LaCrosse V6-3.6L VIN 7 (2006)
7. Remove the oil pressure sensor.
8. Install the J 21867 with the J-21867-6 adapter.
9. Measure the engine oil pressure.
10. Compare the readings to the Engine Mechanical Specifications .
11. If the engine oil pressure is below specifications, inspect the engine for one or more of the following:
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Loose oil filter adapter bolts
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Missing or damaged oil filter adapter O-ring seal or seals
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Worn or dirty oil pump
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Loose oil pump-to-engine block bolts
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Loose, plugged or damaged oil pump screen
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Missing or damaged oil pump screen O-ring seal
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Damage or leak in the oil pump screen suction tube
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Malfunctioning oil pump pressure regulator valve
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Missing or incorrectly installed oil gallery plugs
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Loose camshaft intermediate drive shaft bolts
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Excessive bearing clearance for the following:
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Connecting rod or rods
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Crankshaft
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Camshaft or camshafts
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Camshaft intermediate drive shaft sprocket
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Cracked, porous or restricted oil galleries
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Broken valve lifters
12. Repair or replace components as necessary.
