Tools Required
EN 46111 
 Crankshaft Rotation
Socket
- Ensure that the crankshaft is in the stage one timing drive assembly position
using the 
EN 46111 
. Refer to
Camshaft Timing Drive Chain Alignment Diagram
.
 
- Make sure that the camshaft sealing rings (1) are in place in the camshaft
grooves.
 
- Select the proper camshaft for the particular installation location. ID markings
are on the rear end of each camshaft. The ID markings are defined as follows:
 
| 3.1.  | The first five digits refer to the date and time of production. | 
 
Example: 3L18H.
| 3.2.  | Digits 6-9 refer to the production code. | 
 
LY7 -
High Feature V6
| 3.3.  | The last two digits refer to the camshaft position. | 
 
|        -  | RE - Right Bank Exhaust | 
 
- Apply a liberal amount of engine oil to the camshaft (1) journals and
the right cylinder head (2) camshaft carriers.
 
- Place the camshafts (1) in position in the right cylinder head (2).
 
- Position the camshaft lobes in a neutral position with the flats on the back
of the camshafts up and parallel (1) with the right cylinder head camshaft
cover rail.
 
- Observe the markings on the right cylinder head camshaft bearing caps. Each
bearing cap is marked (1) in order to identify its location. The markings have
the following meanings:
 
| •  | The raised feature must always be oriented toward the center of the cylinder
head. | 
 
| •  | The I indicates the intake camshaft. | 
 
| •  | The E indicates the exhaust camshaft. | 
 
| •  | The number 1, 3, 5 indicates the cylinder position from the front of the
cylinder block. | 
 
- Apply a liberal amount of engine oil to the camshaft bearing caps.
 
- Install the camshaft bearing thrust cap (2) in the first journal of the
right cylinder head.
 
- Install the remaining bearing caps (2) with their orientation mark toward
the center of the cylinder head.
 
- Hand start all the camshaft bearing cap to cylinder head retaining bolts (1).
 
Notice: Refer to Fastener Notice in the Preface section.
- Tighten the camshaft bearing cap to cylinder head retaining bolts in the sequence
shown.
 
Tighten
Tighten the bolts in sequence to 10 N·m
(89 lb in).
- Loosen the center intake camshaft bearing cap to cylinder head retaining
bolts (1, 2) and the center exhaust camshaft bearing cap to cylinder head retaining
bolts (3, 4).
 
- Retighten the center camshaft bearing cap to cylinder head retaining bolts (1,
2, 3, 4).
 
Tighten
Retighten the bolts to 10 N·m (89 lb in).