Check The Engine Compression Pressure - Hino Motors HINO 155 series Workshop Manual

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11

Check the engine compression pressure

SST
Do the measurements meet the standard value?
Go to step 12.
12
Inspect the engine speed main sensor (Crankshaft position sensor)
Engine speed main sensor (Crankshaft position sensor)
Connector
Flywheel housing
Was any failure found?
Repair or replace the faulty parts.
ENGINE (J05E)/TROUBLESHOOTING
Perform an engine warm up. (engine coolant temperature: 80 C
1.
{176 F} or more)
2. Stop the engine.
3. Remove the all injectors.
4. Set the special service tool (SST) and measure the compression.
To
engine
SHTS021270300268
Engine revolution: 150 r/min
YES
1. Inspect the condition of engine speed main sensor (crankshaft
position sensor) connector (looseness or poor contact).
2. Check the installation of the engine speed main sensor. (Crank-
shaft position sensor)
SHTS021270300269
YES
Measurement
conditions
Standard values:
3.2-3.4 MPa {33-35 kgf/cm
Limit: 2.3 MPa {24 kgf/cm
Engine overhaul.
Go to step 13.
Standard values
2
}
2
}
NO
NO