Product Support Program For Replacing The Personality Module Installed On Certain 3408 Marine High Performance Engines Caterpillar

Product Support Program For Replacing The Personality Module Installed On Certain 3408 Marine High Performance Engines

July 18, 1994
U-105
AU-46
B-29
S-62.1
O-61
TM-5

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 can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS8198" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

Termination Date

Problem

Performance problems, such as poor acceleration, may occur on certain 3408 High Performance marine engines.

Affected Product
Model & Identification Number

3408C (8RG70-156)

Parts Needed

1 - 1157676 Control Group (for engines with C rating)

or

1 - 1157678 Control Group (for engines with D rating)

or

1 - 1157680 Control Group (for engines with E rating)

Action Required

If performance complaints are received on the Affected Products, replace the appropriate personality module per the chart below. There is only one for each rating:

E Rating - New PM1157680 (replaces PM1073053)

D Rating - New PM1157678 (replaces PM1073050)

C Rating - New PM 1157676 (replaces PM 1073047)

Service Claim Allowances

NOTE: This is a 2 hour job.

Parts Disposition

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