TT Quattro Coupe V6-3.2L (CBRA) (2008)
Compression Check: Testing and Inspection
Compression, Checking
Special tools, testers and auxiliary items required
‹› Spark Plug Removal Tool (3122 B)
‹› Compression Tester (V.A.G 1763)
Procedure
‹› Engine oil temperature at least 30 °C / 86 °F.
‹› Battery voltage at least 12.5 V.
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Switch off ignition.
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Remove E-box cover by slide both latches in direction of - arrow -.
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Remove Fuel Pump (FP) 2 Relay (J49) - 2.1 - and Fuel Pump (FP) Relay (J17) - 5 -.
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Remove ignition coils. See: Powertrain Management/Ignition System/Ignition Coil/Service and Repair
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Remove spark plugs with Spark Plug Removal Tool ( 3122 B).
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Check compression pressure with Compression Tester (V.A.G 1763); => Operating instructions.
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Have a second person completely depress gas pedal and operate starter long enough until tester no longer indicates increase in pressure.
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Repeat procedure on each cylinder.
Assembly is in reverse order of removal, note the following:
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Install spark plugs.
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Install ignition coils. See: Powertrain Management/Ignition System/Ignition Coil/Service and Repair
Because the relays were removed, malfunctions were saved in the engine control module.
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Connect Vehicle Diagnosis, Testing and Information System (VAS 5051B).