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Company Cases About Case Study: Troubleshooting BOSCH Diesel Injector 0445110772 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

Case Study: Troubleshooting BOSCH Diesel Injector 0445110772 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

2026-05-08
Latest company cases about Case Study: Troubleshooting BOSCH Diesel Injector 0445110772 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

Case Study: Troubleshooting BOSCH Diesel Injector 0445110772 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

Problem Description

A maintenance team reported issues with their agricultural tractors fitted with BOSCH diesel injector 0445110772. The equipment experienced uneven idling, white smoke, increased fuel consumption. Further inspection revealed the problem originated from the 110 1 series injectors, which also has cross-reference numbers 445110519 and 445110520 for different engine models.

Issues Identified

· Primary issue: internal leakage affecting fuel delivery

· Secondary issue: water in fuel

· Secondary issue: fuel system contamination

Solution Applied

· rebuild injectors and adjust maintenance schedule

· Clean fuel tank and fuel lines

· Replace fuel filters

· Perform engine compression test

Outcome

After the repair: engine runs smoothly, emissions reduced. Fleet now maintains inventory of 445110519 and 445110520 as backup units for quick replacement when 0445110772 is temporarily unavailable.

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