thermostat is located under radiator cap!
Remove oil pan
What's exactly the question is?
Crank sensors are always located on the camshafts. The 1989 Pontiac Sunbird crank sensor is located on the head of the engine towards to end of the camshaft.
Fuel tank.
1 3 4 2
on the right hand side of the block
right above the oil filter
1-3-4-2
The most current specified and downwardly compatible automatic transmission fluid (ATF) for the 1989 Pontiac Sunbird with the 2.0L 4-cylinder engine (Vin "K") is GM Dexron VI.
ecm and ing. module
change thermostat
You might want to go and look at some books at a Public Library.