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Home >> Audi >> 2020 >> S4 Prestige >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Cylinder Head, VALVETRAIN [CVKB, DBPA, CWNA, CVLA, DEMA, DHDA, DKUA] >> 15 Cylinder Head, VALVETRAIN >> VALVETRAIN >> Valve Stem Seals, Removing And Installing >> Valve Stem Seals, Removing And Installing, Cylinder Head Installed >> Assembling

Valve Stem Seals, Removing And Installing, Cylinder Head Installed: Assembling

Assemble in the reverse order of removal. Note the following: 

-- Install the camshafts. Refer to CAMSHAFT, REMOVING AND INSTALLING .

-- Install the spark plugs. Refer to OVERVIEW - IGNITION SYSTEM .

CAUTION:

Risk of damaging the valves and piston crowns after working on valvetrain.

  • The motor must not be started for about 30 minutes after installing camshafts because the hydraulic lifters must seat themselves.
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