106661-5552 ZEXEL 9 400 616 631 BOSCH INJECTION-PUMP ASSEMBLY 9400616631 1066615552 1671396911

Introduction
The permanent solution for the problem that is identified below is not known. Until the permanent solution is known, use the solution that is identified below.Problem
The above listed serial numbers have had issues with metal shavings in the Hydraulic Electronic Unit Injector (HEUI) oil passages. These shavings were left in the HEUI oil passages as a result of a nozzle that was not operating correctly.Solution
Return 0R-8849 Cylinder Head Gp with date codes 09006 through date code 12006. Return the 0R-7907 Cylinder Block Gp with the following sequence numbers.
Table 1
Sequence Numbers    
01650     01649     01648     01647     01646    
01645     01644     01642     01641     01636    
01635     01630     01628     01627     01626    
01625     01618     01617     01614     01613    
01610     01609     01608     01607     01606    
01605     01603     01602     01600     01599    
01598     01597     01595     01592        Note: If cylinder blocks or cylinder heads have been installed, do not replace the cylinder heads. Instead, flush the HEUI oil system and replace all of the fuel injectors.