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1. Install the crankshaft balancer key into the crankshaft keyway. The crankshaft balancer key should be parallel to the crankshaft or with a slight incline. Fig. 651: Installing Crankshaft Sprocket Using J 5590 2. Align the keyway of the crankshaft sprocket with the crankshaft balancer key. CAUTION: Refer to SAFETY GLASSES CAUTION .
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
3. Use the J 5590 in order to install the crankshaft sprocket. See Special Tools. Fig. 652: Camshaft Sprocket And Camshaft Timing Chain 4. Rotate the crankshaft until the crankshaft sprocket alignment mark is at the 12 o'clock position. 5. Install the camshaft sprocket and the camshaft timing chain. IMPORTANT: Install the camshaft sprocket with the alignment mark at the 6 o'clock position.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 653: View Of Sprockets & Chain 6. Look to ensure that the crankshaft sprocket is aligned at the 12 o'clock position and camshaft sprocket is aligned at the 6 o'clock position.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
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