Car making weird noise and shaking.?

Question

Ok so first off I drive a 2010 Chevy Malibu. It has even perfect up until my brother talked me into buying subs and a bass or whatever. Since after then my lights dim when in idle and when puting up a window. If I put 2 windows up at once they go realllllyyy slow. So I'm guessing alternator. I'm going to replace next week.

But now driving there is a squeaking noise from the right side. Sounds like my pet rats wheel when spinning. 
I thought I was just going crazy. Cuz it's driving me crazy.  (Brakes are brand new) so I showed my girlfriend to see if she hears it. When I started the car it made a weird noise almost like a fart. I actually asked her if she farted.

Also when in idle the rpm moves back and forth not a whole lot but it moves. Engine sometimes sounds almost like it's going to die.

When I brake sometimes it feels as if the tires pull to the right.

And lastly when I drive faster that 50 to 60ish the gas pedal and steering wheel viberate slightly.

And some not as important info. Has under 80k miles, just changed brake pads and rotors. New air filter and recently changed oil filter and oil.

Also when I start my car up. Sometimes it last seconds sometimes for 5 minutes but rarely longer. It says service airbag. And sometime it'll say in not buckled up but I am.

Alan · Answer

Sounds like multiple issues obviously. Even if you changed the brakes last week it sounds like you have a brake problem, could be a warped rotor, air in at least one side (caliper), or even a sticking caliper causing it to pull one way when you brake. So check the brakes completely all 4 wheels. The noise your talking about could be coming from the bad alternator, the bearing might be bad and making a racket. The alternator bearing if bad enough could put a good bit of drag on the engine causing the idle to move around more then usual. Otherwise the idle problme could be a dirty or defective IAC idle air control solenoid.

Anonymous · Answer

These subs have overworked your alternator, and the squeaking is your belt. If i were you, I would change the alternator (or at least perform a test first), change all of your drive belts, and install capacitors for your sound system

GM Customer Care · Answer

Hi Alex,

Sorry you are experiencing concerns with a squeaking noise. I understand that you are having repairs done on your vehicle soon, however if you'd like any assistance contacting your dealership or if there is anything I can answer for you, please feel free to contact me. You can contact me here on the site directly and please include your VIN and contact information.

Thank you,

Andraya
GM Customer Care

Anonymous · Answer

my remote controll one did that i brought a new one sorted the proble like a treat very cheap too

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Car making weird noise and shaking.?

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