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Home >> Chevrolet >> 2009 >> TrailBlazer 2WD L6-4.2L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Service and Repair >> Overhaul >> Repair Instructions >> 22. Oil Pump Removal

22. Oil Pump Removal




Oil Pump Removal




1. Remove the oil pump cover bolts.
2. Remove the oil pump cover.
3. Mark the inner and outer gears in relation to the oil pump housing.
4. Remove the inner and outer oil pump gears.
5. Remove the oil pump pressure relief valve plug.
6. Remove the oil pump pressure relief valve and spring.