Cylinder Block, Vibration Damper and Lubrication Components Overview
Cylinder Block, Vibration Damper and Lubrication Components Overview
• Engine is to be secured to the engine and transmission holder (VAS 6095) when performing assembly work.
• If large quantities of metal particles or abraded material are detected during engine repairs, it may be an indication of a damaged crankshaft or rod bearings. To prevent further damage, perform the following steps after the repair:
• Carefully clean oil passages
• Replace the oil check valve (if equipped)
• Replace oil injection jets
• Replace oil cooler
• Oil filter, removing and installing
Engine mount and bracket, removing and installing. Refer to --> [ Engine Mount and Bracket ] Service and Repair.
1 Oil dipstick
• Oil level must not be above the max. mark!
2 Guide tube
• For oil dipstick.
• Secured by a bolt to intake manifold.
3 6 Nm
• Fastened to intake manifold.
4 Cylinder block
• Sealing flange and drive plate, refer to --> [ Sealing Flanges and Drive Plate Assembly Overview ] Service and Repair.
• Crankshaft, refer to --> [ Crankshaft Assembly Overview ] Service and Repair.
• Piston and connecting rod, refer to --> [ Piston and Connecting Rod Assembly Overview ] Piston and Connecting Rod Assembly Overview.
5 Oil check valve
• Only installed through 11.06.
• Note installation position.
• Clean if badly contaminated.
• See note
• Removing and installing, refer to --> [ Oil Check Valve ] Service and Repair.
6 Knock Sensor (KS) 1 (G61)
• Component location: between cylinders 1 and 3.
7 20 Nm
• Tightening specifications influence the function of knock sensor.
8 8 Nm
• Replace.
9 Chain sprocket
• Camshaft adjustor with timing chain for camshaft drive, installing. Refer to --> [ Camshaft Adjuster with Camshaft Drive Timing Chain, Installing ] Camshaft Adjuster with Camshaft Drive Timing Chain, Installing.
10 60 Nm + 1/4 turn (90°)
• Only use bolts with strength category 10.9.
• Replace.
11 Oil pump
• Removing and installing, refer to --> [ Oil Pump ] Oil Pump.
12 Seal
• Replace.
• Oil before assembling.
13 O-ring
• Replace.
14 Gasket
• Replace.
15 Flange
• Note installation position.
16 Oil pressure line
17 Oil drain plug, 30 Nm
• With permanent sealing ring.
• Replace.
18 Oil pan
• Removing and installing, refer to --> [ Oil Pan ] Service and Repair.
19 10 Nm
20 Oil level thermal sensor (G266)
21 12 Nm
22 Suction line
• For oil pump.
23 Engine speed (RPM) sensor (G28)
24 10 Nm
25 Oil filter housing/left engine bracket
• Disassembling and assembling, refer to --> [ Oil Filter Housing Assembly Overview ] Service and Repair.
• Coolant hose connection diagram, refer to --> [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
• Engine mount and bracket removing and installing, refer to --> [ Engine Mount and Bracket ] Service and Repair.
26 23 Nm
27 25 Nm
28 Knock Sensor (KS) 2 (G66)
• Component location: between cylinders 4 and 6.
29 Bolt, 25 Nm
30 Accessory bracket
• For alternator, air conditioning compressor, and power steering pump.
31 Vibration damper
• Removing and installing ribbed belt, refer to --> [ Ribbed Belt ] Ribbed Belt.
32 100 Nm + 1/2 turn (180°)
• Loosening and tightening, refer to --> [ Loosening and Tightening the Vibration Damper Bolt ]
Loosening and Tightening the Vibration Damper Bolt
- Secure the vibration damper with the counter holder (T10069) when loosening or tightening it.
- Clean the threads in the crankshaft with a M18 x 1.5 drilling tool.
- Replace the vibration damper bolt.
- Tighten bolt using torque wrench (VAG 1601).
Tightening Specification: 100 Nm + 1/2 turn (180°).
• Turning further may be performed in several stages.