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1. Use the J 8062 in order to compress the valve springs. See Special Tools. spring compressor and when removing or installing the CAUTION: Refer to SAFETY GLASSES CAUTION .
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 541: Identifying Valve Components 2. Remove the valve stem keys (1). 3. Remove the J 8062 from the cylinder head. See Special Tools. 4. Remove the valve spring cap (2). 5. Remove the valve spring (3). 6. Remove the valve stem oil seal (4). 7. Discard the valve stem oil seal. 8. Remove the valve. CYLINDER HEAD CLEANING AND INSPECTION Tools Required J 8001 Dial Indicator Set J 8089 Carbon Removing Brush J 9666 Valve Spring Tester. See Special Tools. Cleaning and Inspection IMPORTANT: Mark, sort, and organize the components so that the components can be reinstalled in their original location and
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Fig. 542: Identifying Valve Components 1. Clean the valve stems and cylinder heads on a buffing wheel. 2. Clean the following components in cleaning solvent: CAUTION: Refer to SAFETY GLASSES CAUTION .
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
Valve stem keys (1) Valve spring cap (2) Valve spring (3) Cylinder head 3. Dry the components with compressed air. Fig. 543: Removing Carbon From Combustion Chambers 4. Use the J 8089 to clean the carbon from the cylinder head combustion chambers.
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
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