Product Support Program For Installing A Flexible Oil Line Between The Engine Oil Cooler And The Oil Filter Housing On Certain 793 And 793B Trucks Caterpillar

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 "PS8414" 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

The engine oil line between the oil filter housing and the engine oil cooler may leak due to the o-ring seals being twisted during assembly or due to seal deterioration from tube motion on certain 793 and 793B Trucks.

Affected Product
Model & Identification Number

793 (3SJ1-Up)

793B (1HL1-157)

Parts Needed

2 - 0L1143 Bolt

4 - 5M2894 Washer-Hard

18 - 5M2894 Washer-Hard

2 - 9M4594 Spacer

6 - 0S1571 Bolt

6 - 0S1594 Bolt

2 - 9S8752 Nut-Full

6 - 9S8752 Nut-Full

2 - 6V1572 Clip

2 - 6V1573 Clip

2 - 6V1574 Grommet

1 - 9Y8388 Gasket

2 - 619456 Seal-O-Ring

5 - 1008075 Clamp Assembly

1 - 1054301 Tube

4 - 1092332 Seal-O-Ring

3 - 1113820 Ring-Retainer

1 - 1119373 Clamp Assembly

Action Required

Remove the existing oil line, seals, retaining rings and retainers. Install the new tube, seals, clamps, grommets and hardware.

Service Claim Allowances

NOTE: This is a 5.0-hour job.

Parts Disposition

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