Beetle L4-1.9L DSL Turbo (ALH) (1998)
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Compression Check: Testing and Inspection
Compression pressure, checking
Special tools and equipment
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3220 Hinged socket
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VAG 1331 Torque wrench: 5 to 50 Nm (3 7 to 37 ft. lbs.)
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VAG 1381/12 Adaptor
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VAG 1763 Compression tester
Requirement
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Engine oil temperature must be 30°C minimum.
Test sequence
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Disconnect fuel cut-off valve on Diesel injection pump.
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Disconnect Quantity adjuster harness connector on Diesel injection pump.
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Remove all glow plugs using 3220 flexible wrench.
