GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Silhouette Ext. 🢒 Engine 🢒 Engine Mechanical - 3.4L 🢒 Camshaft Timing Chain and Sprocket Replacement

Removal Procedure
  1. Remove the engine front cover. Refer to Engine Front Cover Replacement .

    2. Object Number: 96388 Size: MH
  2. Rotate the crankshaft until the timing marks in the following locations are aligned:
    3. • The camshaft alignment pin (1).
    • The timing chain dampener (2) to the crankshaft sprocket (3).
    • The crankshaft key (4).
    • The timing chain dampener (5) to the camshaft sprocket locator hole (6).
  3. Remove the timing chain, the timing chain sprockets and the timing chain dampener. Refer to Timing Chain and Sprockets Removal .
  4. Clean and inspect the timing chain and gears. Refer to Timing Chain and Sprockets Clean and Inspect .

Installation Procedure

    Object Number: 96388 Size: MH
  1. Align the crankshaft timing mark (3) to the timing mark on the bottom of the timing chain dampener (2).
  2. Align the timing mark on the camshaft gear, center line of the locator hole (6), with the timing mark on the top of the chain dampener (5).
  3. Align the dowel in the camshaft with the dowel hole in the camshaft sprocket (1).
  4. Install the timing chain, the timing chain sprockets and the timing chain dampener. Refer to Timing Chain and Sprockets Removal .
  5. Install the engine front cover. Refer to Engine Front Cover Replacement .