Product Improvements
Find the most recently published product improvement updates listed here by publish date.
87676433R Cummins 9L Engines – Product Improvement
Solution Date: 4/9/2024 Serial Number Break: 241010001 Problem: The engine will develop a knock and/or rocker arm failures. Root Cause: Cam bushings were not properly aligned to allow proper oil flow to the rockers. Solution: Cam...
5802855463R Denox 2.2+ Pump – Product Improvement
Solution Date: 12/1/2022 Serial Number Break: 223360001 Problem: Engine can derate and go into limp mode or show Fault Codes 19077, 193337 Root Cause: The flutter membrane in the older version modules would harden and not operate...
47809628R AC Compressor- Product Improvement
Problem: AC compressor making noise Solution Date: 5/30/2024 Serial Number Break: NA Failure Mode: AC compressor cores are coming back with two different types of dust shields on them. Root Cause: The older dust shields (shown...
48096923R Joystick Lever- Product Improvement
Problem: Warranty returns due to a "broken" or "inoperative" lever. Solution Date 3/1/2021 Failure Mode: Failure of the bracket resulted in a joystick that would not function and would result in the inability to shift the unit into and out...
84246892R DeNox Module- Product Improvement
Problem: Error codes and unit failure after functional tests and installation. Solution Date: 3/1/2024 Serial Number 240320001 Failure Mode: Unit failed after functional test after installation Root Cause: Reported failures...
504388542R Turbocharger- Product Improvement
Solution Date: 04/18/2024 Serial Number Break: 249727JT Failure Mode: Internal shaft failure Root Cause: Inconsistencies in reman turbine wheel Solution: All turbine wheels go through strenuous testing and if deviations are found it...
504338098R Alternator- Product Improvement
Problem: Dead battery due to alternator not charging. Solution Date: In Review- final solution not found Failure Mode: Alternator not charging Root Cause: Brush wire gets frayed if the brush is allowed to extend beyond its original...
JR4076442 Fuel Pump- Product Improvement
Arrows are showing the fuel leak locations that were found during the investigation.Problem: Pump Leaking Failure Mode: Excessive Fuel Leakage Root Cause: Operators were not acheiving O.E. torque specifications at the joint between the...
8097812R Cursor 9L- Product Improvement
Failure Mode: Head Gasket Leaks Root Cause: Top deck surface finish was to rough or smooth along with potential peaks and valleys that were out of spec Improper RA or RZ surface finish specs and measuring methods Solution Updated...