Turbocharger Excessively Noisy or Vibrates JC89288,000019B –19–04APR06–1/1 Turbocharger Excessively Noisy or Vibrates Diagnostics Procedure –1/1 TM2361 (24JUN08) 9010-15-24 450DLC Excavator Operation and Tests 062608 PN=294 Diagnostic Information 7 Exhaust System Check Check for crush, breakage, or exhaust leakage in the exhaust pipe. Is exhaust in good condition? YES: Go to Mechanical Engine Check. (Group 9010-15.) NO: Repair or replace parts as necessary and retest. – – –1/1 8 Mechanical Engine Check Check the mechanical parts of the engine, and repair if needed. • Compression pressure See Engine Compression Pressure Test.
(Group 9010-25.) • Valves See Check and Adjust Engine Valve Lash (Clearance). (Group 9010-25.) • Injector Injector Balance Test (Injector Misfire Test). (Group 9010-25.) Are mechanical parts of engine OK? YES: Go to Engine Control Module (ECM) Check. NO: Repair or replace parts as necessary and retest. – – –1/1 9010 15 24 9 Engine Control Module (ECM) Check 1. Check the version of ECM software. 2. Rewrite the software if version upgrade is necessary. 3. Replace ECM if software is not available. NOTE: EGR valve position learning is required after replacing or rewriting the ECM. See Engine Control Module (ECM) Remove and Install. (Group 9015-20.) Does the engine emit less black or gray smoke?
YES: New software repaired ECM. – – –1/1