NOISE AT START UP

Asked by GuruLW18K Mar 28, 2019 at 11:13 AM about the 2010 Chevrolet Cobalt

Question type: Maintenance & Repair

wHEN I START MY 2010 COBALT THERE IS A LOUD  SHOOWSH NOISE AS
IT STARTS .  AS THOUGH AIR WAS BEING PUSHED THRU A HOLE .  
ONCE STARTED IT RUNS  FINE.  SOUND IS GETTING LOUDER

1 Answer

10,575

Maybe an exhaust leak of some sort? Cracked manifolds are common on some models and the crack might close up as the manifold heats up. Just a thought.

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