Usage:
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 only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0683" 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
December 31, 1994Problem
The 7W6965 Tube Assembly in the cooling system of certain 3612 and 3616 Engines may fail.
Affected Product
Model & Identification Number
3616 (1PD18-79)
3612 (9RC15-125)
Parts Needed
U.S. and Canadian Dealers
Order parts and rework procedures from the Large Engine Center in Lafayette, Indiana by contacting Customer Services at (317) 448-5317 or 5690.
All Other Dealers
Order parts through the parts department and order the rework procedures from the Large Engine Center in Lafayette, Indiana by contacting Customer Services at (317) 448-5317 or 5690.
- 2 -5P6619 Seal-O-Ring
- 2 -0S1588 Cap Screw
- 8 -0S1591 Cap Screw
- 2 -9S8752 Nut
- 2 -0T0055 Capscrew
- 14 - 3V3308 Washer
- 1 -7W5843 Elbow (as required)
- 1 -7W6408 Cover (as required)
- 1 - 1021402 Tube Assembly
- 2 - 1021403 Flange
- 8 - 1021404 Spacer
- 1 - 1046544 Bracket Assembly
- 2 -0S1588 Cap Screw
Action Required
If coolant is leaking from the 7W6965 Tube Assembly, contact Customer Services at (317) 448-5317 or 5690 for rework procedures for the repair.
Service Claim Allowances
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.