LUBRICATION
8-10
BY Service Manual
Tests and Adjustments
Figure 8-4
Note: Special tools OEM No. 13 6 054,
13 6 051, and O-ring (Figure 8-4, (1))
are used with DIS Tester.
6. Connect test pressure gauge (Figure 8-4)
special tool OEM No. 13 3 063 and 13 3 061.
7. Start the engine and read the pressure gauge
at the listed engine speeds.
Results:
• If the mechanical oil pressure test gauge
indicates good oil pressure, replace the faulty oil
pressure sensor or faulty oil pressure gauge.
• If the mechanical oil pressure test gauge
indicates low oil pressure, troubleshoot the
lubrication system to locate the cause of the low
oil pressure. Repair as necessary.
Specifications
Inspection Item Test RPM Specification
Engine Oil
Pressure
4BY
Idle 0.8 bar (12 psi)
4000 rpm
3.8 - 6.0 bar
(58 - 87 psi)
6BY
Idle 0.7 bar (10psi)
4000 rpm
3.8 - 6.0 bar
(55 - 87 psi)
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