Yes, That would be the easiest thing 2 do.
The engine or transmission has to come out, one or the other, which ever is easier.
$2
How do you change a rear main seal on a 2001 Chevy 2500 HD long bed
70 ft lbs
You must remove the transmission are engine to replace the rear main seal.
It will if the trans has Chevy bolt pattern.
You will need to remove the transmission.
It's part of the main transmission body. Replaceing the entire trans is usually easiest.
no just the trans and transfercase and loosen the bolts on rear main bearing cap
Need to know the year of engine.
Pull the engine.
Remove the transmission and starter. Unbolt the flexplate from the crank. While you're at it, replace the rear main seal. Replace the flexplate and torque bolts to manufacturer's specs.