ISM, ISMe, and QSM11 – 001-007   Bearings, Thrust

Table of Contents

Install

Install

TOC

Use Lubriplate™ 105, Part Number 3163086, Part Number 3163087 or equivalent, to coat the upper thrust bearings.

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Push the crankshaft toward the rear of the engine to install the rear thrust bearing, and to the front of the engine to install the front thrust bearing.

Install the upper thrust bearings in the number four main bearing saddle.

The grooves must be toward the crankshaft.

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Use Lubriplate™ 105, Part Number 3163086, Part Number 3163087 or equivalent, to coat the lower thrust bearings.

Install the lower thrust bearings in the number four main bearing cap as shown.

The grooves of the thrust bearing must be toward the crankshaft.

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Use clean 15W-40 engine oil to coat the capscrew threads and on both sides of the washers.

Drain the excess oil from the capscrews before installing them in the cylinder block.

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 CAUTION 

To avoid the possibility of damage to the cylinder block and main bearing cap, the number four main bearing cap must be aligned with the dowel pins in the bearing saddle when the capscrews are tightened.
 
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The main bearing caps are numbered one through seven from front to rear in the cylinder block. The caps must be installed so the number on the cap matches the bearing saddle in the block. The lock tangs in the main bearing saddle and bearing cap must be on the same side.

Install the main bearing caps.

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 CAUTION 

To avoid the possibility of damage to the main bearing cap and bearings, do not hit the main bearing cap with a hammer.
 
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Use a dial indicator to measure the crankshaft end clearance.

Crankshaft End Clearance

mm in
0.10 MIN 0.004
0.56 MAX 0.022

If the end clearance is not within the specifications, inspect the main bearing cap and thrust bearing surfaces in the cylinder block.

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Last Modified:  05-Jan-2009