S10/T10 Blazer 4WD V6-4.3L VIN W (1997)
1. Bring the engine up to Top Dead Center (TDC) of the cylinder number 1. Ensure it is on the compression stroke.
2. Remove the distributor cap screws and the cap to expose the rotor.
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3. Align the pre-drilled indent hole in the distributor driven gear with the white alignment line on the lower portion of the shaft housing.
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4. The rotor segment should point to the cap hold down mount nearest the flat side of the housing.
