Component Overview

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Fig 1: Overview Of Crankshaft

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

No.	Designation	Qty.	Removal	Installation
-1-	Bearing Cover	7		Bearing Cover 1 On The Side Of The Vibration Damper, Bearing Cover 5 With Recess For Thrust Washers, Retaining Lugs For Bearing Shells On The Same Side
-2-	Bearing Cover Screws	14		→ Initial Tightening: 30 Nm (22 ft. lb.) → Final Tightening: 90° + → Final Tightening: 90°
-3-	Bearing Shells	14	Used Bearing Shells Should Be Marked With A Felt-Tip Pen (When Not Replacing). If The Bearing Shells Are Replaced, Use Only Identical Color Markings.	Fit Used Shells At The Same Position (When Not Replacing). When Replacing Bearing Shells, Use Only Shells With The Same Color Markings. Retaining Lugs For Bearing Shells On The Same Side.
-4-	Thrust Washer	2		Replace; Only In Bearing Cover 5; Check Secure Attachment, Affix With Lubricant; Lubricating Groove Facing Outwards
-5-	Crankshaft	1	Position The Crankshaft So That The Sensor Wheel Does Not Impinge Or Become Damaged. Replace The Sensor Wheel For Speed Measurement → 134819 REMOVING AND INSTALLING CRANKSHAFT .	Subsequent Work On The Crankshaft Is Not Permitted. Replace Bearing Shells
-6-	Pickup (Sensor) Wheel	1	Redo Test If Necessary. → 134819 REMOVING AND INSTALLING CRANKSHAFT	Redo Test If Necessary. → 134819 REMOVING AND INSTALLING CRANKSHAFT
-7-	Fastening Screws	3	Replace → 134819 REMOVING AND INSTALLING CRANKSHAFT	Replace → 134819 REMOVING AND INSTALLING CRANKSHAFT
-8-	Oil Spray Jet	For Crankshaft Bearings 2 To 7	If The Oil Circuit Is Dirty, Replacement Is Essential. Opening Pressure 2 Bars. Push In And Out (By Hand) Using A Suitable Mandrel.	Push In And Out (By Hand) Using A Suitable Mandrel.