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 must be administered as soon as possible. When reporting the repair, use "PI3662" 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 "PI3662" 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
March 31, 1994Termination Date
September 30, 1994Problem
The radiator assembly on certain 416B Backhoe Loaders may have insufficient cooling capacity and needs to be changed.
Affected Product
Model & Identification Number
416B (8ZK365, 8ZK370, 8ZK385-387, 8ZK394, 8ZK395, 8ZK397, 8ZK402-404, 8ZK406-408, 8ZK410, 8ZK413, 8ZK416, 8ZK423, 8ZK427, 8ZK429-434, 8ZK440, 8ZK448, 8ZK449, 8ZK461)
Parts Needed
Dealers will need to order parts for this Program.
- 1 - 4P3379 Radiator Assembly
Action Required
Drain and collect the coolant from the existing radiator. Remove the existing radiator assembly and replace it with a new 4P3379 Radiator Assembly. Fill the radiator with the coolant drained and collected from the original radiator. Check all coolant lines and hoses for leaks.
Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
NOTE: This is a 3-hour job.
NOTE: U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
NOTE: MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Attach. (1-Owner Notification)
Copy Of Owner Notification For U.S. And Canadian Owners