REMOVAL & INSTALLATION
See Figure 1
The 4-cylinder engine uses a gear driven camshaft. To remove the timing gear, refer to the camshaft removal information. The camshaft must be removed from the engine so that the timing gear may be pressed from the shaft.
V6 and V8 Engines
See Figures 2, 3 and 4
- Remove the timing gear cover.
With the timing gear cover removed, rotate the engine as follows:
- Place the #1 piston at T.D.C with the marks on the camshaft sprocket at 6 O'clock and the crankshaft sprocket at 12 0:clock.
- Make sure the #1 cylinder is on the compression stroke with both valves closed.
- Remove the bolts holding the camshaft sprocket to the camshaft. Pull the camshaft sprocket forward. Remove the thrust button and spring on the 3.8L engine.
- If the camshaft sprocket will not move, give the sprocket a light blow with a plastic mallet, on the lower edge. Remove the sprocket and timing chain.
- Remove the crankshaft gear using a gear puller. Make sure the keyway does not fall into the oil pan.
- Install the crankshaft gear about 1 / 2 inch from the crankshaft stop.
- Position the chain onto the cam gear, then slide the chain and cam gear onto the crank gear and camshaft, keeping the timing marks aligned at all times.
- Install the camshaft gear retaining bolts and tighten. Install the thrust button and spring for the 3.8L engine.
- Turn the crankshaft over two revolutions with the crankshaft bolt to check to see if the timing marks are perfectly aligned. If not, remove the cam gear and realign.