAMSHAFT Engine 90 93 W 3 8L L27 24501458 1 220 00 CAMSHAFT MACHINED PGO 45 10 1 1993 GENERAL MOTORS SERVICE PARTS OPERATIONS BUICK 45W 0 429 0 519 0 14 2 93