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The engine must be removed. It has to be completely disassembled. The block needs to be inspected and magnafluxed ( if you want to do the job right, which you should, every thing I mentions should be done). Pistons removed, crank removed and sent to machine shop to be checked and machined in necessary. New bearing should be installed by a machine shop. The installation specs are VERY CRITICAL> This really is not a job for a back yard mechanic. This is a high skill job and anything less that several years experience doing it will probably end up being a disaster. Most mechanics would send a job like this to an engine builder or reman shop. It WILL be expensive but probably not as expensive as a new motor if everything else is ok and considering the mains are bad, the is doubtful. Sorry. Been doing this a long time and want to be truthful.
What else can I help you with?
Will 350 Chevy main bearings fit 283 Chevy crank?
No.
How do you remove a crank sensor on a 1997 Chevy blazer?
First find the crank sensor and then kick the crap out of it :D
Does a 95 Chevy Blazer have a crankshaft sensor?
That year did not use a crank sensor.
Where is the crank shaft located on a 2000 Chevy blazer?
Inside the bottom of the engine block.
Will rods pistons and bearings from a 1975 small block Chevy fit crank and block of a 1997 small block Chevy?
Theoretically, yes.
What causes low oil pressure in 94 Chevy silverado once it is warm 350 motor?
Typical of worn bearings....crank, cam and rod bearings.
What is a crank sensor for a 1995 blazer?
A 1995 blazer does not have a crank sensor. SORRY
What is the mpg Chevy blazer 1996?
It crank but it dos'nt start recently i pu some gas in the thraun then it start
How do you bypass the ignition module to crank a 2000 Chevy blazer 4.3?
It will not run if you bypass the ignition module (no spark).
Can you fix crank shaft bearings?
u can grease and change them so that should answer your question
Why is 1993 Chevy blazer spilling gas into the crank case?
One of the fuel injectors in the throttle body may be leaking.
Why do you have no spark with a brand new coil on your Chevy s-10 blazer?
It could be the crank sensor, depending what year vehicle you have.
