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Home >> Porsche >> 2016 >> Cayman GTS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (15 - Engine - Cylinder Head, Valve Control) >> WM 153319 Removing And Installing Timing-Case Cover On 4.8-Litre DFI Engines (Except CAYEENE Tip, Cayenne Man, Cayenne S Tip, Cayenne Diesel) >> Installing Timing-Case Cover >> Aligning Timing-Case Cover With A Dial Gauge

Aligning Timing-Case Cover With A Dial Gauge

WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Information 

The timing-case cover must not project over the crankcase. The maximum offset is → Length: 0.1 mm  .

  1. Insert the dial gauge into the universal dial gauge bracket and position it so that the dial gauge has a preload of about 1 mm.
    Fig 1: Adjusting Preload Gauge
    G09409307Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  2. Set dial gauge scale to 0. To do this, place the dial gauge bracket on a completely flat surface (e.g. crankcase flange) and turn the dial gauge scale until the pointer is at 0.
    Fig 2: Resetting Dial Gauge Scale
    G09409308Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  3. Measure offset. To do this, push with the bracket starting from the lower part of the crankcase towards the timing-case cover (the base of the dial gauge bracket is not located on the same component as the dial gauge probe) and measure the offset. Measuring the setback distance. The timing-case cover must not be set back by more than 0.1 mm. Even the slightest projection must be corrected.
    Fig 3: Measuring Setback Distance
    G09409309Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  4. Align the timing-case covers by tapping lightly with a rubber hammer.
    Fig 4: Aligning Timing-Case Cover
    G09409310Courtesy of PORSCHE CARS NORTH AMERICA, INC.
  5. Once you have aligned the timing-case cover, tighten two fastening screws on the left and right of the timing-case cover base hand-tight. Then check the position of the timing-case cover again using the dial gauge.
    Fig 5: Checking Timing-Case Cover Position
    G09409311Courtesy of PORSCHE CARS NORTH AMERICA, INC.