2007 Compass Patriot MK Factory Service Manual 9 - ENGINE

BEARINGS-MAIN

STANDARD PROCEDURE - MAIN BEARING SELECTION

NOTE: There are three different possibilities for the upper main bearings and five different lower main bearings. The upper and lower bearing shells are not interchangeable.



The lower main bearing identification (2) is stamped in the nose of the crankshaft (3). There are 5 different bearing sizes available 0 through 4.
CRANKSHAFT IDENTIFICATION
  		LOWER CRANKSHAFT BEARING SELECTION
  
JOURNAL DIAMETER GRADE
  		DIMENSION
  		LOWER MAIN BEARING SIZE CLASSIFICATION
  		LOWER MAIN BEARING DIMENSION
  
0
  		52 mm, -0.012 to -0.015 mm
  		0 (Pink or Red)
  		2 mm, 0 to -0.003 mm
  
1
  		52 mm, -0.015 to -0.018 mm
  		1 (Black)
  		2 mm, +0.003 to 0 mm
  
2
  		52 mm, -0.018 to -0.021 mm
  		2 (No Color)
  		2 mm, +0.006 to +0.003 mm
  
3
  		52 mm, -0.021 to -0.024 mm
  		3 (Green)
  		2 mm, +0.009 to +0.006 mm
  
4
  		52 mm, -0.024 to -0.027 mm
  		4 (Blue)
  		2 mm, +0.012 to +0.009 mm
  





The upper main bearing shell identification (1) is located in the middle of cylinder block on the right side of the engine. There are three different size bearings available. The bearing class is read downward from top and corresponds to the front journal to the rear journal on the bottom.

UPPER MAIN BEARING SELECTION

CYLINDER BLOCK IDENTIFICATION
  		UPPER CRANKSHAFT BEARING SELECTION
  
MAIN BEARING GRADE
  		DIMENSION
  		UPPER MAIN BEARING SIZE CLASSIFICATION
  		UPPER MAIN BEARING DIMENSION
  
1
  		56.000<56.006 mm
  		1 (Black)
  		2 mm, 0 to -0.006 mm
  
2
  		56.006<56.012 mm
  		2 (No Color)
  		2 mm, +0.006 to 0 mm
  
3
  		56.012<56.018 mm
  		3 (Green)
  		2 mm, +0.012 to +0.006 mm