SENSOR AS-COOLANT LEVEL 1070174 - Caterpillar

Product Support Program For Replacing The Aluminum Flywheel Housing Gasket On Certain 3408 Marine Engines
SMCS - 1157 PS0621
October 25, 1992
U-151
B-57
TM-15 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.
This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0621" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
Termination Date
October 31, 1993Problem
The 7N9332 Gasket located between the block and the aluminum flywheel housing may leak on certain 3408 Marine Engines.
Affected Product
Model & Identification Number
3408 (1LG1-Up)
Parts Needed
1 - 1U8846 Gasket MakerAction Required
If oil leakage occurs between the block and the aluminum flywheel housing remove the existing 7N933l Gasket and replace it with lU8846 Gasket Maker. Follow the instructions provided on page 11 of the October 14, 1991 Service Magazine Article "No Gaskets Used With Aluminum Flywheel Housings. "
Service Claim Allowances
This is a 60-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.