Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999)
Compression Check: Testing and Inspection
Compression, checking
Special tools and equipment
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3122B Spark plug wrench
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VAG 1331 Torque wrench (5 to 50 Nm)
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VAG 1763 Compression tester
Conditions
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Engine oil temperature must be at least 30° C.
Work sequence
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Disconnect ignition coil connector(s).
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Remove ignition coils.
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Remove spark plugs with spark plug 3122B.
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Have a second technician fully depress accelerator pedal.
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Check compression using compression tester VAG 1381NAG 1763.
Note: - compression tester operating instructions.
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Operate starter until tester shows no further pressure increase.