According to one source I found the weight of a 1989 Chevy Celebrity varied between 2751 to 2928 pounds. Actual weight of a given car would depend on engine, transmission and other options.
I found a site that listed the curb weight of a 1989 Chevy Celebrity at 3100 pounds. Of course that would vary depending on the engine and other options on a given car.
The petcock on a 1989 Chevy Celebrity is at the bottom of the radiator on the drivers side.
The oxygen sensor on a 1989 Chevy Celebrity is located in the rear exhaust manifold on top about the center.
The 1989 Chevy Celebrity V6 is rated at 130 hp.
The spark plug gap for your 1989 Chevy Celebrity 2.8 V6 is .045".
Looking in my factory service manual for a 1989 Chevy Celebrity I found no reference to an accessory relay.
There is no fuse on the alternator.
on the side of the transmission
The thermostat on a 1989 Chevy Celebrity is located under the water outlet fitting. Follow the upper radiator hose, it will end at the water outlet.
No Chevy Celebrity ever had a 4.0L engine
All Chevy Celebrities have rack and pinion steering.
On a 1989 Chevy Celebrity the timing is controlled by the engine control module, there is no specification or provision for adjusting the timing manually.