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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 1.6L (LH7) Diesel) >> Diagnostic Information And Procedures >> Turbocharger Hissing Noise

Turbocharger Hissing Noise

WARNING: This page is about a different variant/trim than selected.
Condition Action
Air inlet leaks or obstructions Inspect the turbocharger inlet pipes/hoses for leaks or obstructions.
Leaking charge air cooler/pipes/hoses Inspect the charge air cooler/pipes/hoses for leaks or obstructions.
Leaking or restricted exhaust system
  1. Inspect the exhaust system for a leak.
  2. Inspect the exhaust system for a restrictions.
Intake system leaks or obstructions
  1. Inspect the intake manifold for a leak.
  2. Inspect the intake manifold for restrictions.
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