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8 votes
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Should misfire counts be zero?

You're raised two questions: Should these counts be just dead-nuts 0? In my experience, NO. While I'm sure every manufacturer has their own standard for when to set the CEL on a misfire, some ...
jwh20's user avatar
  • 12.1k
4 votes
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Determine Chevrolet Cobalt Year

The easiest way to determine the year of the vehicle is through the Vehicle Identification Number or VIN. There is a ton of information in the VIN and part of that is the year code. VINs since 1972 ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
4 votes

Chevy Cobalt key stuck in ignition, battery dead

If you look up from underneath the steering column there is a hole where you can push a button or a tab to release the key with a srewdriver.
Willie's user avatar
  • 41
4 votes
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Chevy Cobalt key stuck in ignition, battery dead

You need to jump start your car. Pop the hood. You'll see something like this: Inside the green circle is the positive jump point. Connect the red jumper cable clamp there first. Find an unpainted ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
3 votes

unequial drag from front (disc) brakes

I would suggest the caliper piston not retracting correctly, mainly because pads are being worn equally, just with one side being worn a lot more than the other ... the worn side is where I'd look for ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
3 votes

replacing A/C condenser – without having to drain R134a refrigerant?

No. There would need to be valves either side of the condenser to limit gas loss, but even then you would still lose a condenser full of gas. You would then have the problem that you have a new ...
HandyHowie's user avatar
  • 25.2k
2 votes

Switched battery terminals when installing, 2008 Chevy Cobalt

Turns out the problem was the key security system. Apparently the switched voltage reset the key security, which caused my key to not be recognized by the car. After getting the security ...
camdenl's user avatar
  • 171
2 votes

Unable to redirect airflow from floor to defroster, etc.in 2006 Cobalt

Two things come to mind, the blend door motor seized while trying to home (not that uncommon an occurrence after disconnecting the battery or if it dies) or you need to home the controller/motor. The ...
mikes's user avatar
  • 19.9k
2 votes

Alternator going bad twice after five months

There are a number of things that can cause premature alternator failure. Substandard replacement parts - it could just be that you have gotten substandard parts that fail more readily Poor/damaged ...
CharlieRB's user avatar
  • 9,035
2 votes

Passenger front blinker, rear blinker & brake, and middle brake lights all out

Take a look at the wiring diagram below. The important clue is you said the middle brake light isn't working. The CHMSL (Center High Mounted Stop Light) works only from closing the dedicated relay. ...
SteveRacer's user avatar
  • 12.4k
2 votes

unequial drag from front (disc) brakes

Textbook No.1 causes for drag on disk brakes are calipers seized by dirt. Just disassemble them, clean thoroughly -especially the slides- with a wire brush, lubricate where needed (depends on model) ...
Martin's user avatar
  • 8,448
2 votes
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Substitute oxygen sensor gasket?

You don't want it to leak oxygen in through the threads as this will cause the sensor to misread what is coming through the cat. If the 18mm spark plug gasket is the same size (I know sensors have a 7/...
Pᴀᴜʟsᴛᴇʀ2's user avatar
2 votes

2010 Chevy Cobalt electrical issues?

On our '07 Cobalt, (1) I have the same non-canceling turn signal problem. I believe it's a mechanical issue. This guy says he has a fix, and an explanation. (Long, lots of pix, I'm not going to ...
George's user avatar
  • 1,113
1 vote

How do I change the system language of a 2009 Chevrolet Cobalt?

The below instructions are for the 2010 but they are very similar. On the 09, I don't believe you need the ignition turned on to change the language. On the left side of the steering wheel, info is ...
Atomic Tripod's user avatar
1 vote

radiator removed – is it still possible to flush system?

Yes, you can flush the motor with the radiator out. Take a garden hose and put it in the bottom radiator hose or inlet. then tightly squeeze a towel in around the hose. Turn on the hose and wait for ...
Michael Prokopec's user avatar
1 vote

uneven steering effort

The u-joint coupling the (steering) intermediate shaft and the rack's pinion shaft is rusted up.
George's user avatar
  • 1,113
1 vote

Manual trans/ high rev in all gears power not transferring HELPPPP!

Replace your clutch as it is worn out. The gearbox is fine, if there was a problem with it, it would be either not transferring power at all, or not engaging in gear...
Alimba's user avatar
  • 393
1 vote

Door speakers rain damage

In almost all cars inner part of the door isn't sealed from the outside. When rain falls water gets to the glass, then goes down and enters inner part of the door and then all the way down and through ...
JimJohh's user avatar
  • 91
1 vote

Battery is dead in my trunk and I can’t get to it

You could try using jump leads to a spare battery or another car's battery. Connect the positive to the large connector on the engine starter motor. Connect the negative to a suitable point on the ...
HandyHowie's user avatar
  • 25.2k
1 vote

'steering kickback'

I think this is simply the tires reacting to the different levels of traction available on the mixed surface. Slip angles on the tires is going to be very different. On dry pavement going slowish when ...
Tim Nevins's user avatar
  • 1,046
1 vote

2008 Chevy cobalt starting problems

Kind of sounds like a possible ignition switch. Go onto Chevy website. Check for recalls.
cano's user avatar
  • 823
1 vote

broken serpentine belt, 2007 Chevy Cobalt

Two months isn't enough time for the tensioners to seize without significant environmental issues. I've left my Solstice (same motor) sitting at the airport for several months before and come back to ...
3Dave's user avatar
  • 3,149
1 vote

broken serpentine belt, 2007 Chevy Cobalt

Likely, one of your pulleys seized. Check all of them, see if you can turn them by hand. You won't be able to turn the crankshaft by hand, but all the other ones, you can and should.
tlhIngan's user avatar
  • 12.2k
1 vote

Raw Engine Noise

On newer cars, the timing chain tensioner works off of oil pressure. When your car sits, the oil pressure bleeds off. So when you start it, you hear the timing chain slapping. It a common problem ...
Chuck's user avatar
  • 149
1 vote

2006 Chev Cobalt Wont go forward

In the transmission your car has, a frequent issue I saw as a GM trans tech was the oil pressure tubes cracking that provide pressure to the forward clutch. They are above the filter on the bottom of ...
Vince P.'s user avatar
1 vote

Electrical Issues -- possible alternator

If the alternator passed the test, then the alternator belt passed the test also. :) If the belt was loose or needing replacement, the alternator wouldn't be able to put out it's proper voltage. A ...
tlhIngan's user avatar
  • 12.2k
1 vote

Clicking brakes after wheel bearing replacement

if it is since you have replaced a hub and bearings, on the same wheel, then all you can do is to get the wheel off and look for a reason. Maybe a new hub wheel studs touches something. Looking now ...
Arturs Bolsunovskis's user avatar
1 vote

ENG PWR REDUCED 2009 Chevy Cobalt LS

On GMs the only time the engine power reduced message is displayed is when there's a fault with the electric throttle, throttle position sensors or the accelerator pedal position sensors. Depending ...
Ben's user avatar
  • 10.7k
1 vote

Chevy Cobalt key stuck in ignition, battery dead

I had the same problem. This is the dumbest "circular logic" problem an engineer can make. I had to "reverse birth" myself by jamming my arm between the back seats to release the passenger rear seat ...
Someone Lucky's user avatar

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