HARNESS AS-ENGINE 2104614 - Caterpillar

07Aug2017
U-406
A-279
D-338
O-340
Parts stock action only
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 2566453 AND 2566454 TEMPERATURE SENSORS FROM DEALER PARTS STOCK
7750 PI70676
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7751" as the Group Number, "56" as the Description Code.
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.
TERMINATION DATE
30Nov2017
PROBLEM
Certain 2566453 and 2566454 Temperature Sensors may fail if placed into service.
ACTION REQUIRED
Inspect all 2566453 and 2566454 Temperature Sensors in dealer parts stock.
Improvements have been made to 2566453-04 (change level 04) and 2566454-03 (change level 03) Temperature Sensors and are good sensors. Mark the sensor's package as inspected per this program and place the sensor back into dealer parts stock.
Remove the following temperature sensors from dealer parts stock:
2566453 and 2566454 Temperature Sensors that have a date code of 01 June 2017 or older from dealer parts stock.
This is the same as change level 01, 02, and 03 for 256-6453.
This is the same as change level 01, and 02 for 256-6454.
Image 1 shows the change level and the date code for the temperature sensor.
The Circle shows the change level.
The Box shows the date code. DDDYY
This sensor shows that it is a change level 03 that was built on day 053 in 2016.
This example would be removed from dealer parts stock.
Image1
SERVICE CLAIM ALLOWANCES
Submit one claim for all parts removed from dealer parts stock.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.