Tell us what problems you are having.
You need to be more specific. What sort of fuel problems does your Chevy Celebrity have?
Having ABS does not change how you bleed the brakes. Bleed them as you would if it did not have ABS.
I find no reference to anti-lock brakes in my factory service manual or other reference works so I assume that they were not available in 1986.
There is no way to post the detailed description plus illustrations that would help you do a brake job. I would suggest you consult either a Chilton manual or Haynes manual to help you do a successful brake job on your Chevy Celebrity.
With any vehicle, start with the wheel furthest from yhe master cylinder, and work closer.
OK, you have a 1982 Chevy Celebrity. Do you have a question?
Describe the problems you are having.
Take it to a professional who has the proper equipment and training to do the job correctly.
Yes there are Torx fasteners used in a Chevy Celebrity.
There is no relay for the tail lights on a Chevy Celebrity.
There is no such thing as a 1991 Chevy Celebrity
Chevy didn't make a 1981 Celebrity