2012 Jeep Wrangler JK Factory Service Manual 09 - Engine, 2.8L Diesel

SPROCKET(S), Timing Belt and Chain

CRANKSHAFT SPROCKET

CRANKSHAFT SPROCKET


  1. Disconnect the negative battery cable.

    2.  
  2. Remove the timing belt (Refer to 09 - Engine/Valve Timing/BELT, Timing - Removal) .

    NOTE:

    The crankshaft sprocket bolt is a left handed thread.


    3.  
  3. Remove bolt (1), and the crankshaft sprocket (2).

    4.  

CAMSHAFT SPROCKET

CAMSHAFT SPROCKET

Special Tools: Click to display a list of tools used in this procedure

  1. Disconnect the negative battery cable.

    2.  
  2. Remove timing belt (Refer to 09 - Engine/Valve Timing/BELT, Timing - Removal) .

    3.  
  3. Using Locking Tool VM.1055 (1) to hold the intake camshaft sprocket, remove the bolt.

    4.  
  4. Remove the camshaft sprocket (2).

    5.  

CRANKSHAFT SPROCKET

CRANKSHAFT SPROCKET




NOTE:

The crankshaft sprocket bolt is a left handed thread.

  1. Install the crankshaft sprocket (2). Tighten bolt to 100 N·m (74 ft. lbs.) plus an additional 120 degrees.

    2.  
  2. Install the timing belt (Refer to 09 - Engine/Valve Timing/BELT, Timing - Installation) .

    3.  
  3. Connect the negative battery cable.

    4.  

CAMSHAFT SPROCKET

CAMSHAFT SPROCKET

Special Tools: Click to display a list of tools used in this procedure

  1. Install the camshaft sprocket (2) and tighten bolt finger tight.

    2.  
  2. Using Locking Tool VM.1055 to hold the camshaft sprocket, tighten the camshaft sprocket (2) bolt to 64 N·m (47 ft. lbs.).

    3.  
  3. Install the timing belt (Refer to 09 - Engine/Valve Timing/SPROCKET(S) , Timing Belt and Chain - Installation).

    4.  
  4. Connect the negative battery cable.

    5.