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sprinkles08
sprinkles08, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 21571
Experience:  ASE Master & Advanced level certified, Chrysler Master Certified, Trans and Hybrid Specialist
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can crankshaft bearings be replaced without engine removal

Resolved Question:

can crankshaft bearings be replaced without engine removal on 2.7L in a 2003 sebring
Submitted: 6 years ago.
Category: Chrysler
Expert:  sprinkles08 replied 6 years ago.

Hello and welcome to JustAnswer!

 

Rod bearings can be removed and replaced with the engine in place for sure. Once the oil pan is off then the rod bearing caps can be removed and the bearings replaced.

 

Since the main caps are crossbolted, which means there are bolts running into the main caps from the sides of the block, this will make main bearing replacement with the engine in a little tougher. You may have to remove other components to get some of these bolts out if you need to replace the mains too. It's going to be tough to get the upper main bearings out and the new ones in with the crank in place. To make this easier you might remove all the main caps and try to let the crank sag down some and open up a little clearance between it and the upper shells.

Customer: replied 6 years ago.
need torque specs for rods and mains
Expert:  sprinkles08 replied 6 years ago.
The rod bearings torque to 20 foot pounds and then are turned another 90 degrees.

The mains are a little more involved:

First install the inner main bearing cap bolts, torque them to 15 foot pounds, and turn them an additional 90 degrees.

Install the windage tray, torque the bolts to 20 foot pounds and then turn them an additional 90 degrees.

Then torque the main cap side bolts that come in from the side of the block, to 250 inch pounds.
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