CONTENTS
HUMMING SOUND UNDERNEATH CAR
CHIRPING SOUND UNDERNEATH CARROARING NOISE UNDERNEATH CAR
CONDITION(S)
- ROARING NOISE UNDERNEATH CAR
- NOISE BECOMES LOUDER UPON ACCELERATION
POTENTIAL CAUSE(S)
CHECK THESE FIRST:
1. EXHAUST SYSTEM LEAKAGE
Have exhaust system leak professionally repaired.2. BROKEN EXHAUST MANIFOLD GASKET
Have exhaust manifold gasket professionally repaired.CHECK THESE NEXT:
3. CRACKED EXHAUST MANIFOLD
Have exhaust manifold professionally repaired.4. FAULTY AIR TUBE CONNECTION AT CATALYTIC CONVERTER OR EXHAUST MANIFOLD; MAY SOUND LIKE A HIGH-PITCHED SPURT
Have air tube connection professionally repaired.CHECK THIS LAST:
5. DAMAGED CATALYTIC CONVERTER
Have catalytic converter professionally replaced.
CONTENTS HUMMING SOUND UNDERNEATH CAR CHIRPING SOUND UNDERNEATH CAR