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Locking Engine 30 Degrees After TDC

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Fig 1: Crankshaft At 12 O'clock Position
GC0146743Courtesy of CHRYSLER GROUP, LLC
  1. Disconnect negative battery cable.
  2. Rotate the engine until timing mark (1) on the crankshaft is at the 12 O'clock position, (this is 30° ATDC).
    Fig 2: Engine Block Plug
    GC0146696Courtesy of CHRYSLER GROUP, LLC
  3. Remove the engine block plug (1).
    Fig 3: Crankshaft Timing Tool
    GC0146589Courtesy of CHRYSLER GROUP, LLC
  4. Install the (special tool #VM.10339, Tool, Crankshaft Timing) (1) into the starter side of the engine block. If the (special tool #VM.10339, Tool, Crankshaft Timing) does not fully go into the engine block and stops short, the engine is not properly set to 30° ATDC. Rotate the engine so the Crankshaft Locking Tool (special tool #VM.10339, Tool, Crankshaft Timing) fully engages into engine block and crankshaft. Once full engaged thread tool into engine block and install the bolt. The crankshaft is now set at 30° ATDC.
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