20 Most Recent 2004 Chevrolet Cobalt Questions & Answers

The speedo needle stepper motor is defective, remove the instrument cluster and send it out for repair. This is a common problem on this year of GM all models.

The cobalt shares the same engine as many other GM cars, notably the saturn ion , chevy cavalier, pontiac sunfire, and s10 and malibu and... long list.

sounds like a plugged cat

If the booster failed the brake pedal would take a huge amount of effort to stop the car. You should have the computer checked for trouble codes if the ABS light is on.

I doubt the security system would cause the problem.Most systems prevent the starter from working as well as the fuel pump or injectors.And once the starter cranks the engine it should not be involved.

I have seen a spring on the window regulator which helps raise the window. Don't know about GM products made in the past 10 yrs.You might look at a regulator at the dealer and see if it has one and if it looks like what you saw.

You are slipping,If you are a manual transmission you need a clutch, if you are a automatic transmission, you will need a transmission rebuilt

TPS I assume
Get it fixed by a trained mechanic right away or you may have it towed away instead to repair

never noticed a connection on the side of a battery before ,unless it one of them funny american batteries with the connections on the side and not on top as normal cars

YOU NEED CLIP REMOVAL TOOL TO REMOVE WINDOW CRANK HANDLE.YOU NEED DOOR PANEL FLAT TOOL REMOVE DOOR PANEL HATE TO SAY DOOR PANEL HAS AT LEAST 8 CLIPS LOCATIONS 4 CLIPS AT THE BOTTOM PANEL 2 CLIPS ON BOTH SIDES DOOR PANEL. YOU HAVE TO REMOVE 2 SCREWS HOLDING DOOR PULL CUP.YOU HAVE RELEASE CLIP BEHIND DOOR HANDLE USING TRIM TOOL.IF YOU HAVE TROUBLE GETTING DOOR PANEL OFF.HAYNES REPAIR MANUAL CAN HELP.

after you get 1 or 2 cans of freon in it will come on.
turn cans of freon upside down to put in
will go in faster.

if this car has a sunroof the drains could be clogged with dirt

check the wiring

1. Raise and support the vehicle.
2. Place a drain pan under the oil pan drain plug.
3. Remove the oil pan drain plug.
4. Drain the engine oil.
5. Remove the engine belt
6. Remove the lower AC compressor bolt.Remove the 4 oil pan to transaxle bolts (1).
7. Remove the oil pan bolts.

nothing known problem for that generation

Most likely a broken fork bolt or shift fork itself. You will have to open trans to find issue.

Sounds like electrical problem. Is the electrical connector properly connected to the valve body on the transmission ? Maybe a solenoid was accidently unplugged when you had the cover off.