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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 1278 (Cylinder Head, VALVETRAIN [CGRA]) >> 15 Cylinder Head, VALVETRAIN >> Cylinder Head >> Compression Pressure, Checking >> Compression Pressure

Compression Pressure

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.
Engine Code New Positive Pressure Wear Limit Positive Pressure Difference Between Cylinders Positive Pressure
CGRA 11.0 to 13.0 (159.54 to 188.54 psi) 8.0 (116.03 psi) Maximum 3.0 (43.5 psi)

-- Install the spark plugs with the :3122B  and tighten them to 20 Nm.

-- Now install ignition coils with power output stage.

-- To install, insert ignition coil with power output stage into corresponding spark plug shaft so that straight connector sides fit with each other -arrows-.

Fig 1: Identifying Ignition Coil With Power Output Stage
GWWN28-0275Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

After test is completed:

-- Connect the Vehicle Diagnostic Tester.

-- Perform the vehicle system test: Refer to Vehicle Diagnostic Tester.

-- End vehicle system test in such a way that possibly existing Diagnostic Trouble Code (DTC) entries are automatically erased.

-- Generate readiness code in conjunction with a road test.

Follow all safety precautions during the road test.

-- Then perform vehicle system test anew and repair any occurring malfunctions if necessary.