Chevy 305 Engine Main Bearings Replacement
Thomas Nichols and 3 other contributors
Last updated on Jan 9, 2020
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Introduction
Go to step 1 ↓This guide is intended for use on engines already removed from the vehicle. While this kind of work may be possible to complete with the engine still in the car, it will be much easier with the engine removed.
The main bearings on a vehicle are what makes it possible for the crankshaft to rotate smoothly inside the engine. A bearing is needed for anything that runs in a circular motion to run smoothly, these main bearings are between the caps and the crankshaft in order to give it that smooth, frictionless surface.
What you need
Parts
Tools
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×12
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Remove the 18 bolts holding the oil pan in place (fourteen ⅜” bolts & four ½” bolts on each corner) and remove oil pan using the 3⁄8 and 1⁄2 sockets, 6 inch extension and 3⁄8 ratchet.
Ask FixBot
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Remove the 5 main bearing caps.
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Gently tap the side of the cap with a rubber mallet if needed to break free.
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Remove and replace main bearings.
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Liberally apply assembly lubricant/oil to the new bearing surfaces and crankshaft journal.
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One other person completed this guide.
Team
University of Memphis, Team S4-G3, Kim Fall 2019 Member of University of Memphis, Team S4-G3, Kim Fall 2019
UM-KIM-F19S4G3
3 Members
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