FRONT TAXLE STEERING 1 3 6 525 COUPLING UNIT COUPLING ASSY BEARING BOLT CLAMP l FLANGE ASSY PLUG REINFORCEMENT RETAINER RING SEAL SPRING TRUNNION UNIT YOKE Steering Shaft U Joint C0n t t B AA A 63 Ser 10 thru 30 Conv 4 WD A Blazer w T W exc P S i 69 70 Ser 10 thru 30 Blazer exc D e 1 1 A D A 71 72 All Blazer w T W 5675186 1 t SPRING strg upper 61 67 Ser 10 D D V I I A 68 72 Ser 10 thru 30 D D 3918866 2 TRUNNION UNlT intermediate shaft 60 Ser 10 thru 30 exc D D 5673727 A Fl WASHER upper 1F ga l D 68 Ser 20 30 D D I A 1 I I 69 72 Ser 20 30 D D exc P S 3930804 1 YOKE intermediate shaft spline A 68 Ser 20 30 D D 69 70 Ser 20 30 D D exc P S 3991989 1 YOKE intermediate shaft sllp 69 72 Ser 20 30 D D w P S 3991990 1 YOKE intermediate shaft slip 61 72 Ser 10 D D 3991988 1 A YOKE intermediate shaft slip stamped L6 1 NLS 20 7 61 72 Ser 10 thru 30 D D 3991979 A R YOKE inter shaft clamp 26 grooved B serrations 71 72 Ser 20 30 D D exc P S 3991986 1 YOKE inter shaft spline 71 72 Ser 20 30 D D exc P S 3991989 1 YOKE inter shaft slip wt 71 72 Ser 20 30 D D w P S 3991980 1 YOKE inter shefticlamp 18 grooved serrations V A71 72 Ser 20 30 D D w P S 3991985 1 YOKE inter shaft spline 61 67 Ser 10 D D l A 1 68 70 Ser 10 thru 30 0 D 3918864 A R YOKE UNIT strg gear intermediate shaft clamping FH 6 550 VALVE ASSY Steering GearHydrauIic NOTE For Seal and Gasket Kits see group 6 507 67 4 WD 7801055 1 63 67 Ser 10 thru 30 exc D D A 4 WD P S installation unit 68 Ser 10 thru 30 w Booster P S A exc D D A 68 Ser 20 30 D D 7803987 1 is w adapter 68 Ser 10 thru 30 w integral P S A y exc D D 4 WD 70 Ser 10 thru 30 Blazer w P S exc D D A A 71 72 M H C l I 71 72 Ser 10 thru 30 Conv 4 WD e I I Blazer w P S s i 71 72 G 10 thru 30 w P S 7808369 1 69 Ser 10 20 4 WD A 69 72 Ser 20 30 D D 7810897 1 63 67 Ser 10 thru 30 exc D D 4 WD Q 6 551 KIT Steering Gear Hydraulic Valve 1 NOTE 1 Consists of valve shaft and ball seat spring NOTE 4 Consists of 2 seats 1 each seal spring stud lock nut spacer and screw or bolt I NOTE 5 Consists of 1 each cIamp lock nut seal screw or bolt and spacer 63 68 Ser 10 thru 30 w P S 5887998 1 Note 1 83 68 Ser 10 thru 30 w P S 5691150 1 adapter Note 4 63 68 Ser 10 thru 30 w P S 5691690 1 ball stud seal and clamp Note 5 V 6 552 SPRING PLUG SEAL SEAL KIT RETAINER WASHER Steering I Gear Hydraulic Valve B A 63 68 Ser 10 thru 30 w P S 5888441 1 2 9 coils free length V 63 68 Ser 10 thru 30 w P S 5687990 1 adjustment 6 coils ez free length 88 Ser 10 thru 30 exc D D A 4 WD T I 69 Ser 20 30 D D A 70 Ser 10 thru 30 Blazer 5687252 A 1 valve spool 55 59 Ser 3 3733842 1 PLUG lx 0 D Bendix 126345 63 All 5691199 1 SEAL end plug valve housing 6 581 69 Ser 10 20 4 WD 69 Ser 20 30 D D V 70 Ser 10 thru 30 Blazer 569506 1 1 A SEAL O ring u x 1 M 68 Ser 10 thru 30 w P S exc A 4 WD D D A 69 Ser 10 20 4 WD A A i GM PARTS DIVISION GENERALMOTORS CORPORATION CHEVROLET 72TL 6 525 6 552 6 24 2 REV 5 79