Remove the engine block coolant drain plug.Remove the oil flow check valve.Remove the rear oil passage plugs-(3).Remove the 3 oil passage plugs on each side of theblock-(2).Remove the 2 water passage plugs on the top of theblock-(1).Remove the 2 front oil passage plugs.
Remove the knock sensor-(1) and bolt.
Remove the oil pressure switch-(2).Remove the crankshaft position (CKP) sensor-(1)and bolt.
If equipped, loosen the piston oil nozzleassembly-(1) bolt and remove the piston oil nozzleassembly.
Hydraulic Brake System Bleeding (Pressure) Hydraulic Brakes
Warning:Refer toBrake Fluid Irritant Warning.Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution.Caution:Only use products that comply with GM specifications andcheck manufacturer information respectively. We recommend the useof GM genuine products. Instructions must be fo ...