GM04 2692 1988 1989 B AUTOMATIC TRANSMISSION MD8 TIHM700 R4 A T CONTROL VALVE 1990 B AUTOMATIC TRANSMISSION MD8 HM 4L60 CONTROL VALVE f 301 N S VALVE T V MOD DN SHFT 1 302 N S SPRING T V MOD DN SHFT VLV 1 303 N S VALVE T V MOD U PSH FT 1 304 N S SPRING T V MOD UPSH FT VLV 1 305 N S SLEEVE CONVR CL U THROT VLV 1 5 306 N S SPRING CONVR CI U THROT VLV 1 5 307 N S VALVE CONVR CLIJ THROT 1 5 308 N S VALVE CONVR CLIJ SHFT 1 5 309 N S SLEEVE 3 4 THROT VLV 1 310 N S SPRING 3 4 THRO I VLV 1 311 N S VALVE 3 4 THROT 1 312 N S VALVE 3 4 SHFT 1 313 N S SLEEVE 2 3 TI IROT VLV 1 314 N S SPRING 2 3 THRO T VLV 1 315 N S VALVE 2 3 THROT 1 316 N S VALVE 2 3 SHFT 1 317 N S SLEEVE 1 2 TH ROT VLV 1 318 N S SPRING 1 2 THROT VLV 1 319 N S VALVE 1 2 THROT 1 322 N S VALVE 1 2 SH FT 1 323 N S SLEEVE THROT Vl V PLGR 1 324 Y N S PLUNGER THROT VLV 1 325 N S SPRING THROT VI V 1 326 N S VALVE THROT 1 328 N S VALVE 3 4 RLY 1 329 N S VALVE 4 3 SEOUE NCE 1 330 N S SPRING 4 3 SEQUENCE VLV 1 331 N S SPRING T V LIMIT VLV 1 I 332 N S VALVE T V L MIT 1 333 N S VALVE 1 2 ACCUM 1 334 N S BUSHING 1 2 ACCZUM VLV 1 335 N S SPRING 1 2 ACCUIM VLV 1 336 N S VALVE LINE BIAS 1 337 N S SPRING LINE BIAS VLV 1 f 338 N S SPRING 3 2 CONT VLV 1 339 N S VALVE 3 2 CONT 1 340 4 265 VALVE MAN 8642336 341 4 265 PIN COILED SPR 22 75MM X 25MM 5 8628400 342 4 216 PIN COILED SPR 12 75MM X 20MM 8654196 343 4 224 SLEEVE SPR RET 8631290 344 4 216 PLUG VLV BORE 14 22 MM DIA 8625546 345 4 265 PLUG CUP 8 38 MM DIA 8639141 346 N S SWITCH 3RD CLUI PRESS LT TRI ONLY 347 4 265 SWITCH 4 3 PULSE PRESS 1988 8YKM YNM YTIM 8642346 4 265 SWITCH 4 3 PULSE PRESS 1989 9YTM 8642346 348 4 265 SWITCH 4TH CL PRESS 1 PRONG 1988 8YDM YKM YMM YNM 4 8634475 4 265 SWITCH 4TH CL PRESS 1 PRONG 1988 8YTIVI YWM YXM YZM 4 8634475 349 4 265 SWITCH TCC SIG PRESS 1986 PRIOR ONLY y 350 4 265 VALVE ASM CONT 1988 8YXM 2 4 8673107 4 265 VALVE ASM CONT 1988 8YTM 2 4 8 667438 4 265 VALVE ASM CONT 1988 8YMM 2 4 8667439 4 265 VALVE ASM CONT 1988 8YWM 2 4 8667440 4 265 VALVE ASM CONT 1988 8YDM 2 4 8667442 4 265 VALVE ASM CONT 1988 8YZM 2 4 8667443 4 265 VALVE ASM CONT 1988 8YKM 2 4 8667445 4 265 VALVE ASM CONT 1988 8YNM 2 4 8667446 4 265 VALVE ASM CONT 1988 8YPM 2 4 8667515 351 4 265 PLUG T V LIMIT VLV 8647453 352 4 216 PLUG VLV BORE 12 5 MM OD 8634239 354 4 265 PLUG CONVR CLIJ SHFT VLV BORE 3 5 8654336 355 4 265 PLUG CONVR CLU T V BUSH BORE 3 5 8654337 NOTE 1 PART OF ITEM 350 NOTE 2 SERVICE CONTROL VALVE INCLUDES ALL ITEMS ILLUSTRATED HERE NOTE 3 USED ONLY ON VEHICLES HAVING ECM CONTROL OF T C C APPLY NOTE 4 REFER PARTS CATALOG GROUP 4 000 FOR ADDITIONAL USAGE NOTE 5 1989 MODELS DO NOT USE THE CONVERTER CLUTCH TRCITTLE VALVE THEREFORE THE TCC BORE IS NOT NEEDED HAS BEEN ELIMANATED 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 17W 1 6 9 1 I 4 59 4 000 GROU P