VALVE AS 6N1716 - Caterpillar

Caterpillar: Confidential Yellow
This Program must be administered as soon as possible. When reporting the repair, use "PI3069" as the Part Number, "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI3069" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
Completion Date
May 31, 1998Termination Date
November 30, 1998Problem
The prelube system on the 776D Tractors and on 777D and 793C Trucks has no way to bypass the prelube cycle in case of the need for an emergency start of the engine. This software is also needed in combination with the low pressure turbo update at low altitude sites. Replacement engines in stock should also be updated with the new flash file.
Affected Product
Model & Identification Number
Group 1
777D (3PR1-607)
776D (5ER1-85)
3508B (2GR1-864) (Dealer Exchange)
3508B (5XS170) (Reman)
Group 2
793C (4AR1-250)
3516B (7TR1-419) (Dealer Exchange)
Parts Needed
Dealers will need to order parts for this Program.
All NACD Dealers and all other dealers who have access to engine flash softwear from the software bulletin board or from SIS information disks should use the 151-2155 or 146-9358 Software. They should not order a 1512157/">151-2157 or 1469360 Control Group (Pers. Mod.). Only dealers who do not have access to software files can order the Control Group (Pers. Mod.) and claim it under this program.
Group 1
1 - 1512155 SoftwareOr
1 - 1512157 Control Group (Pers. Mod.)Group 2
1 - 1469358 SoftwareOr
1 - 1469360 Control Group (Pers. Mod.)Action Required
Obtain and install engine flash software part number 146-9358 or 151-2155 using the et flash utility. Engine flash software is obtained from the software bulletin board or from the sis information disks. Instructions for using the bulliten board and sis disks is attatched. Flash file is only obtainable from the above two sources.
See the attached procedure.
Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
Dealer Exchange Units
This is a 1-hour job per engine. Submit one claim for all dealer exchange engines reworked.
When filing a claim for a spare engine use the following serial numbers as the vehicle serial number:NACD Dealers - 99Z21CACO Dealers - 99Z621COFA Dealers - 99Z121CAPL Dealers - 99Z821COSA Dealers - 99Z421
Affected Product
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Attach.(1-Owner Notification)(2-Rework Procedure)Copy Of Owner Notification For U.S. And Canadian Owners
Rework Procedure
776D, 777D, AND 793C SOFTWARE UPDATE REWORK PROCEDURE.
Use Engine News SEBD9244 Dated 01/Jan/97 - Methods Of Obtaining Engine Flash Files for this update (copy below) and the April 21, 1997 Service Magazine Article "3500 Machine Engine Software Serviceability".
Currently, there are two sources from which flash files can be obtained. One source is the Caterpillar Mailbox System Bulletin Board and the other source is the SIS Setup And Tool Guide CD. The bulletin board is updated as soon as the new flash files become available. The SIS CDs are updated monthly and contain the