Removal Procedure
- Remove the lifters. Refer to
Valve Lifter Replacement.
- Remove the timing chain and the camshaft sprocket. Refer to
Camshaft Timing Chain, Sprocket, and Tensioner Replacement.
- Remove the balance shaft drive gear.
- Remove the camshaft retainer bolts and retainer.
Caution: All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft bearings.
- Remove the engine camshaft.
5.1. | Install the three 5/16-18 x 4.0 inch bolts into the engine camshaft front bolt holes. |
5.2. | Using the bolts as a handle, carefully rotate and pull the engine camshaft out of the camshaft bearings. |
5.3. | Remove the bolts from the front of the engine camshaft. |
Installation Procedure
Note: Whenever a new camshaft is installed, perform the following:
• | Change the engine oil and filter. |
- Apply lubricant or engine oil supplement to the following components:
• | The engine camshaft lobes |
• | The camshaft bearing journals |
- Install three 5/16-18 x 4.0 inch bolts into the engine camshaft front bolt holes.
Caution: All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft bearings.
- Using the bolts as a handle, install the engine camshaft.
- Remove the 3 bolts from the front of the engine camshaft.
- If reusing the fasteners, apply threadlocker to the threads of the camshaft retainer bolts. Refer to
Adhesives, Fluids, Lubricants, and Sealers for the correct part number.
Caution: Refer to Fastener Caution in the Preface section.
- Install the camshaft retainer and bolts and tighten to
12 N·m (106 lb in).
- Install the balance shaft drive gear. Refer to
Balance Shaft Installation, for alignment of the balance shaft drive gear and the driven gear.
- Install the timing chain and camshaft sprocket. Refer to
Camshaft Timing Chain, Sprocket, and Tensioner Replacement.
- Install the lifters. Refer to
Valve Lifter Replacement.