LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2014 >> Express 1500 LS, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.8L (L20), 5.3L (LMF), Or 6.0L (L96 LC8) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> Engine Noise Under Load

Engine Noise Under Load

Engine Noise Under Load

Cause Correction
Low oil pressure
  1. Perform an oil pressure test. Refer to Oil Pressure Diagnosis and Testing .
  2. Repair or replace, as required.
Detonation or spark knock Verify the correct operation of the ignition controls. Refer to Symptoms - Engine Controls (Without LC8) , Symptoms - Engine Controls (LC8\FHZ) , Symptoms - Engine Controls (LC8\KO7) .
Loose torque converter bolts
  1. Inspect the torque converter bolts and flex plate.
  2. Repair, as required.
Cracked flex plate- automatic transmission
  1. Inspect the flex plate bolts and flex plate.
  2. Repair, as required.
Excessive connecting rod bearing clearance Inspect the following components and repair, as required:
  • The connecting rod bearings
  • The connecting rods
  • The crankshaft
Excessive crankshaft bearing clearance Inspect the following components and repair, as required:
  • The crankshaft bearings
  • The crankshaft journals
  • The cylinder block crankshaft bearing bore
scientia non olet · About LEMON Manuals