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Single Camshaft Timing

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: to adjust the timing on one camshaft, perform the following procedure.
Fig 1: Securing Timing Chain Tensioners Using Timing Chain Wedge
GC0003905Courtesy of DAIMLERCHRYSLER CORP.
1 - LEFT CYLINDER HEAD
2 - RIGHT CYLINDER HEAD
3 - SPECIAL TOOL 8350 WEDGE
4 - SPECIAL TOOL 8350 WEDGE
  1. Using Chain Tensioner Wedge, special tool 8350 (3), stabilize the secondary chain drive. For reference purposes, mark the chain-to-sprocket position.
  2. Remove the camshaft drive gear retaining bolt.
  3. Carefully remove the camshaft drive gear from the camshaft.
  4. Re-index the camshaft drive gear in the chain until the V8 mark is at the same position as the V8 mark on the opposite camshaft drive gear.
    Fig 2: Locating Camshaft Sprocket Dowel
    GC0003909Courtesy of DAIMLERCHRYSLER CORP.
    1 - ADJUSTABLE PLIERS
    2 - CAMSHAFT DOWEL
    NOTE: When gripping the camshaft, place the pliers on the tube portion of the camshaft only. Do not grip the lobes or the sprocket areas.
  5. Using a suitable pair of adjustable pliers (1), rotate the camshaft until the alignment dowel (2) on the camshaft is aligned with the slot in the camshaft drive gear.
    Fig 3: Tightening Left Side Camshaft Sprocket Bolt
    GC0003887Courtesy of DAIMLERCHRYSLER CORP.
    1 - TORQUE WRENCH
    2 - CAMSHAFT SPROCKET
    3 - LEFT CYLINDER HEAD
    4 - SPECIAL TOOL 6958 SPANNER WITH ADAPTER PINS 8346
    Fig 4: Tightening Right Side Camshaft Sprocket Bolt
    GC0003886Courtesy of DAIMLERCHRYSLER CORP.
    1 - TORQUE WRENCH
    2 - SPECIAL TOOL 6958 WITH ADAPTER PINS 8346
    3 - LEFT CAMSHAFT SPROCKET
    4 - RIGHT CAMSHAFT SPROCKET
    CAUTION: Remove excess oil from camshaft sprocket retaining bolt before reinstalling bolt. Failure to do so may cause over-torqueing of bolt resulting in bolt failure.
  6. Position the camshaft drive gear onto the camshaft, remove oil from bolt then install the retaining bolt. Using Special Tools, Spanner Wrench 6958 with Adapter Pins 8346 and a suitable torque wrench (1), Tighten retaining bolt to 122N.m (90 ft. Lbs.).
    Fig 5: Securing Timing Chain Tensioners Using Timing Chain Wedge
    GC0003905Courtesy of DAIMLERCHRYSLER CORP.
    1 - LEFT CYLINDER HEAD
    2 - RIGHT CYLINDER HEAD
    3 - SPECIAL TOOL 8350 WEDGE
    4 - SPECIAL TOOL 8350 WEDGE
  7. Remove special tool 8350 (3,4).
    Fig 6: Positioning Secondary Chain Onto Camshaft Drive Gear
    GC0003899Courtesy of DAIMLERCHRYSLER CORP.
    1 - LEFT CYLINDER HEAD
    2 - RIGHT CYLINDER HEAD
  8. Rotate the crankshaft two full revolutions, then re-verify that the camshaft drive gear V8 marks are in fact aligned.
  9. Install the cylinder head covers (Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - INSTALLATION) .
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