GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1991 🢒 Custom Cruiser 🢒 Bulletins 🢒 CAMPAIGN: 4L60 SOFT TURBINE SHAFT, BREAKAGE/NO DRIVE POWER

CAMPAIGN: 4L60 SOFT TURBINE SHAFT, BREAKAGE/NO DRIVE POWER

*** NOTE: CHEVROLET BAILMENT VEHICLE VINS FROM ADMINISTRATIVE MESSAGE 02-206 ARE SHOWN BEGINNING ON LINE 511. ***

GENERAL MOTORS HAS DETERMINED THAT A SMALL NUMBER OF 1991 CHEVROLET AND GMC C/K PICKUP TRUCKS AND G-VANS AND CHEVROLET CAPRICE, OLDSMOBILE CUSTOM CRUISER AND BUICK ROADMASTER MODELS EQUIPPED WITH 4L60 AUTOMATIC TRANSMISSIONS, MAY HAVE BEEN BUILT WITH A TRANSMISSION TURBINE SHAFT THAT MAY BE AT LESS THAN SPECIFIED HARDNESS. THIS IS LIKELY TO CAUSE A FAILURE OF THE TURBINE SHAFT IN THE FIRST 2,000 MILES OF VEHICLE USAGE RESULTING IN TOTAL LOSS OF DRIVE POWER IN FORWARD AND/OR REVERSE.

TO PREVENT THIS CONDITION FROM OCCURRING, IT IS NECESSARY TO REPLACE THE TRANSMISSION WITH A NEW TRANSMISSION ASSEMBLY.

OWNER NOTIFICATION

NO OWNER LETTER WILL BE SENT SINCE THE VEHICLES SHOULD BE IN DEALER NEW VEHICLE INVENTORY. IF ANY UNITS HAVE BEEN DELIVERED OR DEALER TRANSFERRED, PLEASE IMMEDIATELY CONTACT RESPECTIVE PURCHASER OR DEALER TO HAVE CAMPAIGN REPAIRS PERFORMED.

VEHICLES INVOLVED

INVOLVED ARE CERTAIN 1991 CHEVROLET AND GMC C/K PICKUP TRUCKS AND G-VANS, AND CHEVROLET CAPRICE, OLDSMOBILE CUSTOM CRUISER AND BUICK ROADMASTER MODELS EQUIPPED WITH 4L60 AUTOMATIC TRANSMISSIONS (MD8) BUILT BETWEEN 5/31/91 AND 6/4/91. VIN'S OF INVOLVED VEHICLES ARE SHOWN ON THE FOLLOWING LISTING.

*** CHEVROLET VIN INFORMATION *** ===================================

1991 C, K AND G-VAN MODELS

DEALER VIN DEALER VIN

02169 2GCEC19K9M1221534 02332 1GCDG15Z0M7134079 03025 2GCEK19KXM1222372 03345 2GCEC19KXM1222174 04209 2GCEK19K0M1222347 04328 2GCEK19K1M1222289 04396 2GCEK19K7M1222183 04511 2GCEK19K1M1222132 04511 2GCFC29K0M1222131 04652 2GCEC19KXM1222076 04779 2GCEK19K8M1222399 04808 2GCEK19K2M1222124 05018 2GCEK19K8M1222127 05368 2GCEK19K5M1222148 05384 1GCDC14Z5MZ203359 05386 2GCEC19K5M1222096 05428 2GCEC19K8M1222058 05545 2GCEC19K6M1222141 05549 2GCEC19K1M1222046 05591 2GCEC19KXM1222305 05974 2GCEC19K9M1222215 06005 2GCEK19K5M1222523 06010 2GCFK29K2M1222358 06024 2GCEC19K0M1222085 06024 2GCEC19K2M1221293 06024 2GCEK19K3M1222634 06081 1GCFC24K9MZ203690 06112 2GCFK29KXM1221314 06115 2GCEC19K2M1222315 06154 2GCEC19K0M1221468 06154 2GCEC19K1M1221656 06154 2GCEC19K9M1221405 06162 1GCDC14K1MZ203765 06192 2GCEK19K1M1222664 06197 1GCDC14H4MZ203876 06225 2GCEC19K6M1221491 06225 2GCFK29K2M1222263 06258 1GCDC14K3MZ203539 06417 2GCEK19K3M1222245 06417 2GCEK19K9M1222248 06421 2GCFK29K7M1222274 06421 2GCFK29K8M1222283 06434 2GCEC19K4M1221666 06444 1GCDC14HXMZ203719 06444 1GCDC14K9MZ203545 06464 2GCEC19K8M1222321 06496 1GNEG25H0M7135253 06499 2GCEK19K5M1222621 06499 2GCFK29K9M1221708 06509 2GCEC19K3M1222484 06554 1GCDK14K0MZ203680 06589 1GCDC14K0MZ203756 06589 2GCEC19K0M1221552 06610 2GCEC19K4M1222221 06628 2GCEC19K2M1221570 06628 2GCEC19KXM1221543 06648 1GCDC14H4MZ203537 06654 2GCEC19K0M1222393 06654 2GCEC19K2M1221441 06654 2GCEC19K6M1222589 07016 2GCEC19K6M1222169 07017 2GCEK19K3M1222410 07030 2GCEC19K2M1222184 07030 2GCEC19K3M1222095 07038 2GCEC19K2M1222329 07038 2GCEK19K1M1222552 07106 2GCEC19K0M1222068 07178 2GCEC19K4M1221537 07215 2GCEC19KXM1222272 07216 2GCEC19K1M1222077 07226 2GCEC19K6M1222236 07242 2GCEC19K8M1222299 07341 2GCEK19K8M1222371 07354 2GCEC19K9M1222084 07427 2GCEC19K2M1222069 07497 2GCEC19K4M1221540 07530 2GCEC19K2M1222167 07616 2GCEK19KXM1222100 07723 2GCEC19K2M1222430 07724 2GCEC19K0M1222071 07759 2GCEC19K4M1222588 07785 2GCEC19K8M1222237 07786 1GAFG35K1M7135124 07902 2GCEK19K7M1222152 08026 1GCDC14K3MZ203749 08058 1GCDC14HXMZ203607 08058 1GCDC14HXMZ203641 08072 1GCDC14K3MZ203752( 08072 1GCFC24K0MZ203514 08086 2GCEC19K5M1222163 08087 1GCDC14K3MZ203525 08126 1GCDC14H4MZ203859 08133 2GCEC19K3M1222128 08140 2GCEC19K1M1222063 08146 2GCEC19K1M1222113 08188 1GCDC14K6MZ203535 08220 1GCDC14K4MZ203761 08252 1GCDC14H6MZ203622 08267 2GCEK19K6M1222630 08281 1GCDC14H6MZ203524 08304 1GCDC14Z1MZ203360 08348 1GCDC14K2MZ203581 08359 1GCDC14K3MZ203671 08364 1GCDC14H8MZ203668 08388 1GCDC14K8MZ203567 08434 1GCDC14H5MZ203630 08443 2GCEC19KXM1222109 08468 1GCDC14K1MZ203748 08491 1GCDC14K6MZ203759 08491 1GCDC14K9MZ203688 08535 2GCEK19K0M1222123 08565 1GCDK14K1MZ203638 08574 1GCDC14Z8MZ203419 08613 2GCEC19K5M1222082 08802 1GCDC14Z4MZ203417 09096 1GAFG35K1M7134930 09096 1GAFG35K7M7135077 09263 2GCEC19HXM1221532 09263 2GCEC19HXM1221532 09401 1GCEG25H1M7135173 09461 2GCEG25Z1M4138188 09461 2GCEG25Z9M4138164 09563 2GCFC29K3M1221538 10097 2GCFK29K0M1222150 10178 1GAFG35K2M7135150 10235 2GCEK19K8M1222614 10256 2GCEK19K0M1222168 10288 2GCEK19K4M1222304 10365 2GCFK29K1M1222366 10461 2GCFK29K0M1222200 10583 2GCEK19K5M1222117 10688 2GCEK19K3M1222262 11129 1GCEG25H8M7134831 11192 2GBEG25Z3M4138259 11293 2GCEG25H0M4138223 11297 2GBEG25K5M4138184 11360 2GCEC19K0M1222216 11398 2GCDG15H0M4138244 11479 1GBEG25K2M7134971 11479 1GBEG25K3M7135241 11479 1GBEG25K5M7134933 11481 2GCEG25K6M4138173 11493 2GCFC29K7M1222062 13043 2GCEC19K1M1222239 13085 1GCEG25Z0M7135111 13085 1GNDG15Z7M7135152 13085 2GCEK19K6M1222160 13126 2GCEK19K9M1222170 15147 1GCEG25Z0M7135187 15196 2GCEK19K7M1222166 15424 2GCEK19K5M1222103 15521 2GCEK19K5M1222487 15539 2GCEC19K1M1222161 16014 1GCDC14K7MZ203687 16084 2GCEG25H8M4138132 16140 2GCEG25K5M4138147 16348 1GCEG25K0M7135127 16444 2GCDG15Z6M4138256 16696 2GCEG25K6M4138254 16795 2GCEG25H3M4138457 17010 2GCEK19K9M1222590 17034 1GCDC14Z5MZ203393 17085 2GCEC19K4M1222056 17117 1GCDC14H7MZ203614 17257 2GCEC19K0M1222300 17261 2GCEK19K6M1222384 17328 1GCDC14H4MZ203585 17354 1GCDC14H1MZ203835 17455 2GCEK19K1M1222275 17476 2GCEC19K4M1222428 17476 2GCFK29K8M1222381 17483 1GCDC14K1MZ203751 17483 2GCEC19K3M1222209 17531 2GCEC19KXM1222255 17531 2GCEC19KXM1222420 17566 1GCEG25K1M7134875 17574 2GCEC19K8M1222318 17619 2GCEK19K6M1222627 17639 2GCEK19K9M1222119 17788 2GCEC19K1M1222306 19078 2GCEK19K6M1222210 19184 2GCEK19K8M1222192 19370 2GCEK19KXM1222369 19458 2GCEG25K9M4138166 19588 2GCFK29K1M1221539 20009 1GAFG35K8M7134830 20066 2GCEC19K4M1221635 20084 2GCEC19K8M1221606 20091 1GCDC14K8MZ203746 20091 2GCEC19K3M1221416 20091 2GCEC19KXM1222207 20104 2GCEC19K1M1221267 20104 2GCEC19K1M1221799 20158 2GCEC19K4M1222235 20193 2GCEC19K6M1221586 20216 2GCEC19K5M1221448 20274 1GCDC14K2MZ203516 20284 2GCEC19K0M1222488 20356 2GCEK19K4M1222397 20485 2GCEC19K1M1221351 20654 2GCFC29K4M1222116 20720 2GCEC19K4M1221229 26063 1GCDC14K8MZ203553 26187 2GCDG15Z5M4138216 26266 1GCDC14K9MZ203786 26326 1GCDC14K0MZ203546 26358 2GCEC19K9M1222053 26495 1GCDC14Z1MZ203570 30012 2GCEC19K0M1222135 30043 1GCDC14K3MZ203511 30043 2GCEC19K5M1222115 30238 1GCDC14KXMZ203554 30282 2GCEC19K9M1222280 30369 2GCEK19K8M1222385 30401 1GCDC14K0MZ203675 30457 2GCEC19K0M1222409 30457 2GCEC19K8M1222173 30483 2GCEC19K9M1222232 30548 1GCEG25H9M7134871 30548 1GCEG25H9M7134903 30603 2GCEK19K8M1222645 30650 2GCEC19K5M1222213 30687 1GCDC14K3MZ203783 32471 2GCEK19K9M1222394 32601 2GCEK19K0M1222350 32663 2GCEG25K3M4138213 44005 2GCEC19K8M1222240 44023 2GCEC19K3M1222162 44046 2GCEC19K0M1222412 44227 2GCCG15Z8M4138139 44235 2GCEG25K1M4138176 44237 2GCEC19K4M1222185 44242 2GCED25H7M4138154 44507 1GNEG25K9M7134968 44529 1GCFG35Z1M7134964 44533 2GCEC19K8M1222139 48162 1GNEG25HXM7135082 48591 2GCEK19K5M1222151 70847 2GCFC29KXM1222251 CANADIAN 80449 2GCEC19K7M1222181 CANADIAN 80534 2GBEG25K2M4138160 CANADIAN 80534 2GBEG25K7M4138204 CANADIAN 80590 2GCEG25Z5M4138226 CANADIAN 80590 2GCEG25ZXM4138240 CANADIAN 81015 2GCEK19K9M1221536 CANADIAN 82089 2GCEK19K2M1222172 CANADIAN 82103 2GCEK19K6M1222398 CANADIAN 82124 2GCEC19K5M1222065 CANADIAN 82235 2GCEK19K6M1222143 CANADIAN 84897 2GCFK29K0M1222164 CANADIAN 95002 2GCFK29K4M1222281 CANADIAN 96279 2GCEK19K8M1221527 CANADIAN

END OF CHEVROLET C,K AND G-VAN VIN'S

1991 CAPRICE MODELS

DEALER VIN DEALER VIN

02273 1G1BL83E0MW254194 02332 1G1BL5370MW254812 02332 1G1BL5370MW254812 02332 1G1BL5372MW254133 02332 1G1BL5373MW254142 02332 1G1BL5373MW254156 02332 1G1BL5374MW254232 02332 1G1BL5374MW254358 02332 1G1BL5374MW254408 02332 1G1BL5374MW254411 02332 1G1BL5375MW254160 02332 1G1BL5375MW254241 02332 1G1BL5375MW254322 02332 1G1BL5375MW254353 02332 1G1BL5376MW254412 02332 1G1BL5377MW254208 02332 1G1BL5378MW254363 02332 1G1BL5378MW254377 02332 1G1BL5378MW254413 02332 1G1BL537XMW254168 02332 1G1BL537XMW254381 03520 1G1BL83E7MW254175 14096 1G1BL83E5MW254188 14283 1G1BL5376MW254152 14421 1G1BL83E2MW254343 20135 1G1BL83E4MW254330 26095 1G1BL83E4MW254182 32090 1G1BL537XMW254199 32565 1G1BL5372MW254214 32565 1G1BL537XMW254459 32565 1G1BL537XMW254459 44521 1G1BL53E2MW254776 44521 1G1BL53E2MW254776 C2213 1G1BN53E3MW254683 C2243 1G1BL53E0MW254713 C2300 1G1BL83E4MW254909 C2300 1G1BN53E8MW254730 F7364 1G1BL83E9MW254324 EXPORT(

ADDITIONAL 1991 CAPRICE MODELS

02332 1G1BL5374MW254974 32565 1G1BL5378MW254864 48271 1G1BL53E7MW254630 C2235 1G1BN53E1MW254794 END OF 1991 CAPRICE VIN'S

*** BUICK VIN INFORMATION *** =====================================

33566 1G4BR83E5MW405760 35490 1G4BR83E8MW405767 35515 1G4BR83E7MW405775 95535 1G4BR83E8MW405770

*** OLDSMOBILE VIN INFORMATION *** =====================================

DEALER 03-728, PHILANZ OLDS, ROCHESTER, NY 1G3BP83E2MW306601 DEALER 04-145, DUKE OLDS, SUFFOLK, VA 1G3BP83E2MW306551 DEALER 07-170, CENTRAL OLDS, HAMTRAMCK, MI 1G3BP83E8MW306604 DEALER 24-587, RANCHO OLDS, SAN DIEGO, CA 1G3BP83E1MW306539 DEALER 26-796, SCHUMACHER BUICK-OLDS, WEST PALM BEACH, FL 1G3BP83EXMW306555

*** GMC TRUCK VIN INFORMATION *** ===================================

SELLING SHIP TO DEALER DEALER CODE CODE VIN (SELLING DEALER CODE ORDER)

48-06075 48-06075 2GTFC29K1M1544647 48-06128 48-54988 2GDEG25KXM4514370 48-06128 48-54988 2GDEG25K9M4514375 48-06128 48-63297 2GDEG25K2M4514377 48-06128 48-54988 2GDEG25K8M4514397 48-06128 48-54988 2GDEG25K8M4514416 48-06128 48-54988 2GDEG25K2M4514427 48-06267 48-06267 2GTFK29K0M1544884 48-10300 48-10300 2GTEK19K5M1544692 48-10471 48-10471 2GTEK19K6M1544801 48-18003 48-18003 2GTFK29K1M1544800 48-18046 48-18046 2GTEK19K3M1544805 48-21049 48-21049 2GTEK19K9M1544789 48-21057 48-21057 2GTFC29KXM1544680 48-21322 48-21322 1GKEG25K8M7514817 48-21334 48-21334 2GTEC19K1M1544654 48-21524 48-21524 1GTDC14H7MZ531194 48-21648 48-21648 2GTEC19K4M1544681 48-21998 48-21998 2GTEC19KXM1544717 48-30083 48-30083 2GTEC19K0M1544676 48-30135 48-30135 2GTEK19K5M1544787 48-30317 48-30317 2GTEC19KXM1544779 48-30437 48-30437 2GTEC19K9M1544661 48-30553 48-30553 2GTFC29K7M1544698 48-30641 48-62553 2GDEG25K6M4514379 48-30641 48-62553 2GDEG25K6M4514401 48-40001 48-40001 2GTFK29KXM1544830 48-40001 48-40001 2GTEK19K9M1544890 48-40035 48-40035 1GTEG25H9M7514762 48-40050 48-40050 2GTFC29K7M1544829 48-40075 48-40075 2GTFK29K6M1544713 48-40092 48-40092 2GTEK19K4M1544764 48-40116 48-40116 1GTDC14K4MZ531195 48-40155 48-40155 2GTFK29K9M1544785 48-40162 48-40162 2GTFK29K6M1544887 48-40203 48-40203 2GTFC29K4M1544724 48-40220 48-40220 2GTFK29K9M1544821 48-40998 48-40998 2GTEC19K9M1544756 48-42004 48-42004 2GTEK19K5M1544837 48-42022 48-42022 2GTEC19K4M1544728 48-42022 48-42022 2GTFC29K9M1544749 48-42022 48-42022 2GTEC19K3M1544784 48-42044 48-42044 2GTEC19K9M1544921 48-42067 48-42067 2GTEC19K6M1544732 48-42078 48-42078 2GTEC19K0M1544757 48-44618 48-44618 2GTEK19K8M1544797 48-44629 48-44629 2GTEK19K2M1544777 48-47035 48-47035 1GDDC14K3MZ531197 48-47085 48-47085 2GTEC19KXM1544748 48-47090 48-47090 2GTEC19K3M1544655 48-47302 48-64163 2GDEG25Z1M4514366 48-47302 48-47302 2GTEC19K6M1544679 48-47302 48-47302 2GTEC19KXM1544684 48-47332 48-47332 2GTEC19K4M1544745 48-47351 48-47351 2GTEC19K6M1544682 48-50090 48-50090 2GTEC19K1M1544721 48-50141 48-50141 1GTDC14HXMZ531206 48-50409 48-50409 2GTEC19K0M1544760 48-51085 48-51085 1GTDC14Z0MZ531174 48-51085 48-51085 1GTDC14Z8MZ531200 48-51191 48-51191 1GTDC14K7MZ531207 48-51191 48-51191 2GTEC19K7M1544710 48-51246 48-51246 2GTEC19K9M1544689 48-51264 48-51264 2GTEC19K1M1544668 48-53032 48-62863 2GDEG25Z5M4514404 48-53057 48-53057 2GTEC19K0M1544693 48-53395 48-53395 1GTDC14K5MZ531240 48-53512 48-53512 1GTDC14Z5MZ531221 48-56111 48-56111 2GDEG25K0M4514359 48-56111 48-56111 2GDEG25K9M4514425 48-56112 48-56112 1GDEG25K5M7514829 48-56115 48-56115 2GDEG25K9M4514361 48-56117 48-56117 2GDEG25K4M4514364 48-56117 48-56117 2GDEG25K4M4514395 48-56117 48-56117 2GDEG25K2M4514430 48-56120 48-56120 * 1GDEG25K6M7514760 48-56120 48-56120 * 1GDEG25K6M7514774 48-56120 48-56120 * 1GDEG25K9M7514803 48-56120 48-56120 * 1GDEG25K4M7514806 48-56120 48-56120 * 1GDEG25K1M7514827 48-56120 48-56120 * 1GDEG25K4M7514840 48-56120 48-56120 1GDEG25K6M7514855 48-56120 48-56120 * 1GDEG25KXM7514857 48-56120 48-56120 * 1GDEG25K4M7514868 48-56120 48-56120 * 1GDEG25K8M7514873 48-56120 48-56120 * 1GDEG25KXM7514874 48-56150 48-56150 1GDDC14K2MZ531224 48-56790 48-56790 2GTFK29K4M1544774 48-56886 48-56886 2GDEG25K9M4514411 48-56886 48-56886 2GDEG25K2M4514444

* VIN NO LONGER INVOLVED.

DEALER CAMPAIGN RESPONSIBILITY

DEALERS ARE TO SERVICE ALL VEHICLES SUBJECT TO THIS CAMPAIGN AT NO CHARGE TO OWNERS, REGARDLESS OF MILEAGE, AGE OF VEHICLE, OR OWNERSHIP, FROM THIS TIME FORWARD.

WHENEVER A VEHICLE SUBJECT TO THIS CAMPAIGN IS TAKEN INTO YOUR NEW OR USED VEHICLE INVENTORY, OR IT IS IN YOUR DEALERSHIP FOR SERVICE IN THE FUTURE, YOU SHOULD TAKE THE STEPS NECESSARY TO BE SURE THE CAMPAIGN CORRECTION HAS BEEN MADE BEFORE RESELLING OR RELEASING THE VEHICLE.

OWNERS OF VEHICLES RECENTLY SOLD FROM YOUR NEW VEHICLE INVENTORY ARE TO BE CONTACTED BY THE DEALER, AND ARRANGEMENTS MADE TO MAKE THE REQUIRED CORRECTION ACCORDING TO INSTRUCTIONS CONTAINED IN THIS BULLETIN.

PARTS INFORMATION

A NEW TRANSMISSION FOR EACH VEHICLE INVOLVED WILL BE SHIPPED TO INVOLVED DEALERS BY GM POWERTRAIN DIVISION (HYDRA-MATIC) ON A NO CHARGE BASIS. THE REPLACED UNIT IS TO BE RETURNED TO GM POWERTRAIN DIVISION (HYDRA-MATIC) IMMEDIATELY TO AVOID A CHARGEBACK.

TRANSMISSION RETURN PROCEDURE:

NEW TRANSMISSIONS WILL BE SHIPPED IN A REUSABLE PLASTIC SHIPPING CONTAINER. THIS CONTAINER SHOULD BE USED TO RETURN THE REPLACED TRANSMISSION. RETURN SHIPPING INSTRUCTIONS AS WELL AS A RETURN SHIPPING LABEL WILL BE INCLUDED WITH THE NEW TRANSMISSION.

1. DRAIN AS MUCH OIL FROM THE REPLACEMENT TRANSMISSION AS POSSIBLE.

2. REMOVE SHIPPING SUPPORT FROM TRANSMISSION AND INSTALL IT ON THE REPLACED TRANSMISSION. THIS SUPPORT WILL SECURE THE CONVERTER TO PREVENT MOVEMENT AND TRANSMISSION DAMAGE.

3. PUT REPLACED TRANSMISSION IN PLASTIC SHIPPING CONTAINER, ATTACH THE SHIPPING LABEL PROVIDED AND RETURN COLLECT TO GM POWERTRAIN VIA GROUND TRANSPORTATION (NOT AIR FREIGHT).

GM POWERTRAIN 1455 WEST ALEXIS ROAD TOLEDO, OH 43612

THE CHEVROLET PRODUCT CAMPAIGN 91C18 TURBINE SHAFT CONTACT AT GM POWERTRAIN DIVISION (HYDRA-MATIC) CAN BE TELEPHONED ON (419) 470-5070 OR 470-5096.

DO NOT ORDER A TRANSMISSION ASSEMBLY FROM GENERAL MOTORS SERVICE PARTS OPERATION (GMSPO).

HOWEVER THE FOLLOWING PARTS, AS NEEDED, ARE TO BE OBTAINED FROM GENERAL MOTORS SERVICE PARTS OPERATION (GMSPO). TO ENSURE THESE PARTS WILL BE OBTAINED AS SOON AS POSSIBLE, THEY SHOULD BE ORDERED FROM GMSPO ON A C.I.O. ORDER WITH NO SPECIAL INSTRUCTION CODE, BUT ON AN ADVISE CODE (2).

PARTS INFORMATION (CONT'D)

PART MODEL NUMBER DESCRIPTION QUANTITY

K TRUCK 15642510 GASKET, TRANSFER CASE ADAPTOR 1

K TRUCK 01358899 SEAL, TRANSFER CASE ADAPTOR 1

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

SERVICE PROCEDURE

PLEASE FOLLOW THE DIRECTIONS FOR 4L60 AUTOMATIC TRANSMISSION ASSEMBLY REPLACEMENT AS SPECIFIED IN THE RESPECTIVE 1991 CHEVROLET SERVICE MANUALS FOR 1991 C/K PICKUPS, G-VANS, AND CAPRICE EXCEPT:

1. INSTALL A "CAMPAIGN IDENTIFICATION LABEL" ON THE RADIATOR CORE SUPPORT AFTER PERFORMING CAMPAIGN REPAIRS.

CAMPAIGN IDENTIFICATION LABEL

EACH VEHICLE CORRECTED IN ACCORDANCE WITH THE INSTRUCTIONS OUTLINED IN THIS PRODUCT CAMPAIGN BULLETIN WILL REQUIRE A "CAMPAIGN IDENTIFICATION LABEL." EACH LABEL PROVIDES A SPACE TO INCLUDE THE FIVE (5) DIGIT DEALER CODE OF THE DEALER PERFORMING THE CAMPAIGN SERVICE. THIS INFORMATION MAY BE INSERTED WITH A TYPEWRITER OR A BALL POINT PEN.

EACH "CAMPAIGN IDENTIFICATION LABEL" IS TO BE LOCATED ON THE RADIATOR CORE SUPPORT IN AN AREA WHICH WILL BE VISIBLE WHEN THE VEHICLE IS BROUGHT IN FOR PERIODIC SERVICING BY THE OWNER.

APPLY "CAMPAIGN IDENTIFICATION LABEL" ONLY ON A CLEAN, DRY SURFACE.(

CLAIM INFORMATION

SUBMIT A PRODUCT CAMPAIGN CLAIM WITH THE INFORMATION INDICATED BELOW.

** * *** REPAIR PARTS LABOR LAB OTH NET PERFORMED PC ALLOW CC/FC OP HRS HRS AMT

TRANS. ASSY., - $57.56 SK-00 V6820 2.8 0.1 $#.## REPLACE C TRUCK

TRANS. ASSY., - $57.56 SK-00 V6821 4.2 0.1 $#.## REPLACE K TRUCK +

TRANS. ASSY., - $57.56 SK-00 V8622 2.6 0.1 $#.## REPLACE G-VAN

TRANS. ASSY., - $57.56 SK-00 V6823 3.2 0.1 $#.## REPLACE B-CAR

+ K TRUCK ADD: IF EQUIPPED WITH SKID PLATE 0.2

* CAMPAIGN ADMINISTRATIVE ALLOWANCE OF 0.1 HOURS

** THE AMOUNT IDENTIFIED IN THE "PARTS ALLOWANCE" COLUMN ABOVE REPRESENTS 30% OF DEALER NET PRICE FOR PARTS (INPUT CLUTCH HOUSING, TRANSMISSION GASKET KIT AND SNAP

RING KIT) THAT WOULD BE REQUIRED TO REPAIR THESE TRANSMISSIONS. THIS AMOUNT IS TO BE INCLUDED IN THE NET AMOUNT COLUMN.

*** THE "NET AMOUNT" COLUMN SHOULD REPRESENT MISCELLANEOUS ITEMS SUCH AS AUTOMATIC TRANSMISSION FLUID & TRANSFER CASE FLUID USED IN CONJUNCTION WITH THE ABOVE LABOR OPERATION AND SHOULD BE ADDED TO THE ABOVE "PARTS ALLOWANCE".

REFER TO THE CHEVROLET CLAIMS PROCESSING MANUAL FOR DETAILS ON PRODUCT CAMPAIGN CLAIM SUBMISSION.

STOP DELIVERY CANCELLATION

COMPLETING THE CAMPAIGN SERVICE PROCEDURE REFERENCED ABOVE ON INVOLVED VEHICLES LISTED CANCELS THE STOP DELIVERY NOTICE COMMUNICATED IN DCS ADMINISTRATIVE MESSAGE 02-202 CREATED ON JUNE 13, 1991.

PLEASE COMMUNICATE THIS INFORMATION TO YOUR SERVICE MANAGER.

I. L. CLAY, MANAGER TECHNICAL SERVICE DEPARTMENT(

COPYRIGHT 1991 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION ALL RIGHTS RESERVED

CHEVROLET BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER." THEY ARE WRITTEN TO INFORM THESE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS, AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE HAS THAT CONDITION. SEE YOUR CHEVROLET DEALER FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THAT INFORMATION.

*** BAILMENT ACCOUNT VIN INFORMATION *** NOTE: BAILMENT ACCOUNTS WHICH HAVE BEEN PREVIOUSLY APPROVED BY CHEVROLET MOTOR DIVISION TO COMPLETE IN-SHOP CHEVROLET WARRANTY REPAIRS AND CHEVROLET PRODUCT CAMPAIGNS ARE TO PREVENT THIS CONDITION FROM OCCURRING BY REPLACING THE TRANSMISSION WITH A NEW TRANSMISSION ASSEMBLY AS INSTRUCTED IN THE SERVICE PROCEDUR SECTION BELOW.

BAILMENT ACCOUNTS WHICH DO NOT PERFORM IN-SHOP CHEVROLET WARRANTY REPAIRS AND CHEVROLET PRODUCT CAMPAIGNS ARE TO CONTACT THE CHEVROLET DEALER WHO PERFORMS THESE REPAIRS FOR THEM TO REPLACE THE TRANSMISSION WITH A NEW TRANSMISSION ASSEMBLY (PLEASE PROVIDE CHEVROLET DEALER WITH A COPY OF THIS COMMUNICATION).

OWNER NOTIFICATION

NO OWNER LETTER WILL BE SENT SINCE THE VEHICLES SHOULD BE IN BAILMENT NEW VEHICLE INVENTORY. IF ANY UNITS HAVE BEEN DELIVERED OR DEALER TRANSFERRED, PLEASE IMMEDIATELY CONTACT RESPECTIV PURCHASER OR DEALER TO HAVE CAMPAIGN REPAIRS PERFORMED.

VEHICLES INVOLVED

INVOLVED ARE CERTAIN 1991 CHEVROLET C/K PICKUP TRUCKS, AND G-VANS EQUIPPED WITH 4L60 AUTOMATIC TRANSMISSIONS (MD8) BUILT 5/31/91 AND 6/4/91. VIN'S OF INVOLVED VEHICLES ARE SHOWN ON THE FOLLOWING LISTING.

ALTHOUGH VIN WAS INCLUDED IN THE STOP DELIVERY NOTICE DCS ADMINISTRATIVE MESSAGE 02-201 CREATED ON 6/13/91 VEHICLE DOES NOT REQUIRE ANY CAMPAIGN ACTION AND IS RELEASED FROM THE STOP DELIVERY NOTICE.

1991 C, K AND G-VAN MODELS

BAILMENT BAILMENT ACCOUNT VIN ACCOUNT VIN

59009 2GBEC19K9M1221232 59009 1GBDC14H0MZ203863 59219 2GBEC19K4M1222157 59242 1GBEG25KXM7134913 59242 2GBEG25K2M4138157 59242 2GBEG25KXM4138231 59242 1GBEG25K8M7135056 59242 1GBEG25K2M7135215 59264 2GBEG25K2M4138207 59264 2GBEG25K4M4138239 59264 1GBEG25K0M7134922 59264 1GBEG25KXM7135186 59264 1GBEG25K8M7135199 59278 2GCEC19KXM1221784 59350 2GBEG25Z3M4138259 59473 1GBEG25K4M7134969 59473 1GBEG25K7M7135078 59473 1GBEG25K6M7135119 59473 1GBEG25K4M7135149 59473 1GBEG25K3M7135188 59514 2GBEG25K3M4138202 59514 1GBEG25K9M7134868 59651 2GBEG25Z3M4138133 59651 2GBEG25Z2M4138141 59651 2GBEG25Z0M4138168 59651 2GBEG25Z1M4138177 59651 2GBEG25Z2M4138186 59651 2GBEG25Z0M4138221 59651 2GBEG25Z3M4138242 59651 2GBEG25Z0M4138249 59652 1GBEG25KXM7134832 59652 1GBEG25K6M7135007 59654 1GBEG25K2M7134933 59654 1GBEG25K2M7134971 59654 1GBEG25K3M7135241 59725 2GBEG25Z4M4138237 59729 2GBEG25K5M4138184 59745 2GBEG25ZXM4138159 59745 2GBEG25Z3M4138181 59746 2GBEG25K1M4138179 59775 2GBEK19K1M1222121 59775 2GBEK19K1M1222295 59849 2GCEC19K8M1222271 END OF VIN'S