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care may cause personal injury.
NOTE: Do not compress the valve springs
less than 24.0 mm (0.943 in). Contact between
the valve spring retainer and the valve stem oil
seal can cause potential valve stem oil seal
damage.
8. Tighten the EN 46110 valve spring compressor nut (2). See Special Tools .
9. Using the EN 46117 , remove the valve keepers. See Special Tools .
10. Loosen the EN 46110 valve spring compressor nut. See Special Tools .
11. Remove the valve spring retainer.
Fig 3: View Of Valve Spring Keepers
Courtesy of GENERAL MOTORS CORP.