ELECTRONICS GP-MONITOR 3967462 - Caterpillar

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 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 "PS8839" 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
November 30, 1997Problem
A new turbocharger coolant hose assembly is now available with teflon/stainless steel core which has higher coolant temperature capabilities. This hose assembly should be installed on certain 631E, 633E, 637E, and 657E Wheel Tractor Scrapers and D9R Track-Type Tractors.
Affected Product
Model & Identification Number
631E (1AB1640-1643, 1AB1645, 1AB1647-1671)
633E (2PS290-295)
637E (1FB660-672)
657E (7KR199, 7KR201, 7KR203-208, 7KR210, 7KR213)
D9R (7TL559, 7TL560, 7TL562, 7TL564-578, 7TL581-604, 7TL607-620, 7TL622-626, 7TL630 , 7TL632, 7TL638-671, 7TL673, 7TL681 8BL830 , 8BL832, 8BL834, 8BL849, 8BL851-853, 8BL867, 8BL878, 8BL879, 8BL881-885 , 8BL897)
Parts Needed
1 - 5P9299 Clip1 - 1358287 Hose AssemblyAction Required
Remove the 2G4561 Hose Assembly and replace it with a 1358287 Hose Assembly and 5P9299 Clip (See Illustration 1).
Illustration 1Service Claim Allowances
This is a 1-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.