LEMON Manuals: Even more car manuals for everyone
Home >> Porsche >> 2016 >> 911 Turbo, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (15 - Engine - Cylinder Head, Valve Control -- CARRERA (997)) >> WM 150520 Removing And Installing Camshafts (Includes Setting Timing) (Turbo Coupe, Turbo S Coupe, Turbo CABRIO & Turbo S CABRIO >> Installing Camshafts >> Component Identification

Component Identification

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2013 Porsche 911, 2012 Porsche 911, 2011 Porsche 911, 2010 Porsche 911, and 2009 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
  1. Intake camshafts: 
    1. Engine MA 170 and MA 170S:  Intake camshaft (short) on cylinder bank 4-6, marking: 9A1.014.74 (75) E 4-6 
    2. Engine MA 170 and MA 170S:  Intake camshaft on cylinder bank 1-3, marking: 9A1.013.74 (75) E 1-3 
      Fig 1: Identifying Intake Camshafts
      G09821637Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  2. Outlet camshafts: 
    1. Engine MA 170 and MA 170S:  Outlet camshaft (short) on cylinder bank 4-6, marking: 9A1.216.73 (74) A 4-6 
    2. Engine MA 170 and MA 170S:  Outlet camshaft on cylinder bank 1-3, marking: 9A1.215.73 (74) A 1-3 
      Fig 2: Identifying Outlet Camshafts
      G09821638Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  3. Distinguishing features of outlet sprockets: 
    1. 1-3  - Sprocket for outlet camshaft on cylinder 1-3, driver for high-pressure pump: Recess 13.5 mm and 9.5 mm deep. 
    2. 4-6  - Sprocket for outlet camshaft on cylinder 4-6, driver for vacuum pump, both recesses 11.6 mm deep.
      Fig 3: Identifying Outlet Sprockets
      G09821639Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  4. Camshaft mount: 
    • Bearing saddle:  Matching number for upper and lower part for cylinder head, engraved on front (chain box side).
    • Bearing cover:  Matching number for cylinder head and allocation to intake and outlet side of cylinder (e.g. A1 for outlet cylinder 1), engraved.
scientia non olet · About LEMON Manuals