My cavalier coolent light will come on and ill check my coolent and it will be low so ill fill it up snd it will be fine for a while then go low agian is this just a leak somewhere? and also everynow and then you can smell antifreeze from the inside and outside of then car well driving but it stop smelling fairly quickly? could these be symptoms that my head gasket is going?
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Kimberley, 1998 cavalier, BCM is located at the lower left side kick/trim panel, you can have it checked and reprogrammed by a good Tech. as long as they have access to the programming software. Remember the BCM has to be reprogrammed if you change it.
Did you try the security relearn procedure, see 2nd and 3rd link for instructions on relearn procedure. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." 2001 Cavalier won start the BCM RFA clicks 1998 Chevy Cavalier 1998 Chevy Cavalier Ok We Turned This in to Fix Your Chevy With Your Own Hand
You can fill it from there with the engine off access and remove plug you will need a transmission funnel,start the vehicle and add half quart transmission fluid (dextron III) as you remove the funnel you should see fluid at the far bottom just dont fill it to the top just add some if you over fill it it will spew out so a little at a time
That is your low coolant lamp. You should check your coolant level with the engine cold. Fill it with coolant if it is low, and inspect it, or have it inspected for a leak, or faulty coolant level sensor.
If your ABS light is on as well, have a shop scan it (it requires a special scanner). If it's just your Trac light without ABS, it is most likely a sensor under the hood at fault. If you are getting a check engine light as well, get the codes read!
This happened to me without an ABS light and it was the upstream O2 sensor. The reason it throws the Trac light is because if any components that the traction control uses (ignition, fuel) are affected by a bad sensor, the PCM shuts down traction.
In fact, when I replaced the O2 sensor, a handful of other little issues resolved as well.
If you do have an ABS light on, it could very well be a wheel speed sensor.