The first sensor directly behind the drivers side exhaust manifold, it is threaded into the exhaust y-pipe.
extended pickup
It is on the cylinder head near the thermostat housing.
There are several on that vehicle. They are all threaded into the exhaust system at various points.
The 02 Chevy S10 with a 4 cylinder or a 6 cylinder does not have a timing belt.
First cylinder in front on drivers side.
There are several O2 sensors on that vehicle and they are all threaded into the exhaust system at various points.
One for each cylinder, six in a six cylinder, four in a four cylinder.
The 95 S10 4.3L still uses the distributor.
Need more info, is this the 4 cylinder or 6 cylinder engine and which sensor on bank 1.
probably 4 or 5 quarts
0.035
It has a Timing Chain.