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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Engine Control System - Trouble Shooting - No Codes) >> Symptom Diagnosis >> Exhaust Noise >> Symptom Diagnosis

Symptom Diagnosis

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
EXHAUST NOISE DIAGNOSIS

Symptom Check/Repair
Popping Or Hissing Noise (1) Exhaust Leak.
Loud Exhaust Compare To A Known-Good Vehicle. Inspect For A Damaged Or Failed Muffler Or Pipe. Replace Faulty Muffler Or Pipe.
External Rattle Or Vibration Noise Check For Bent Or Loose Hanger, Loose Heat Shield, Or Loose Clamp. Check For Exhaust Pipe Causing Interference. Repair/Replace Affected Component.
Internal Rattle Test Components By Tapping With A Rubber Mallet To Confirm A Rattle. Replace Faulty Catalytic Converter Or Muffler.
(1) See EXHAUST LEAKAGE  .