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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Mechanical - 2.8L (LWN) Diesel) >> Diagnostic Information and Procedures >> Engine Noise on Start-Up, but Only Lasting a Few Seconds

Engine Noise on Start-Up, but Only Lasting a Few Seconds

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Condition Action
Incorrect oil viscosity
  1. Drain the oil.
  2. Install the correct viscosity oil.
Excessive piston-to-cylinder bore clearance
  1. Inspect the piston and piston skirt, connecting rod, and cylinder bore.
  2. Repair or replace all damaged components.
Damaged or faulty oil filter by-pass valve
  1. Inspect the oil filter by-pass valve for proper operation.
  2. Repair or replace as necessary.
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