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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (3.0L Turbo Diesel (Service Information)) >> Valve Timing >> Standard Procedure >> Locking Engine 30 Degrees After TDC

Locking Engine 30 Degrees After TDC

WARNING: This page is about a different variant/trim than selected.
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).
    GC0146696Courtesy of CHRYSLER GROUP, LLC
  3. Remove the engine block plug (1).
    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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