CAMPAIGN: ENGINE OIL COOLER FILTER ADAPTER

SUBJECT: ENGINE OIL COOLER/FILTER ADAPTER 1988-89 K30 TRUCKS WITH 7.4L 454 CID V8 ENGINE (RPO L19, VIN CODE N) AND ENGINE OIL COOLER OPTION (RPO KC4).

TO: ALL CHEVROLET DEALERS

GENERAL MOTORS HAS DETERMINED THAT CERTAIN 1988-89 K30 SERIES TRUCKS WITH 7.4L V8 ENGINE AND ENGINE OIL COOLER OPTION MAY HAVE OIL COOLER LINE/FILTER ADAPTERS THAT WERE MACHINED INCORRECTLY. THESE ADAPTERS ALLOW OIL TO BY-PASS THE ENGINE OIL COOLER AND/OR THE ENGINE OIL FILTER.

TO CORRECT THIS CONDITION, IT WILL BE NECESSARY TO REPLACE THE ENGINE OIL COOLER LINE/FILTER ADAPTER. IN ADDITION, NEW OIL AND OIL FILTER WILL BE INSTALLED.

VEHICLES INVOLVED

INVOLVED ARE CERTAIN 1988-89 K30 TRUCKS WITHIN THE FOLLOWING VIN BREAKPOINTS:

CHEVROLET

MODEL YEAR PLANT FROM THROUGH

1988 OSHAWA J1218136 J1308400 1988 PONTIAC EAST JE161405 JE211029 1989 OSHAWA K1101195 K1102795 1989 PONTIAC EAST KE100451 KE107905

GMC

1988 OSHAWA J1545107 J1587678 1988 PONTIAC EAST JE522372 JE538020 1989 OSHAWA K1500105 K1501521 1989 PONTIAC EAST KE500036 KE502223

INVOLVED VEHICLES HAVE BEEN IDENTIFIED BY VIN COMPUTER LISTINGS. COMPUTER LISTINGS CONTAIN THE COMPLETE VIN, OWNER NAME AND ADDRESS DATA, AND ARE FURNISHED TO INVOLVED DEALERS WITH THE CAMPAIGN BULLETIN. OWNER NAME AND ADDRESS DATA FURNISHED WILL ENABLE DEALERS TO FOLLOW-UP WITH OWNERS INVOLVED IN THIS CAMPAIGN.

THESE LISTINGS 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 THE FOLLOW-UP NECESSARY TO COMPLETE THIS CAMPAIGN. ANY DEALER NOT RECEIVING A COMPUTER LISTING WITH THE CAMPAIGN BULLETIN HAS NO INVOLVED VEHICLES CURRENTLY ASSIGNED.

OWNER NOTIFICATION

OWNERS WILL BE NOTIFIED OF THIS CAMPAIGN ON THEIR VEHICLES BY CHEVROLET MOTOR DIVISION (SEE COPY OF OWNER LETTER INCLUDED WITH THIS 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.

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

PARTS REQUIRED TO COMPLETE THIS CAMPAIGN ARE TO BE OBTAINED FROM 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.

QUANTITY/ PART NUMBER DESCRIPTION VEHICLE

14092393 OIL COOLER LINE/FILTER ADAPTER 1 14092399 OIL COOLER LINE/FILTER ADAPTER SEAL 1 14015353 OIL COOLER LINE/FILTER ADAPTER SEAL 1 6438384 OIL FILTER (PF35) 1

*** NOTE: ORDER PARTS BASED UPON ATTACHED LISTING OF INVOLVED VEHICLES.

SERVICE PROCEDURE

1. DRAIN CRANKCASE.

2. REMOVE OIL FILTER.

3. DISCONNECT OIL COOLER PIPES AT PIPE BRACKET (ATTACHED TO ENGINE MOUNT).

4. DISCONNECT OIL COOLER PIPES FROM ADAPTER AND DRAIN.

5. REMOVE OIL COOLER ADAPTER (RETAIN ATTACHING BOLTS AND PLUGS), SEE FIGURE 1.

6. INSPECT THE ADAPTER TO DETERMINE WHICH CONDITION EXISTS. PART SHOULD BE CLEANED PRIOR TO INSPECTON.

CONDITION A - OIL COOLER BYPASS USING A STRAIGHT ROUND SHAFT (NOT TO EXCEED 5/16" DIA.), INSERT IT INTO OIL FILTER MOUNTING BOSS HOLE, SEE FIGURE 2. MARK SHAFT AND MEASURE DEPTH OF HOLE. DEPTH OF HOLE SHOULD NOT EXCEED 2". IF IT DOES, CONDITION "A" EXISTS.

CONDITION B - OIL FILTER BYPASS USING A "BRIGHT" LIGHT SUCH AS A PENLIGHT, ETC. SHINE IT INTO PASSAGE INDICATED IN FIGURE 2. ROTATE ADAPTER AND LOOK DOWN INTO SECOND PASSAGE INDICATED IN FIGURE 2 AND CHECK FOR THE PRESENCE OF LIGHT AT THE BOTTOM OF HOLE. IF LIGHT IS PRESENT, CONDITION "B" EXISTS.

FOR CONDITION C - NEITHER OF THE ABOVE EXISTS.

7. INSTALL NEW ADAPTER (P/N 14092393) USING NEW SEALS (P/N 14092399 AND 14015353), SEE FIGURE 1. INSTALL RETAINING BOLTS AND TORQUE TO 18-25 NM (15-18 FT. LBS.). INSTALL PLUGS USING SEALER (P/N 1052080) AND TURQUE PLUGS TO 14-20 NM (11-15 FT. LBS.).

8. RECONNECT OIL COOLER PIPES AT ADAPTER AND BRACKET, USING SEALANT (P/N 1052080) AND TORQUE NUTS TO 20-27 NM (14-20 FT. LBS.). TORQUE NUT ON OIL LINE BRACKET TO 6-12 NM (5-9 FT. LBS.).

9. INSTALL NEW OIL FILTER PF35 (P/N 6438384).

10. FILL CRANKCASE WITH OIL (6 QUARTS).

11. RUN ENGINE AND CHECK ALL CONNECTIONS FOR LEAKS.

12. SHUT OFF ENGINE. CHECK ENGINE OIL LEVEL, AND TOP OFF AS REQUIRED.

13. INSTALL CAMPAIGN IDENTIFICATION LABEL.

CAMPAIGN IDENTIFICATION LABEL

EACH VEHICLE CORRECTED IN ACCORDANCE WITH THE INSTRUCTIONS OUTLINED IN THIS 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: * *** FAILED PARTS LABOR LAB OTH NET REPAIR PERFORMED PC PART NO. ALLOW FC OP. HRS HRS AMT

ADAPTER, ENGINE 4 14092393 ** 00 V5210 0.8 0.1 $9.74 OIL COOLER - REPLACE CONDITION "A" EXISTS

ADAPTER, ENGINE 4 14092393 ** 00 V5211 0.8 0.1 $9.74 OIL COOLER - REPLACE CONDITION "B" EXISTS

ADAPTER, ENGINE 4 14092393 ** 00 V5212 0.8 0.1 $9.74 OIL COOLER - REPLACE CONDITION "C" EXISTS

* CAMPAIGN ADMINISTRATIVE ALLOWANCE

** THE "PARTS ALLOWANCE" SHOULD BE THE SUM TOTAL OF THE CURRENT GMSPO DEALER NET PRICE PLUS 30% OF ALL PARTS REQUIRED FOR THE REPAIR.

*** THE $9.74 IDENTIFIED IN THE "NET AMOUNT" COLUMN REPRESENTS THE COST PLUS 30% FOR ENGINE OIL (UP TO 6.75 QUARTS PER VEHICLE) USED IN CONJUNCTION WITH THE ABOVE LABOR OPERATIONS.

DEALERS WILL AUTOMATICALLY RECEIVE THE CORRECT LABOR AND MATERIAL ALLOWANCE BASED ON THE LABOR OPERATION PERFORMED.

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

**CHEVROLET DISCLAIMER**

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.