about the engine on 1995 Chevrolet Lumina APV

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what can be done if the motor is locked up
(3) Answers
(1) Comments
Really the only thing is to replace it.
do you mean to replace the motor or the car.
Rebuild it - costly but more reliable.
Replace it with a used one - less costly and less reliable since no maintenance and driving history is available.

Mine the cam had a piece flake off 3.8 L. Got caught in oil pump behind harmonic balancer behind cover. Cheap way other than overhaul is to put a big wrench on harmonic balancer and give a big pull. Or take off harmonic balancer and water pump and cover. Remove oil pump around crank. Probably will need new cover