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1.Confirm the engine oil level is appropriate (Refer to  Engine
Oil Check).
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2.Warm up the engine until the engine oil temperature reaches 80°C (The radiator
fan operates once).
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3.Remove the engine oil pressure switch (the brown insulation) from the oil filter bracket.
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4.Install the special tool oil pressure tester (MB995216) to the portion in which the
engine oil pressure switch of the oil filter bracket is installed.
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6.When the engine speed is at 2,000 r/min, confirm the oil pressure is within the standard
range.
Standard value: 200 kPa or higher (at 2,000 r/min)
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7.When the engine runs at high speed, confirm the oil pressure does not exceed 700 kPa.
If necessary, replace the oil filter bracket.
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8.Tighten the engine oil pressure switch to the specified torque. If the sealing ring
has an oil leakage, replace the sealing ring.
Tightening torque: 22 N·m
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