How do you install a crankshaft in a 400 cu in Pontiac trans am engine?
Completely disassemble the engine, thoroughly clean the block
and all components. If the cylinders show signs of wear (ANY
measurable taper) bore the cylinders and replace the pistons.
Recondition the rods! If the crankshaft has been damaged ALL OF the
rods must be either replaced or reconditioned. Replace all of the
rod and main bearings. Inspect the camshaft and lifters for damage
or wear and replace if necessary. The prudent mechanic replaces ALL
even if only one shows signs of wear. Also, the prudent mechanic
always reconditions the head every time the engine is apart.
Reassemble the engine using new gaskets, oil pump and timing
chain/gear as necessary. Never plan on an engine teardown that will
only replace a single component, especially the crankshaft.
Typically an engine suffers a great amount of damage when a major
component, like the crankshaft, is damaged. If there is ANY
indication of heating outside of the normal range, you may have
slighly warped the block and you'll need to "align bore" it for the
new crankshaft. This is not a good place to plan on an inexpensive