V Z I I VI I I I 1 V I I z I r I I 3 I 4 VV VVVA WV V gIV k I IVY I V VI VVV I VI V VVV 1 V VV VV I IVV VV V V VV V 1 V a V V VV V V I I V I V V 4 SPEED MANUAL TRANSMISSION I i I V 5 I I n I R V 4 105 COVER PLUG Transmission Casa I Con t I IV V V 79 Y M20 EXC SP H PER 2ND I I 1 V DESIGN ii I i 4 380811 II 45 75 COVER NOTE 2 i V i 80 81 Y M18 L i 380811 1 45 75 COVER j 1 85 81 Y M18 I I V 3988034 2 2 05 V PLUG TRANS DRN MAGNETIC V I I Q 4 107 SEAL Transmission Gaarshift 1 V VV I NOTE 1 1979V IST DESIGN MUNCIE V V I Z V 83 74 YV M2O EXC SP H PER I 3831718 1 1 15 SEAL REV SHAFT I I I 83 74 Y M20 1ST DESIGN II I 3831718 1 1 15 SEAL SHAFT ALL POSITIONS V I T 77 79 Y M20 EXC SF H PER 1ST I V I I V V I DESIGN 1 3844038 I 36 SEAL SHAFT ALL 1 0SITIONS V I I E I I 77 79 Y M20 EXC SP H PER V 1ST V I V V T V DESIGN J 8255517 1 36 SEAL REV SHAFT NOTE I V I I I 4 109 GASKET Transmission Cass V V J NOTE 1 1979 1ST DESIGN MUNCIE 1979 2ND DESIGN WARNER V I I I IV I 83 74 Y W MUNCIE 3831705 I 42 GASKET Q I V V 74 79 Y M20 M21 W SP H PER I 3709318 I 59 GASKET WARNER 3 188 I I I V 75 79 Y M20 EXC SP H PER 1ST I V V I V I I V i DESIGN 3858990 I 70 GASKET NOTE 1 79 Y M20 EXC SP H PER 2ND I V DESIGN I 3709318 1 59 GASKET WARNER 3 188 NOTE 1 I I j V 3 V Vg 80 81 Y M18 3709318 I 59 GASKET WARNER 3 188 I I I I I 4 302 SEAL SHAFT Transmission Internal Shift I NOTE 1 1979 IST DESIGN MUNCIE 1979 2ND DESIGN WARNER V I 74 79 Y M20 M21 W SP H PER V 8280717 1 I 50 SEAL LVR SHAFT OIL n I V Vi X I 79 Y M20 EXC SP H PER 2ND V V I I DESIGN 8280717 I 50 SEAL LVR SHAFT OIL NOTE 1 V 80 81 Y M18 8280717 1 50 SEAL LVR SHAFT OIL I I Q V V 74 79 Y M20 M21 W SPI H PER 380088 I 24 25 SHAFT 3RD AND 4TH SHIFT V V V V V V 74 78 Y W WARNER 380087 I 21 85 SHAFT IST AND 2ND SHIFT I I L V I V 77 79 Y M20 M21 W SP H PER 474031 1 25 75 SHAFT IST AND 2ND SHIFT WARNER I VV V V V V 13 04 598 012 V rr I I 79 Y M20 EXC SP H PER 2ND I V I i I IDESIGN 380088 II 24 25 SHAFT 3RD AND 4TH SHIFT NOTE I V V V 79 Y M20 EXC SP H PER 2ND V V I V V 1 IV DESIGN V 474031 1 26 75 SHAFT IST AND 2ND SHIFT WARNER VV V Z V i I 13 94 598 012 NOTEI I 1 Q V 80 81 Y M18 380088 I 24 25 SHAFT 3RD AND 4TH SHIFT L V V V 2 V 80 Y MIB I 474031 I 26 75 SHAFT IST AND 2ND SHIFT V j Q Q V V 4 303 FORK Transmission Gaarshift I I I Z NOTE 1 1979 IST DESIGN MUNCIE 1979 2ND DESIGN WARNER V V V I I YI V I 57 83 Y W WARNER 380088 AR 22 75 VF0RK 1ST AND 2ND 3RD AND 4TH I V V V Z V I WARNER T10 23 V I V IV I 4 i 57 83 Y W WARNER L 3743478 1 17 00 FORK REV WARNER T10 24 A 83 74 Y W MUNCIE I 3831717 2 V 26 00 FORK IST AND 2ND 3RD AND 4TH V V J5 V Y 87 74 Y W MUNCIE I 3832788 1 16 85 FORK REV SHIFTER I V I A 74 79 Y M20 M21 W SP H PER 3743478 1 17 00 FORK REV WARNER T10 24 I V 14 V Y W WARNER 380088 AR 22 75 FORK IST AND 2ND 3RD AND 4TH I V V j Q I V i WARNER T10 23 1 I 75 79 Y M20 M21 W SP H PER 380088 1 22 75 FORK 1ST 2ND 3RD 4TH V 77 7V9 Y M20 EXC SP H PER IST I VV I 2 V DESIGN 1979 I 3858997 1 14 50 FORK 3RD AND 4TH SHFT NOTE 1 v V77 79 Y M20 EXC SP H PER IST I I I i I V 7 I I I DESIGN 1979 3884810 1 V 14 50 FORK 1ST AND ZNDSHFT NOTE 1 I V V 1V V 79 Y M20 EXC SP H PER 2ND V I i DESIGN 380088 I 22 75 FORK 1ST 2ND 3RD 4TH NOTE 1 I 79 I Y M20 EXC SP H PER 2ND V V Q DESIGN 3743478 1 17 00 FORK REV WARNER T10 24 NOTE 1 I I V 80 81 Y M18 380088 I 22 75 FORK 1ST ZND 3RD 4TH i V I V I 80 81 Y M 18 V V 3743478 1 V 17 00 FORK RFI r V 4 307 V PIN SLEEVE Transmission Gaarshift I I V j V NOTE 1 1979 IST DESIGN MUNCIE 1979 ZND DESIGN WARNER I I VQ V 58 83 Y 3709315 1 55 PIN INT1 RLOCK 1 4 X 5 16 I I V V VV I 74 79 Y M20 M21 W SP H PER 3709315 I 55 PIN INTERLOCK 1 4 X 5 16 V I IV I i 79 Y M20 EXC SP H PER 2ND I V 9 I I DESIGN V 3709315 1 55 PIN INTERLOCK 1 4 X 5 16 NOTE 1 1 I I I I 80 81I Y M18 3709315 1 55 PIN N1 ER1 OCI I 4X5 16 V I I V Vg I 74 79 Y M20 M21 W SP H PER 380089 1 3 00 SLEEVE INTERLOCK 1 01025 OL V VI 74 79 Y M20 M21 W SF H PER 380090 1 I3 0O SLEEVEJNTERLOCK 1 01175 OL 1 I V IV 74 79 Y M20 M21 W SP H PER 380091 1 3 00 SLEEVE INTERLOCK 1 01325 OL I V I V V 74 79 Y M20 M21 W SP H PER 380092 1 V 3 00 SLEEVE INTERLOCK 1 01475 OL V V V 4 I WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION CHEVROLET 14A V IV V V TI IV VV REV 12 B3 I IMV1 I I 4 1054 307 ci I i V I I V 5 19 I Z 5 II V I 2 I Q 1I I ll V I I u I i I R I i I I l