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What would cause a humming or howling noise coming from the engine compartment of a 1989 Pontiac Bonneville on hard acceleration?
sounds like a motor mount is broken or a transmition mount. have those checked.
Why does a heater blower have a humming noise when the motor is running?
If the heater blower has humming noise when motor is running, first check its capacitor. If the capacitor is fine, then the motor is the problem and may need to be replaced.
What causes a tapping and rattling noise in 1993 Pontiac Bonneville?
The guy in the trunk is still alive!!!
Why would a Pontiac grand prix have a humming noise on acceleration?
newdiv vacuum leak, cat. converter comming apart, exhaust noise
Subwoofer making humming noise?
possibly your running RCAs on the same side as your power cable
How do you stop a high pitch humming noise from radio when truck is running in 2004 Chevy truck 1500?
humming noise is a bad ground to the radio. you may have a loose connection. connect a ground wire to frame of truck.
Is there supposed to be a humming nosie while driving a neon?
There can be a slight humming noise while driving a neon. This sound could come purely from the engine to indicate that it is running.
Why does the engine make a humming noise near the alternator after you shut down the VW 2001 Beetle 1.8T?
Your engine might make a humming noise near the alternator after you shut it down because the fan is still running or because the fuel pump is shutting down. Another cause for the humming noise could be the AC motor turning off.
What causes a humming noise when switching off the engine of your vw golf 2007?
radiator fans running to cool engine...
Humming noise in your speakers when at idle and when you accelerate it gets louder?
the humming noise is coming from a bad ground on you stereo
What causes a brief humming noise after initial acceleration?
Certain types of tires may cause a brief humming noise after your initial acceleration. The transmission may also cause a brief humming noise.
How do you grease the front bearings on a 1998 Pontiac Bonneville?
Cant They are a sealed, non servicable unit. If they are making noise, they must be replaced, about $135 each
