Engine -Crankshaft, pistons 911 Carrera (996) · Disassembling and assembling bearing housing with crankshaft

Engine -Crankshaft, pistons 911 Carrera (996) Disassembling and assembling bearing housing with crankshaft No. Procedure Instructions 1 Checking that sealing balls Check that sealing balls (6 ea.) are present and correctly are present caulked. Rework if necessary. 2 Fittingdowelsleeves Push dowel sleeves (3 ea.) into the main thrust bearings 7, 4 and 1 of the bearing-housinghalf, cyl. 4 -6, as far as the stop. 3 Fitting oil spray jets for Press oil spray jets into the receiving bore with a plastic piston cooling mandrel (4 mm). 4 Insertingcrankshaft Lay crankshaftbearing shells in the main thrust bearings. bearing shells Fit the locating stud or the locating stud of the twist lock on the dowel-sleeveside. Lightly oil sliding surfaces. 5 Inserting thrust plates Insert the thrust plates in the recess of main thrust bearing 4 of the bearing-housinghalf of cyl. 4 -6. The oil pockets must face pulley or flywheel side. 6 Checking thrust plates After inserting the crankshaft,check the two thrust plates at main thrust bearing 4 for correct seating. 7 Tighteningthrust-bearing Oil thread and contact surface. screws 1. Initial tightening 25 Nm (19 ftlb. Tightening specification To facilitate subsequentchecks it is recommendedthat, after initialtightening, the screw heads be marked with a colour line. 2. Final tightening 1 x 900 turn Observetightening sequence:see Assemblyinstructions.