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Not sure what category to place this in since new member and I have several questions within different categories........so here goes.

New to Cobalt but am a die-heart Chevy/GM guy. Not a mechanic by trade but done my share of pulling/replacing engines/tranny's, engine rebuilds, auto painting and maintenance/repair.

I bought a yellow (favorite color) 06 LT coupe with 2.2 and auto tranny in December 2016, which I now have put over 4,000 miles on. So for the questions.......

- This morning on the way to work after hitting a (pretty good) bump in the road, the T/C and ABS lights both came on in the DIC. Turned the car off for several minutes. Started back up and the lights were off. When I get home tonight I hook up the OBD-II scanner and see if there are any stored codes. Any ideas or common problems?

- Auto tranny. I remember when replacing the engine in my daughters 2001 Caviler Z24 that there was no dipstick but rather a red screw plug hidden under some engine bay accessories. Looks to be the same scenario here. What is the proper way to determine the fluid level?

- I had a little vibration which seemed to be coming from the front. I had the rotors turned down and the wheels re-balanced. I also replaced the steering shaft. (What a pain in the tail that was since the old one wouldn't collapse.) Seemed to take a lot of the vibration away. I had the front up on jack stands and decided to put the e-brake on and run it in drive to see if the wheels were bent. They were okay. However, when I tried to restart the car after this, it would start and die immediately. Then would restart again with no issues. Went through this cycle about a day or so. Starts okay now. Should I be concerned about anything here?

- Any issues known when disconnecting the battery? I know that disconnecting the battery on my wife's 07 Trail Blazer messed up one of the HVAC actuators.

- Last but not least........ How do I post an avatar? I have a jpeg file on my computer less than the maximum file size and dimensions allowed, but will not upload.

Any and all help would greatly be appreciated.

Thank you,
 

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- This morning on the way to work after hitting a (pretty good) bump in the road, the T/C and ABS lights both came on in the DIC. Turned the car off for several minutes. Started back up and the lights were off. When I get home tonight I hook up the OBD-II scanner and see if there are any stored codes. Any ideas or common problems?
You will probably only find a ''U'' code which is a communication code. First thing to try is re-seating the 2 blue/gray connectors on the BCM and changing the PCM/TCM fuse on the upper left corner of the BCM fuse block even if it isn't burnt. If this does the trick you may want to add a bit of dielectric grease to delay corrosion.



- Auto tranny. I remember when replacing the engine in my daughters 2001 Caviler Z24 that there was no dipstick but rather a red screw plug hidden under some engine bay accessories. Looks to be the same scenario here. What is the proper way to determine the fluid level?
Put the car on a hoist at operating temperature while running and remove the plug on passenger side of transmission, fill until oil spills out.

- Any issues known when disconnecting the battery? I know that disconnecting the battery on my wife's 07 Trail Blazer messed up one of the HVAC actuators.

- Last but not least........ How do I post an avatar? I have a jpeg file on my computer less than the maximum file size and dimensions allowed, but will not upload.

Any and all help would greatly be appreciated.

Thank you,
A lot of maintenance procedures require you to disconnect the negative of the battery so should not be a problem and I recommend doing so before you re-seat the BCM plugs. As far as Avatars I believe admin is working on that, some people have had difficulty loading depending on search engine and O/S.
 
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