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Chapter 3 Lubrication System
(MR479Q, MR479QA, MR481QA)
Section 1 Oil Pressure Gage Sensor Replacement
1. Check oil level
Warm up the engine. Check the dipstick to ensure oil level between "L" and "F" after engine stopped
5 minutes. Check for leakage if it is too low. Fill oil to "F.
2. Check oil for deterioration. Water entry, discolor and dilution. Replace oil if it is obviously
deteriorated.
3. Detach oil pressure sensor assembly. See (Figure 80)
4. Install oil pressure gage sensor. See (Figure 81) Start engine to
normal operation temperature.
5. Check for oil pressure
6. Smear adhesive on 2 or 3 threads of the oil pressure sensor.
Install oil pressure sensor. See (Figure 82)
Figure 81
Figure 80
Figure 82
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Troubleshooting
