Timing Component Alignment Marks: Locations
Timing Chain Alignment Diagram
Camshaft Drive System Set at Base Engine Timing
1 - Right Exhaust Camshaft Sprocket Timing Mark - Component 187
2 - Right Intake Camshaft Sprocket Timing Mark - Component 188
3 - Right Secondary Timing Chain - Component 170
4 - Right Secondary Timing Chain Guide - Component 171
5 - Left Secondary Timing Chain Tensioner - Component 175
6 - Left Secondary Timing Chain Shoe - Component 173
7 - Left Secondary Timing Chain - Component 170
8 - Left Intake Camshaft Sprocket Timing Mark - Component 177
9 - Left Exhaust Camshaft Sprocket Timing Mark - Component 177
10 - Left Secondary Timing Chain Guide - Component 171
11 - Intermediate Sprocket Timing Mark - Component 160
12 - Primary Timing Chain Guide - Component 158
13 - Crankshaft Sprocket Pin Alignment Slot - Component 150
14 - Primary Timing Chain - Component 155
15 - Crankshaft Sprocket Timing Mark - Component 150
16 - Primary Timing Chain Tensioner - Component 152
17 - Right Secondary Timing Chain Tensioner - Component 175
18 - Right Secondary Timing Chain Shoe - Component 183
Install the left intake camshaft sprocket into the left secondary camshaft drive chain.
Install the left intake camshaft sprocket onto the camshaft. The camshaft sprocket notch marked LI (left intake) engages the intake camshaft pin.
Refer to Secondary Camshaft Intermediate Drive Chain Replacement - Left Side. Secondary Camshaft Intermediate Drive Chain Replacement - Left
Refer to Secondary Camshaft Intermediate Drive Chain Replacement - Right Side. Secondary Camshaft Intermediate Drive Chain Replacement - Right
Align the timing marks (1) of the camshaft intermediate and crankshaft sprockets. The marks should be aligned vertically in the installed position.
Use the J 39946 to align the crankshaft key (1) with the drive sprocket.
Ensure the primary timing marks (1) are aligned vertically.
Refer to Primary Camshaft Drive Chain and Sprockets Replacement. Primary Camshaft Drive Chain and Sprockets Replacement