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    2008 Cobalt LS Dead in a parking lot!! Not getting fuel? (Emergency)

    After all I've tried, I figured out two things: 1) I burned up my SECOND fuel pump in a few months. 2) I bought a Cobalt Since I got the pump replaced....AGAIN, I'll be repairing the 2nd problem asap.
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    2008 LS getting a little warm?

    The cooling problem is done. It was low. See my newest thread for my latest and most serious issue.
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    2008 Cobalt LS Dead in a parking lot!! Not getting fuel? (Emergency)

    I drove 20 miles to work Friday. The car ran fine. I go to leave work, and it just cranks....cranks.....cranks, sputters maybe once every 5-10 tries and..nothing. I checked power to the fuel pump fuse and it's good. I ran my fuel tank low a few times in a few weeks, so I thought I burned my fuel...
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    2008 LS getting a little warm?

    One thing I did remember was that when I did all that work, I kept having to remove and replace the coolant. I ran short because of a spill, so I just put whatever I could back into the system. When it's sitting cold after not running for a while, the level in my reservoir is all the way at the...
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    2008 LS getting a little warm?

    I tested the thermostat in water when I did the water pump and it opened as it should have. The fan (I only have one) kicks on around 220°. Whether it's in high mode, I don't know. I had the catalytic converter replaced. It drives SO much better, but it still gets warm, mainly when idling or...
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    2008 LS getting a little warm?

    Per my previous threads, I recently did A LOT of work to it. But in case you didn't feel like visiting those threads: 1) replaced heater core 2) replaced head gasket 3) replaced water pump 4) replaced timing chain during the head gasket change 5) even replaced the coolant reservoir cap 6)...
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    Fuel Rail issue - erratic idling/stalling

    Thank you! And thanks for your suggestions.
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    Fuel Rail issue - erratic idling/stalling

    Alright. My parts came in. I ordered injectors AND the insulators. I know exactly what happened now. I don't believe it was the injectors, but whatever, it has new ones now. Lol. When I would try to put the old insulators back in, they would just kinda sit in the injector cups. They were too...
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    Fuel Rail issue - erratic idling/stalling

    Ok, I realized these are the injector insulators. I'm nervous about this because it's night time and I can't get any parts right now. I hope it's safe to drive because I have 20 miles to work in the morning. I just don't understand why it's leaking. I can't see any fuel residue around the...
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    Fuel Rail issue - erratic idling/stalling

    Ok. I got the new o-rings, but it's still hissing. What are the little plastic cups that slide over the end of the injector (bottom end)? I remember when I first pulled the fuel rail out, it took some effort. Now it seems to just kinda sit in the cup, which has to be the reason I'm hearing the...
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    Fuel Rail issue - erratic idling/stalling

    It's a 2008/2.2L. It has to be an o-ring because when I move it around, it stops when it reaches a certain position. I actually left one bolt out because fully tightening them actually made it worse. I called autozone. The o-ring (upper and lower) kit is under $10. I'll change them out and...
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    Fuel Rail issue - erratic idling/stalling

    I recently did a bunch of work to my Cobalt, which involved removing the fuel rail. I fixed all of my problems, but my idle went downhill. I heard a hissing noise coming from around the intake (so I thought), so I removed the throttle body and intake manifold to check out the o-rings (which were...
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    2008 Cobalt overheating

    I went ahead and removed the exhaust manifold (all the nuts were freed up since I replaced the head gasket) since I had the time and wanted plenty of room. I pulled the water pump, but strangely didn't see anything out of the ordinary, however, when I inspected the impeller by turning it, a...
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    2008 Cobalt overheating

    Ok, I made up a method to try and see if coolant is flowing through the radiator. I removed the lower hose at the thermostat, and removed the upper hose at the head. I put a trash bag over the opening at the lower hose, and blew through the upper hose. Coolant came right out. Theoretically...
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    2008 Cobalt overheating

    Ok forget I said that. Haha.
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    2008 Cobalt overheating

    Would you happen to know where the heater control valve is located on this engine?
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    2008 Cobalt overheating

    But the upper seems to be firm.
  18. C

    2008 Cobalt overheating

    I wouldn't say floppy. I'm able to squeeze it if that's relevant.
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    2008 Cobalt overheating

    No. Upper is warm, lower is not.
  20. C

    2008 Cobalt overheating

    Without knowing if the temp sensor is faulty (I'm assuming right now it's ok), and not knowing if there is a restriction in my radiator, it's leading me to step 21, the water pump.
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    2008 Cobalt overheating

    Ok. I was looking in my Haynes manual and it shows a fabricated tool with guide bolts. I need this fast, and a Google search actually showed Walmart to have it (weird since AutoZone, O'Reillys, and Advance didn't have it). Gonna snag a ride asap and see if I can find it. If not, then I'm...
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    2008 Cobalt overheating

    I saw the link for the tool. Right now I'm trying to search for what size all-threads I'll need for guide bolts.
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    2008 Cobalt overheating

    The expansion tank did refill super fast and nearly overflowed, so I immediately put the cap back on.
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    2008 Cobalt overheating

    What sucks is that I can't even take the water pump off until I have the GM tool. I'd make one, but I don't have any flat stock or a drill.
  25. C

    2008 Cobalt overheating

    I don't think it can be installed backwards either. It wasn't insulting at all to mention that. It's a simple mistake. But yes, it's installed just like the diagram shows. When I had the front cover off, the balance shaft chains appeared to be correctly on the water pump sprocket. I touched...

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