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Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine - 911 CARRERA (996)) >> Checking camshafts (timing) - Engine installed >> Checking camshafts >> Preliminary work

Preliminary work

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  1. Disconnect battery.
  2. Remove air cleaner assembly:

    2.1 Undo collar screw M6 x 34.

    Fig 1: Identifying Air Cleaner Assembly Collar Screw M6 X 34
    G03100084Courtesy of PORSCHE OF NORTH AMERICA, INC.

    2.2 Detach oil filler neck. Undo hose clamp on throttle body and pull plug off the hot film mass air flow meter. Unclip wire on air cleaner housing and remove air cleaner assembly.

    Fig 2: Removing Hose Clamp On Throttle Body And Pull Plug Off Hot Film Mass Air Flow Meter
    G03100085Courtesy of PORSCHE OF NORTH AMERICA, INC.
  3. Remove right rear wheel.
  4. Pull off caps of camshaft bores (6 ea.) using the shop-made tool. Refer to REMOVING AND INSTALLING CLOSURE CAP FOR CAMSHAFT BORE .
    Fig 3: Identifying Shop-Made Extraction Tool
    G03100086Courtesy of PORSCHE OF NORTH AMERICA, INC.
    Fig 4: Pulling Off Closure Cap On Cylinder Head 1 - 3 (Flywheel Side)
    G03100087Courtesy of PORSCHE OF NORTH AMERICA, INC.
  5. Undo ground strap between engine and body. Undo the strap at the engine (cylinder head, near cylinder 6).
    Fig 5: Identifying Ground Strap Between Engine And Body
    G03100088Courtesy of PORSCHE OF NORTH AMERICA, INC.