your car is broken
Noise coming from engine in Oldsmobile Cutlass could be as a result of an oil leak in the rear of your engine. This makes the gears to wear off leading to severe knocking noise.
If it was overheating at the time, you cracked the block.
Coolant leaking from the pump shaft.Engine overheating.Noise coming from pump.Coolant leaking from the pump shaft.Engine overheating.Noise coming from pump.
Leaking coolant, making noise or engine overheating.
electric fan
First, you need to find where the bubbly noise is coming from. More than likely, it's from your radiator overflow canister and means you have an overheating problem.
you have a stuck valve
where is the humming noise coming from? if it's coming thru the speakers and matches the rev tone of the engine, then you have a bad ground in your stereo.
engine noise coming thru the radio is caused by a bad ground somewhere so instead of chasing that you go to a car stereo shop and buy a noise filter that hooks up to the ground wire coming off the radio.
whistling noise from engine will be caused by a leaky gasket,sucking air. this is usually the intake manifold gasket
It does that when the engine is cooling off. It's called expansion and contraction.
Look over the entire engine for any loose parts. Listen to see where the noise is coming from. The noise could be anything from a loose bolt to an engine going bad.