To remove the knob there is quick release on the back edge of the knob, simply push the lever and the knob will pull off.
To install a replacement knob simple push it onto the shaft until it clicks into place.
To replace the headlight bulb give the socket a slight twist and it will come out of the composite headlight assembly. Unplug the old bulb from the socket, insert the new bulb and put it back into the composite assembly giving it a slight twist to lock it in place. Be sure it locks in place.
The fuel pump on your 1988 Chevy Celebrity is in the fuel tank.
The 1988 Chevrolet Celebrity uses distributor-less ignitions. Timing is controlled by the ECM, there is no provision for adjustments.
No there are shock absorbers on the rear.
The oil pressure sending switch on a 1988 Chevrolet Celebrity with 2.8L V6 is located on the bottom of the block near the oil filter.
Metal.
R12 unless it's been converted.
If your 1988 Chevrolet Celebrity has the V6 engine the oxygen sensor is in the middle of the exhaust manifold nearest the firewall. If you have the 4 cylinder engine the oxygen sensor is located in the exhaust manifold just above the exhaust pipe flange.
It on the back of the coil packs going into the side of the block.
The firing order for all of the Chevy Celebrity 4 cylinder engines is: 1 3 4 2
The 1988 Chevrolet Celebrity uses idistributorless ignition systems, the timing is controlled by the ECM. there is no provision for adjustment.
I would suggest you look in either a Chilton or Haynes manual for the proper steps to take to replace your car's rear brakes. There you will find instructions as well as illustrations that will help to get a proper job.