Timing Chain and Sprockets Installation

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

Use a wrench in order to align the camshaft timing marks.
Be sure to place the wrench on the hexagonal portion of the camshafts.

Fig 1: Aligning Camshaft Timing Marks
Courtesy of GENERAL MOTORS CORP.
Turn the camshafts in order to align the timing marks.

Fig 2: Aligning Timing Marks On Camshaft
Courtesy of GENERAL MOTORS CORP.
Turn the crankshaft until the crankshaft keyway (1) faces upward.

Fig 3: Turning Crankshaft Until Crankshaft Keyway Faces Upward
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE .
Install the timing chain shoe. Secure the timing chain shoe using two bolts (1, 2).
Tighten

Tighten the timing chain shoe bolts to 21 N.m (15 lb ft).

Fig 4: Installing Timing Chain Shoe
Courtesy of GENERAL MOTORS CORP.
Install the following components together:
- The timing chain (2)
  Install the timing chain on the crankshaft timing sprocket with the yellow color link aligned with the mark on the crankshaft timing sprocket.
- The crankshaft timing sprocket
  
  Fig 5: Installing Timing Chain
  Courtesy of GENERAL MOTORS CORP.
Install the timing chain (1) onto the camshafts timing sprockets (3).
Ensure that the timing chain links (yellow timing chain links) are aligned with the timing marks.

Fig 6: Installing Timing Chain Onto Camshafts Timing Sprockets
Courtesy of GENERAL MOTORS CORP.
Install the timing chain dampener. Secure the timing chain dampener using one bolt (1).
Tighten

Tighten the timing chain dampener bolt to 21 N.m (15 lb ft).

Fig 7: Installing Timing Chain Dampener
Courtesy of GENERAL MOTORS CORP.