Voyager V6-3.3L VIN R (1999)
Camshaft: Service and Repair
REMOVAL
1. Remove engine from vehicle.
Remove intake manifold, cylinder head covers, cylinder heads, timing chain case cover, and timing chain.
2. Remove hydraulic tappets; identify so each part will be replaced in its original location.
Camshaft Thrust Plate
3. Remove camshaft thrust plate.
4. Install a long bolt into front of camshaft to facilitate removal of the camshaft; remove camshaft, being careful not to damage cam bearings with the
cam lobes.
INSTALLATION
1. Lubricate camshaft lobes and camshaft bearing journals.
2. Insert the camshaft to within 2 inches of its final position in cylinder block.
3. Install camshaft thrust plate with two screws. Tighten to 12 Nm (105 inch lbs.) torque.
4. Rotate crankshaft so the timing arrow is at the 12 o'clock position.
5. Place timing chain around camshaft sprocket and place the timing mark to the 6 o'clock position.
6. Align the dark colored links with the dot on the camshaft sprocket, place timing chain around crankshaft sprocket with the dark colored link lined
up with the dot on the sprocket and install camshaft sprocket into position.
Alignment Of Timing Marks
7. Use a straight edge to check alignment of timing marks.
8. Install the camshaft bolt. Tighten bolt to 54 Nm (40 ft. lbs.).
9. Rotate crankshaft 2 revolutions. Timing marks should line up. If timing marks do not line up, remove cam sprocket and realign.
10. Measure camshaft end play. End Play should measure 0.0127 to 0.304 mm (0.005 to 0.012 inches.) 0.310 mm (0.012 in. Maximum). If not
within limits install a new thrust plate.
NOTE: When camshaft is replaced, all of the tappets must be replaced.
11. Install hydraulic tappets. Each tappet reused must be installed in the same position from which it was removed.
12. Install timing chain, timing chain cover, cylinder heads, cylinder head covers, and intake manifold.
13. Install engine assembly.
