Section 7.7 Worn or Damaged Valve(S) or Cylinder Kit(S) Repair

Section 7.7
Worn or Damaged Valve(S) or Cylinder Kit(S) Repair

Perform the following steps to repair worn or damaged valve(s) and cylinder kit(s):‪

  1. Remove the cylinder head, refer to MBE 4000 Service Manual (6SE420), Chapter 1, “Engine”.
  2. Inspect the cylinder head for worn or damaged valves, refer to MBE 4000 Service Manual (6SE420), Chapter 1, “Engine - Valves”.
  3. Inspect the cylinder kit components for worn or damaged liners; pistons or piston rings, refer to MBE 4000 Service Manual (6SE420), Chapter 1, “Engine”.
  4. Replace damaged cylinder kit components.
  5. Verify repairs made to cylinder head valve(s) or cylinder kit components; refer to "7.7.1 Test Engine with Repaired Cylinder Head Valve(s), and Cylinder Kit" .

Section 7.7.1
Test Engine with Repaired Cylinder Head Valve(s), and Cylinder Kit

To determine if the cylinder head valve and cylinder kit repair resolved starting difficulty, perform the following steps:‪

warning

PERSONAL INJURY

To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.‪

  1. Attempt to start and run the engine, if the engine starts and runs, no further troubleshooting in required.
  2. If the engine fails to start and run, call the Detroit Diesel Customer Support Center at 313-592-5800.


EPA07 MBE 4000 DDEC VI Troubleshooting Guide - 6SE568
Generated on 10-13-2008

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