Cylinder Block Assembly: Service and Repair
Cylinder Block and Attaching Components
• Secure the engine to the engine and transmission holder (VAS 6095) when working it.
• If large quantities of metal particles or abraded material are detected during engine repairs, it may mean the crankshaft or rod bearings are damaged. To prevent further damage, perform the following steps after the repair:
• Carefully clean the oil passages.
• Replace the oil injection jets.
• Replace the engine oil cooler.
• Replace the oil filter.
1 Bolt
• 60 Nm + an additional 180° (1/2) turn.
• Quantity: 7
2 Vibration Damper
• Loosening and tightening the bolts, refer to => [ Loosening and Tightening the Vibration Damper Bolts ].
• Removing and installing the ribbed belt. Refer to => [ Ribbed Belt ] Service and Repair.
3 Guide Tube
• For the oil dipstick.
• Secured by a bolt to the intake manifold.
4 Cylinder Block
• Sealing flanges and drive plate overview. Refer to => [ Sealing Flanges and Drive Plate Overview ] Sealing Flanges and Drive Plate Overview.
• Crankshaft overview. Refer to => [ Crankshaft Overview ] Service and Repair.
• Piston and connecting rod overview. Refer to => [ Pistons and Connecting Rod Overview ] Pistons and Connecting Rod Overview.
5 Seal
• Always replace.
• Lubricate before installing.
6 Oil Pump
• Removing and installing, refer to => [ Oil Pump ] Oil Pump.
7 Sprocket
• Installing the camshaft adjuster and the camshaft timing chain. Refer to => [ Camshaft Adjuster ] Camshaft Adjuster.
8 Bolt
• 60 Nm + an additional 90° (1/4) turn.
• Always replace.
9 Bolt
• 8 Nm
• Install using liquid locking fluid (D 000 600 A2).
10 Bolt
• 20 Nm
• The tightening specification affects the function of the knock sensor.
11 Knock Sensor 1 (G61)
• Component location: between cylinders 1 and 3 below the exhaust manifold.
12 Gasket
• Always replace.
13 Suction Pipe
• For the oil pump.
14 O-rings
• Always replace.
15 Bolt
• 8 Nm
• Install using liquid locking fluid (D 000 600 A2).
16 Oil Pipe
17 8 Nm
• Install using liquid locking fluid (D 000 600 A2).
18 Oil Drain Plug
• 30 Nm
• Always replace.
• With a permanent seal installed.
19 Oil Pan
• Removing and installing, refer to => [ Oil Pan ] Oil Pan.
20 Oil Level Thermal Sensor (G266)
21 Bolt
• 12 Nm
22 Bolt
• 10 Nm
23 Oil Filter Housing/Left Engine Mount Bracket
• Overview, refer to => [ Oil Filter Housing Overview ] Service and Repair.
• Coolant hose connection diagram. Refer to => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
• Remove the left engine mount. Refer to => [ Engine Mount ] Engine Mount.
24 Bolt
• 23 Nm
25 Accessory Bracket
• For the generator, Air Conditioning (A/C) compressor, and power steering pump.
26 Engine Speed Sensor (G28)
• Removing and installing, refer to => [ Engine Speed Sensor G28 ] Service and Repair.
27 Bolt
• 10 Nm
28 O-ring
• Always replace,
29 Bolt
• 25 Nm
30 Bolt
• 20 Nm
• The tightening specification affects the function of the knock sensor.
31 Knock Sensor 2 (G66)
• Component location: between cylinders 4 and 6.
32 Bolt
• 6 Nm
• To the intake manifold.
Loosening and Tightening the Vibration Damper Bolts
Check the rubber connection between the inner ring and the outer ring of the vibration damper for cracks and flaking. If rubber connection damage is identified, the vibration damper must be replaced.
- Secure the vibration damper using the counterhold tool (T10172) and adapter for T10172 counter hold tool (T10172/1).
- Replace the vibration damper bolts.
Tightening specification: 60 Nm + an additional 180° (1/2) turn.
• The additional torque angle may be performed in several stages.