TURBO HYDRAMATIC TRANSMISSION GMC GROUP 4 175 Con t 77 78 CGP 1 2 3 M H C w T H 400 475 8627456 1 123 95 SHAFT ASM w Plug tran output 17 4078 73 78 K 1 2 Blazer K Jimmy K w T H 350 8641088 I 72 50 SHAFT ASM outvut I7 4078 73 78 CP l 2 3 Blazer C Jimmy C w T H 350 78 GI 13 250 M38 w 3 07 or 3 40 Ratio 78 G213 292 M3B w 3 07 Ratio 78 GI13 213 305 350 M38 w 2 78 Ratio 78 G213 400 M38 w 2 76 Ratio 354649 1 72 00 SHAFT ASM trans otpt 17 4078 73 77 G 1 2 3 w T H 350 8840185 1 54 00 SHAFT ASM output short I7 4078 77 78 K 2 3 M40 8629461 I l47 40 SHAFT ASM output w hush I7 4078 78 Gl 2 3 350 400 M38 exc 2 76 ratio 78 G3 250 292 M38 78 G210 292 M38 w 3 07 or 3 40 ratio 78 G2l3 292 M3B w 3 40 ratio 78 G2 250 M38 78 G I I0 250 M38 w 3 07 3 40 or 3 73 78 G I I 3 250 M38 w 3 73 ratio 864 076 1 54 00 SHAFT ASM trans 0tDt 17 4078 73 78 All Blazer Jimmy w T H 350 1241728 I 30 25 SHELL sun drive gear 17 4234T 73 78 All M H C w T H 400 475 8626372 1 4 58 WASHER reaction carrier to output carrier 4 178 I7 4097 4 176 BUSHING BEARING RING SEAL WASHER Transmission Planet Carrier 73 78 All Blazer Jimmy w T H 350 3789034 1 1 50 BUSHING output shaft 17 4085N J 73 78 All Blazer Jimmy w T H 350 8261033 3 1 50 BUSHING sun gear or trans reaction planet carr 17 4085M 73 78 All M H C w T H 400 475 8624988 I 4 43 BUSHING output shaft 17 4085N 75 78 P3 M40 w P B JF9 or J78 903009 2 23 60 BEARING trans ext hsg slip yoke 17 0481T 73 78 All Blazer Jimmy w T H 350 9427759 I 4 95 BEARING output ring gear rear thrust 17 0481 T 73 78 All Blazer JimmY w T H 350 626I039 1 41 RING output carrier ret to output shaft 17 4228T 73 78 All Blazer Jimmy w T H 350 8281040 l 4l RING output ring gear supt to output shaft I7 4228 73 78 All Blazer Jimmy w T H 350 626I066 2 41 RING sun gear drive shell ret I7 4228T 73 78 All M H C w T H 400 77 78 K 3 T H 400 w 4BC 350 400 77 78 CG 3 M H C w T H 400 292 350 86281I2 1 4 31 RING front internal gear 17 4226N 73 78 All M H C w T H 400 475 8826173 I 2 13 RING snap output shaft to front internal gear snap 17 4226N 75 78 All M H C w T H 475 8827I99 1 4 03 RING front internal gear 17 4226N 73 75 All Blazer Jimmy w T H 350 8259148 1 1 00 SEAL frt output shaft yoke spline 17 8I10 73 78 K I 2 Blazer K Jimmy K w full time transfer case 6259149 1 1 00 SEAL rear output shaft yoke spline 17 8110 73 76 All Blazer Jimmy w T H 350 6261124 1 1 15 WASHER output ring gear front Q thrust 17 4239N WAREHUUSING AND DISTRIBUTIONDIVISION UF GENERAL MOTORS CORPORATION LT TRUCK 5l 4 175 4 176 4 44 REV 2 83