CAMPAIGN: ENGINE OIL COOLER LINE DETACHES. GMC Truck Safari

GMC NUMBER: 90-C-10

GROUP: 6B - ENGINE COOLING

DATE: MAY 1990

SUBJECT: ENGINE OIL COOLER LINE FITTING

MODELS: 1990 L-VAN WITH KC4 ENGINE OIL COOLER

********************************************************************* * CONTENTS OF THIS BULLETIN SENT TO DEALERS VIA DCS MESSAGE ON * * FEBRUARY 9, 1990. * * NOTE: ADDITIONAL VINS ADDED TO "VEHICLES INVOLVED" SINCE DCS * * MESSAGE WAS SENT. * *********************************************************************

CERTAIN EARLY 1990 L-VANS EQUIPPED WITH AN ENGINE OIL COOLER HAVE A FITTING ON THE OIL COOLER OUTLET HOSE THAT MAY NOT BE PROPERLY SEATED. IF THIS FITTING DISCONNECTS IT CAN RESULT IN RAPID LOSS OF ENGINE OIL AND POSSIBLE ENGINE DAMAGE.

TO ASSURE THAT THE FITTING IS PROPERLY SEATED, IT WILL BE NECESSARY TO DISCONNECT THE HOSE ASSEMBLY AND RECONNECT IT PROPERLY.

VEHICLES INVOLVED

INVOLVED ARE CERTAIN EARLY 1990 L-VANS EQUIPPED WITH AN ENGINE OIL COOLER THAT HAS A QUICK CONNECT FITTING. DEALER CODES AND VEHICLES INVOLVED AND REQUIRING INSPECTION/REPAIR ARE LISTED BELOW:

CHEVROLET

YEAR MODEL PLANT FROM THROUGH

1990 L-VAN BALTIMORE LB100015 LB159216

GMC

ORIGINAL VIN'S ADDITIONAL VIN'S DEALER VIN DEALER VIN

48-56792 1GKDL15Z8LB500006 48-44611 1GKDL15Z6LB518097 48-56792 1GKDL15ZXLB500007 48-40035 1GKDL15Z9LB518109 48-61132 1GKDL15Z1LB500008 48-44611 1GKDL15Z8LB518330 48-56792 1GKDL15Z3LB500009 48-44156 1GKDL15Z7LB518335 48-56792 1GKDL15ZXLB500010 48-40158 1GKDL15Z0LB518354 48-56792 1GKDL15Z1LB500011 48-18112 1GKDL15Z3LB518431 48-56792 1GKEL19Z7LB510461 48-56792 1GDDL15Z3LB518470 48-56792 1GKEL19Z6LB513139 48-18056 1GKDL15Z1LB518489 48-44539 1GKDL15Z7LB514477 48-18056 1GKDL15Z3LB518509 48-44539 1GKDL15Z6LB514485 48-53563 1GKDL15Z8LB518568 48-44539 1GKDL15ZXLB514490 48-61008 1GKDL15Z7LB518626 48-44539 1GKDL15Z0LB514711 48-26694 1GDDL15ZXLB518689 48-44539 1GKDL15Z2LB514841 48-21041 1GKDL15Z4LB518695 48-44539 1GKDL15Z9LB514948 48-44611 1GKDL15Z4LB518745 48-44539 1GKDL15Z5LB515045 48-06176 1GKDL15Z4LB518857 48-18004 1GKDL15Z7LB515077 48-26177 1GKDL15Z4LB518891 48-44539 1GKDL15Z1LB515091 48-26022 1GKDL15Z4LB518969 48-44539 1GKDL15Z0LB515227 48-53083 1GKDL15Z3LB518980 48-44539 1GKDL15Z3LB515254 48-21022 1GKEL19Z4LB519022 48-44539 1GKDL15Z6LB515295 48-40029 1GKDL15Z8LB519056 48-44539 1GKDL15Z6LB515314 48-18066 1GKDL15Z8LB519073 48-21473 1GKDL15Z8LB515430 48-06083 1GKDL15Z5LB519225 48-44539 1GKDL15Z9LB515548 48-53191 1GKDL15Z8LB519266 48-44539 1GKDL15Z5LB515580 48-21472 1GKDL15Z9LB519292 48-44539 1GKDL15Z4LB515666 48-18276 1GKDL15Z9LB519339 48-44202 1GKDL15Z8LB515671 48-56792 1GKDL15Z2LB519361 48-44614 1GKDL15Z5LB515689 48-26138 1GKDL15ZXLB519415 48-40153 1GKDL15Z7LB516584 48-44156 1GKDL15Z9LB519485 48-26694 1GKDL15ZXLB516787 48-40031 1GKDL15Z1LB519500 48-61109 1GKDL15ZXLB516899 48-61008 1GKEL19Z2LB519519 48-61152 1GKDL15Z6LB517063 48-18015 1GKDL15Z4LB519524 48-61152 1GKDL15ZXLB517101 48-30493 1GKDL15Z0LB519536 48-61152 1GKDL15Z1LB517133 48-44370 1GKDL15Z6LB519539 48-61109 1GKDL15Z2LB517237 48-50523 1GKDL15Z5LB519547 48-21525 1GKDL15Z3LB517330 48-42306 1GKDL15Z5LB519581 48-40092 1GKDL15Z4LB517398 48-56792 1GKDL15Z2LB519604 48-10487 1GKDL15ZXLB517406 48-44614 1GKDL15Z6LB519718 48-61156 1GKDL15Z6LB517435 48-44174 1GKDL15Z1LB519724 48-21326 1GKDL15Z8LB517548 48-10039 1GKDL15Z9LB519762 48-40092 1GKDL15Z1LB517570 48-21647 1GDDL15Z2LB519769 48-61166 1GKDL15Z1LB517715 48-18015 1GKDL15Z9LB519776 48-56790 1GKDL15ZXLB517812 48-10144 1GKDL15Z2LB519781 48-56790 1GKDL15Z1LB517830 48-10039 1GKDL15Z1LB519805 48-18056 1GKDL15Z5LB519810 48-56792 1GKDL15Z5LB519838 48-10256 1GKDL15Z5LB519841 48-56792 1GTDL15Z0LB519855 48-56792 1GKDL15Z9LB519888 48-61152 1GKDL15Z5LB519922

THE SPECIFIC VEHICLES INVOLVED IN THIS CAMPAIGN HAVE BEEN IDENTIFIED BY VEHICLE IDENTIFICATION NUMBER COMPUTER LISTINGS. THESE LISTINGS ARE FURNISHED TO ALL INVOLVED DEALERS WITH THE CAMPAIGN BULLETIN.

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. DEALERS ARE TO CORRECT ALL AFFECTED VEHICLES IN NEW AND USED VEHICLE STOCK PRIOR TO THEIR SALE.

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 ENSURE 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.

IF NO OWNER'S NAME AND ADDRESS WERE AVAILABLE TO GMC TRUCK DIVISION AT THE TIME OF CAMPAIGN INITIATION, THE DEALER WILL DETERMINE THE OWNER'S NAME AND ADDRESS FROM THE DEALERSHIP SALES RECORDS. PLEASE PROVIDE THIS INFORMATION DIRECTLY ON THE SECOND COPY OF THE LISTING NEXT TO THE APPLICABLE VIN SO THAT OUR RECORDS MAY BE UPDATED AND THE APPROPRIATE NOTIFICATION MAILED TO THE OWNER. THIS SECOND COPY SHOULD THEN BE SUBMITTED TO THE ADDRESS LISTED BELOW IN THE PREVIOUSLY SUPPLIED YELLOW CAMPAIGN ENVELOPES.

GMC TRUCK DIVISION GENERAL MOTORS CORPORATION 101 UNION STREET PLYMOUTH, MICHIGAN 48170

OWNER NOTIFICATION

OWNERS WILL BE NOTIFIED OF THIS CAMPAIGN ON THEIR VEHICLES BY GMC TRUCK DIVISION (SEE COPY OF OWNER LETTER INCLUDED WITH THIS BULLETIN). A LISTING OF OWNER NAMES AND ADDRESSES HAS BEEN FURNISHED TO THE INVOLVED DEALERS TO ENABLE DEALERS TO FOLLOW UP WITH OWNERS INVOLVED IN THIS CAMPAIGN. THIS LISTING MAY CONTAIN OWNER NAMES AND ADDRESSES OBTAINED FROM STATE MOTOR VEHICLE REGISTRATION RECORDS. THE USE OF SUCH MOTOR VEHICLE REGISTRATION DATA FOR ANY OTHER PURPOSE IS A VIOLATION OF LAW IN SEVERAL STATES. ACCORDINGLY, YOU ARE URGED TO LIMIT THE USE OF THIS LISTING TO THIS CAMPAIGN.

SERVICE PROCEDURE

1. RAISE VEHICLE UP ON HOIST.

2. DEPRESS LOCKING TABS ON PLASTIC SNAP-IN CONNECTOR ON OIL COOLER OUTLET HOSE AND PIPE ASSEMBLY.

3. BRACE PIPE ASSEMBLY WITH ONE HAND TO PREVENT BENDING OR DAMAGE AND PULL HOSE ASSEMBLY OFF OF SNAP-IN CONNECTOR WITH OTHER HAND. SOME LEAKAGE WILL OCCUR, BUT IT WILL BE MINOR.

4. SNAP IN CONNECTOR WILL COME OUT WITH THE PIPE ASSEMBLY. CHECK SNAP-IN CONNECTOR AND "O" RING INSIDE OF HOSE ASSEMBLY FOR DAMAGE. IF NO DAMAGE IS EVIDENT, LUBE MALE TUBE END SURFACE, UP TO THE HEAD, WITH ENGINE OIL AND SNAP THE CONNECTOR ONTO THE PIPE TUBE AND MAKING SURE IT IS PROPERLY SEATED BEFORE RECONNECTING PIPE AND HOSE ASSEMBLY, BEING SURE THAT PIPE IS SECURELY SNAPPED INSIDE OF HOSE ASSEMBLY.

5. IF SNAP-IN CONNECTOR OR "O" RING ARE DAMAGED, THE HOSE ASSEMBLY MUST BE REPLACED. THE SNAP-IN CONNECTOR IS PART OF THE HOSE ASSEMBLY AND COMES INSERTED IN THE HOSE CONNECTOR.

6. START ENGINE AND CHECK HOSE CONNECTION FOR LEAKAGE.

7. INSTALL "CAMPAIGN IDENTIFICATION LABEL".

PARTS INFORMATION

PARTS ARE TO BE OBTAINED FROM GENERAL MOTORS SERVICE PARTS OPERATION (GMSPO). TO ENSURE THAT 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 ORDER UNDER AN ADVISE CODE (2).

EXPERIENCE HAS INDICATED THERE HAVE BEEN NO HOSE FAILURES. THEREFORE, IT IS ESTIMATED THAT THE POSSIBILITY OF VEHICLES REQUIRING HOSE ASSEMBLY OR PIPE REPLACEMENTS IS EXTREMELY REMOTE.

PART NUMBER DESCRIPTION QUANTITY

15622733 HOSE ASSEMBLY, OIL COOLER 1 OUTLET, REAR

15656189 PIPE ENGINE OIL COOLER 1 OUTLET

463015 SEAL 1

WARRANTY INFORMATION

DEALERS SHOULD SUBMIT A WARRANTY CLAIM ON EACH VEHICLE COMPLETED UNDER THIS CAMPAIGN.

LABOR OPERATION *TIME TROUBLE NUMBER DESCRIPTION ALLOWANCE CODE

V5920 RECONNECT PIPE AND 0.2 HRS. 96 HOSE ASSEMBLY CORRECTLY

V5921 REPLACE PIPE AND HOSE 0.7 HRS. 96 ASSEMBLY

*FOR DEALER TO RECEIVE ADMINISTRATIVE TIME ALLOWANCE ASSOCIATED WITH THIS CAMPAIGN, ADD 0.1 HOUR TO THE LABOR OPERATION TIME ALLOWANCE.

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 CAMPAIGN NUMBER AND FIVE (5) DIGIT DEALER CODE OF THE DEALER PERFORMING THE CAMPAIGN SERVICE. THIS INFORMATION MAY BE INSERTED WITH A TYPEWRITER OR 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.

ADMINISTRATIVE PROCEDURE

PROCEDURES COVERING THIS CAMPAIGN ARE OUTLINED IN SECTION V OF YOUR DEALERSHIP'S "GM TRUCK CLAIMS PROCESSING MANUAL" #P8919.

----------- DISCLAIMER

DEAR GMC TRUCK OWNER:

TO ASSURE THAT THE FITTING ON YOUR VEHICLE IS PROPERLY SEATED, IT WILL BE NECESSARY TO DISCONNECT THE HOSE ASSEMBLY AND RECONNECT IT PROPERLY. THIS SERVICE WILL BE COMPLETED FOR YOU AT NO CHARGE.

PLEASE CONTACT YOUR GMC TRUCK DEALER AS SOON AS POSSIBLE TO ARRANGE A SERVICE DATE. INSTRUCTIONS FOR MAKING THIS CORRECTION HAVE BEEN SENT TO YOUR DEALER. PLEASE ASK YOUR DEALER IF YOU WISH TO KNOW HOW MUCH TIME WILL BE NEEDED TO SCHEDULE, PROCESS AND REPAIR YOUR VEHICLE.

THE ENCLOSED POSTAGE PAID OWNER REPLY CARD IDENTIFIES YOUR VEHICLE. PRESENTATION OF THIS CARD TO YOUR DEALER WILL ASSIST IN MAKING THE NECESSARY CORRECTION TO YOUR VEHICLE IN THE SHORTEST POSSIBLE TIME. IF YOU HAVE SOLD OR TRADED YOUR VEHICLE, PLEASE FURNISH US COMPLETE NAME AND ADDRESS OF THE PERSON YOU SOLD OR TRADED YOUR VEHICLE TO AND RETURN THE CARD TO US.

WE ARE SORRY TO CAUSE YOU THIS INCONVENIENCE; HOWEVER, WE HAVE TAKEN THIS ACTION IN THE INTEREST OF YOUR CONTINUED SATISFACTION WITH OUR PRODUCTS.

GMC TRUCK DIVISION GENERAL MOTORS CORPORATION

90C10 ENCLOSURE

Object Number: 79032 Size: FS

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those 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 will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.