3 SPEED TRANSMISSION 66 Ser 10 thru 30 G 10 w 3 Spd exc O D 68 Ser 10 Conv w 3 Spd 6 cyl exc O D H D 292 68 4 WD w 3 Spd 591150 1 90 NUT 1 12 L H thread 4 358 GASKET Transmission Main Drive Gear Bearing Retainer 40 65 All w 3 Spd H D 66 Ser 10 20 w 3 Spd exc H D O D 67 Ser 10 20 w Muncie 3 Spd exc O D 68 Ser 10 Conv w 3 Spd 250 exc O D 68 Ser 10 20 4 WD w 3 Spd 591022 1 20 3 D x 4 z 0 D w 4 holes 54 68 All w 3 Spd H D 3709317A R 15 010 4 holes 4 V z 0 D Note 1 54 67 All w 3 Spd H D 3709318A R 15 015 Note 1 NOTE 1 Use selectively to obtain proper fit 66 67 G 10 20 w 3 Spd exc H D 66 67 Ser 10 w O D 67 Ser 10 20 w Saginaw 3 Spd exc O D 4 WD D D 68 Ser 10 w O D 68 70 All Blazer w 3 Spd exc H D 3916113 1 25 69 70 All Blazer w Muncie H D 3 Spd 3915017 1 25 3V l D x 4 O D x 4 holes 4 374 SLINGER WASHER Transmission Main Drive Gear Bearing 69 70 All Blazer w Muncie 3 Spd 3932213 1 25 clutch gear bearing oil 54 66 Ser 10 thru 30 w 3 Spd H D 3709322 1 20 WASHER retaining 1 D x 2 O D 4 376 RING WASHER Transmission Main Drive Gear Bearing 38 70 All Blazer w 3 Spd exc H D 590849 1 25 locating 2 V D x 2 z O D x V1 thk 54 65 All w 3 Spd H D 66 Ser 10 w O D 66 67 G 10 20 exc H D snap O87 thk 68 70 All w H D 3 Spd 69 70 Ser 10 20 Blazer w Muncie 3 Spd 3709351 A R 15 retaining Note 1 54 70 All Blazer w 3 Spd H D 3709352A R 15 snap 093 Note 1 54 70 All Blazer w 3 Spd H D 3709354A R 15 snap 096 Note 1 54 70 All Blazer w 3 Spd H D 3709355A R 15 snap 099 thk Note 1 54 70 All Blazer w 3 Spd H D 3709356A R 15 snap 102 Note 1 NOTE 1 Use selectively but only 1 used to obtain proper fit 64 70 All Blazer w Muncie 3 Spd 2830050 1 30 snap 3 z 0 D 4 412 64 70 All w Saginaw 3 Spd 3707174 1 25 rr brg ocating 4 412 54 68 All w 3 Spd H D 3709350 2 30 WASHER 1 D x 1 O D x Vu thick 4 380 CLUTCH ASSY SYNCHRONIZER Transmission 2nd 3rd and 3rd 4th Speeds NOTE Where Synchronizer Assemblies are not shown use component parts 40 53 All w 3 Spd 1st design 605020 1 23 85 2nd and 3rd w synchronizer assy 2 lugs 53 54 All w 3 Spd 2nd design exc H D 3705112 1 23 85 2nd and 3rd w synchronizer assy 4 lugs 55 68 All w Muncie 3 Spd 3774720 1 24 35 CLUTCH ASSY 2nd and 3rd w synchronizer 64 65 All w Saginaw 3 Spd 3848090 1 25 05 CLUTCH ASSY 2nd and 3rd w synchronizer 54 68 All w H D 3 Spd 3870789 1 30 45 SYNCHRONIZER 2nd and 3rd 66 67 G 10 20 w 3 Spd exc H D SYNCHRONIZER 1st and rev 2nd and 3rd 67 Ser 10 20 Conv w Saginaw 3 Spd 3rd 68 70 All Blazer w Saginaw 3 Spd 3924766 1 42 05 reverse 1st 2nd and 3rd 69 70 All Blazer w Muncie 3 V Spd 3911968 1 31 80 SYNCHRONIZER reverse 1st 2nd and 3rd J T 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31 4 356 4 380 4 54 REV 6 71