Ok, firebird and sunbird are completely different cars
the sensor is common for sticking into the block once unbolted. Spray it down well with lube and try turning it back and forth before trying to pull it up.
It is in the front of the motor towards the front. Not an easy job as if it breaks, you may have to drop the oil pan to drive it up
Monday, February 25th, 2013 AT 11:52 AM