Range Rover (LM) V8-4.4L (2009)
Crankshaft: Testing and Inspection
Crankshaft Main Bearing Journal Clearance
Crankshaft Main Bearing Journal Clearance
CAUTION: THESES PROCEDURES SHOULD NOT BE CARRIED OUT DURING THE MANUFACTURERS WARRANTY PERIOD.
NOTE: Example - *PJEAL* - Crankshaft Main Journal Diameter.
1. Read the grade letters from LEFT to RIGHT = FRONT to REAR of engine eg. for this example engine, the crank journal at the front of the engine
is grade P, and at the rear is grade L.
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The selection of main bearing shells is described in the following chart.
NOTE: Example - *ABAA* - Crankshaft (Big End Bearing) Crankpin Diameter
NOTE: For vehicles built up to 2002 MY.
NOTE: If the crankshaft main bearing carrier retaining bolts have been marked with a center punch dot, they must be discarded and new bolts
installed.
2. Read the grade letters from LEFT to RIGHT = FRONT to REAR of engine eg. for this example engine, the crankpin at the front of the engine is
grade A and at the rear is also grade A.
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Grade A = 56.000 to 55.994 mm (Bearing Shell Color Code - Blue).
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Grade B = 55.994 to 55.988 mm (Bearing Shell Color Code - Green).
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Grade C = 55.988 to 55.982 mm (Bearing Shell Color Code - Yellow).
NOTE: Example - *ABAA* - Crankshaft (Big End Bearing) Crankpin Diameter
NOTE: For vehicles built from 2002 MY.
NOTE: If the crankshaft main bearing carrier retaining bolts have been marked with a center punch dot, they must be discarded and new bolts
installed.
3. Read the grade letters from LEFT to RIGHT = FRONT to REAR of engine eg. for this example engine, the crankpin at the front of the engine is
grade A and at the rear is also grade A.
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Grade A = 53.000 to 52.994 mm (Bearing Shell Color Code - Blue).
^
Grade B = 52.994 to 52.988 mm (Bearing Shell Color Code - Green).
^
Grade C = 52.988 to 52.982 mm (Bearing Shell Color Code - Yellow).
NOTE: Example - *21222122* - Cylinder Bore and Piston
4. The cylinder bore grades read from LEFT to RIGHT as follows:
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Bank 2 - Cylinder 1, Bank 2 - Cylinder 2, Bank 2 - Cylinder 3, Bank 2 - Cylinder 4, Bank 1 - Cylinder 4,
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Bank 1 - Cylinder 3, Bank 1 - Cylinder 2, Bank 1 - Cylinder 1.
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(Note, in earlier publications Bank 1 was described as A-Bank and Bank 2 as B-Bank)
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Grade 1 Bore = 85,990 to 86,000 mm.