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DI01-16
COMPRESSION PRESSURE TEST
The compression pressure test is to check the conditions of internal components (piston, piston ring, intake and
exhaust vale, cylinder head gasket). This test provides current engine operating status.
Notice
• Before cranking the engine, make sure that the test wiring, tools and persons are keeping away from moving
components of engine (e.g., belt and cooling fan).
• Park the vehicle on the level ground and apply the parking brake.
• Do not allow anybody to be in front of the vehicle.
Specifications
Compression ratio
Test temperature
Compression pressure
Permissible pressure difference between individual cylinders
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
Normal value
Minimum value
18 : 1
at normal operating temperature (80°C)
32 bar
18 bar
Max. 3 bar
Y220_01005
ENGINE ASSEMBLY
DI ENG SM - 2004.4
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