154404-3700 ZEXEL 9 421 611 442 BOSCH COVER 9421611442 1544043700 1157280030

Problem
Some connecting rod assemblies may have been machined incorrectly. A machining discrepancy in the rod eye bore may not allow the rod eye bushing outside diameter to make complete contact with the rod eye bore. This can reduce the life of the bushing.
Affected Product
Model & Identification Number
3508 (7YG2069, 95Y1016, 96Y1725-1727, 23Z6865, 23Z6867-6871, 23Z6884-6885, 23Z6889, 23Z6892, 68Z903-906, 68Z909 , 68Z912, 68Z914, 69Z745-761)
3508B (7SM77, 7SM82-83)
G3508 (9TG141-144)
3512 (49Y835, 51Y760, 24Z7930-7932, 24Z7935-7948, 24Z7951, 24Z7953-7965, 24Z7969, 24Z7971, 24Z7980-7982, 24Z7985, 24Z7990-7991, 66Z718-721, 66Z1444-1445)
3512B (4TN99, 8RM201-202, 6WN137, 6FL145)
G3512 (7NJ287-290, 7NJ297)
3516 (5SJ542-543, 7CL416, 7CL419-421, 4XF673, 25Z5550-5551, 25Z5553-5555, 25Z5559, 25Z5567, 25Z5569-5574, 25Z5577, 25Z5584-5585, 28Z646, 29Z1227-1230, 67Z1447-1449)
3516B (9AN121, 8KN146-149, 8KN153-154, 7RN464-470)
G3516 (8LD46, 4EK1304-1305, 4EK1307-1313, 4EK1327, 4EK1334)
777D (3PR466-468, 3PR472-478, 3PR480)
Parts Needed
1 - 6I1356 Seal1 - 6I1357 Seal1 - 1013281 Rod Assembly1 - 1077330 Bearing (if necessary)1 - 1106991 Gasket-Head1 - 1106992 Gasket The parts are listed as one per failure. As many as 8, 12, or 16 parts may be required depending on the engine model. Additional parts not listed may be required depending on arrangement.
Action Required
See the attached procedure.
Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
Labor Hour Breakdown For repairs of less than a complete set, 6.0 hours of labor per cylinder are reimbursable.
Allow 1.0 hour labor for testing of an engine and an additional 2.0 hours for setup/tear down.
The rod inspection, rod replacement and engine testing setup/tear down labor hours listed above are based on a basic 3500 Series Commercial Engine repaired in a dealer shop. Engines with various attachments, at customer sites or in a vehicle chassis may require additional labor hours. Those additional hours must be explained in the claim details.Costs incurred for emergency parts orders, for return of connecting rods, oil analysis, equipment needs to complete repairs or engine testing should be listed as other expenses and explained.
Parts Disposition
Return the removed defective connecting rod(s) to:
Caterpillar, Inc.
Attn: Jack Sanders - PI3047
Building B Claims Room
3701 State Road 26 East
Lafayette, Indiana 47905
Package the defective connecting rod(s) in it's original packaging carton for return shipment to Lafayette. Return defective parts within 24 hours of completion of removal from the engine. Call Matt Hannon at (765) 448-5138 or e-mail HANNOMJ with shipping Bill Number, part number, quantity in shipment, and Dealer name and location.
Dealers outside of North America should ship by Air Freight.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Attach.(1-Owner Notification)(2-Rework Procedure)Copy Of Owner Notification For U.S. And Canadian Owners
Rework Procedure
Connecting Rod Inspection
- The inspection of the connecting rod date code can be performed by removing the cylinder block side covers (left side typically most accessible) and viewing the date code. Rotation of the crankshaft and use of a mirror and a flash light will assist in viewing the date code on some rods. The date code is located on the side of the side of the rod cap at cap to rod joint. The date code format is YYMXXXX where (YY) is the year, (M) is a letter denoting the month, and (XXXX) is a sequence number. Rods with date