Product Improvement Program For Replacing Water Pumps On 3406E (5EK) Truck Engines Caterpillar


Product Improvement Program For Replacing Water Pumps On 3406E (5EK) Truck Engines

Usage:

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Caterpillar: Confidential Yellow

NOTE: The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI3877" 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 "PI3877" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

NOTE: If the water pump has been replaced under a previous service letter program, this program must be disregarded.

Completion Date

October 31, 1996

Termination Date

April 30, 1997

Problem

Water Pumps installed on 3406E Truck Engines, between serial numbers 5EK55590-57590, are not providing appropriate service life.

Affected Product
Model & Identification Number

3406E (5EK55590-57590)

Parts Needed

1 - 0R8330 Water Pump
1 - 1W2636 Gasket
2 - 1048585 Gasket
3 - 1090077 Seal-O-Ring
1 - 1223772 Seal-O-Ring

Action Required

Replace the existing water pump with a 0R8330 Water Pump.

NOTE: If the water pump has been replaced under a previous service letter program, this program must be disregarded.

Owner Notification

U.S. and Canadian owners will receive the attached Owner Notification.

Service Claim Allowances

Labor Hours Breakdown

Parts Disposition

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

NOTE: 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

Caterpillar Information System:

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