ELBOW-EXHAUST 6I4512 - Caterpillar

Caterpillar: Confidential Yellow
This Program must be administered as soon as possible. When reporting the repair, use "PI3176" as the Part Number, "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI3176" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
This Revised Service Letter replaces the December 20, 1998 Service Letter. Changes have been made to the Action Required and the Service Claim Allowances.
Completion Date
June 30, 1999Termination Date
December 31, 1999Problem
The engine oil filter can become unseated and allow unfiltered oil to bypass the filter during a cold start. This can result in debris being fed into the main oil gallery. A new 1613995 Spring Group needs to be installed in the oil filter housing on certain G3500 Gas Engines.
Affected Product
Model & Identification Number
G3508 (4WD1-20 2JF1-351 9TG1-190 9AW1-187 )
G3512 (4KC1-654 5JD1-57 7NJ1-501 6JW1-126 )
G3516 (3RC1-1255 8LD1-82 4EK1-2279 5PN1-35 8PW1-336 )
Parts Needed
Dealers will need to order parts for this Program.
1 - 1613995 Spring GroupAction Required
The following procedure should be performed by the customer during his next normal oil change.
1. With the engine stopped and the oil drained from the oil filter housing, remove the oil filter housing cover.2. Disassemble the spring from the cover and discard the old spring and retainer.3. Assemble the small end of the new spring to the groove in the new retainer.4. Thread the stud on the stopper into the hole in the center of the new retainer so that the stopper is nested inside the spring.5. Tighten the stopper until the rubber contacts the retainer then of a turn past that.6. Assemble the large end of the new spring to the groove in the cover. 7. Reassemble the cover to the oil filter housing.
Illustration 1.Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Attach.(1-Owner Notification)Copy Of Owner Notification For U.S. And Canadian Owners