OIL PRESSURE CHECK <4HN>


1.Place a drain tray under the engine.

2.Remove the engine oil pressure switch.


3.At the position where the engine oil pressure switch is removed, tighten the special tool oil press check extension (MB996203) to the specified torque with the gasket.
Tightening torque: 10 ± 2 N·m

4.Remove the end part of special tool oil press check adapter (MB996204).

5.Install only the end part removed in Step 4 to the special tool oil press check extension (MB996203).

6.Install the special tool oil press hose adapter ((-) - 1503B) to the kit installed in Step 5.
7.Install the oil pressure gauge to the special tool oil press hose adapter ((-) - 1503B).
8.Check engine oil quantity.
9.Start the engine.
10.Read the oil pressures.
11.Compare the values read on the oil pressure gauge with those in the table below.
Minimum values to be obtained
 (5W30oil)
Idling
 90 - 130 kpa
(0.9 - 1.3 bars)
2,000 rpm
 440 - 480 kpa
(4.4 - 4.8 bars)
4,000 rpm
 530 - 570 kpa
(5.3 - 5.7 bars)
12.Remove the oil pressure gauge.
13.Remove the special tool oil press check adapter (MB996204).
14.Remove the special tool oil press check extension (MB996203).
15.Tighten the engine oil pressure switch to the specified torque with the new gasket.
Tightening torque: 3.2 ± 0.3 N·m