Silverado 1500 2WD V6-4.3L (2007)
Important: Whenever a new camshaft is installed, perform the following:
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Change the engine oil and filter.
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Add engine oil supplement to the engine oil. Refer to Sealers, Adhesives, and Lubricants for the correct part number.
Apply lubricant or engine oil supplement to the following components:
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The engine camshaft lobes
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The camshaft bearing journals
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The camshaft bearings
Refer to Sealers, Adhesives, and Lubricants for the correct part number.
2. Install three 5/16-18 x 4.0 inch bolts into the engine camshaft front bolt holes.
Notice: 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.
3. Using the bolts as a handle, install the engine camshaft.
4. Remove the 3 bolts from the front of the engine camshaft.
5. If reusing the fasteners, apply threadlocker to the threads of the camshaft retainer bolts. Refer to Sealers, Adhesives, and Lubricants for the correct
part number.
Notice: Refer to Fastener Notice.
6. Install the camshaft retainer and bolts.
Tighten the bolts to 12 N.m (106 lb in).
7. Install the balance shaft drive gear.
8. Install the timing chain and camshaft sprocket.
9. Install the lifters.
10. Install the A/C condenser.
11. Install the radiator.
