2.0L - Crankshaft, Cylinder Block - Engine Code(s): Caeb (Cabriolet): Overview Audi S5 I facelift

CRANKSHAFT OVERVIEW

Note. Secure engine to assembly stand using engine and transmission holder VAS 6095 when performing repair work. Refer to ENGINE, SECURING ON ASSEMBLY STAND .

Scheme 353

1. Cylinder Block
2. Bearing Shell for Cylinder Block With lubricating groove Lubricate Do not interchange used bearing shells (mark) Crankshaft bearing shells identification (classification), refer to «CRANKSHAFT BEARING SHELL ALLOCATION»(ref-522349-S32322768862013011400000)
3. Crankshaft after removal, lay aside so that sensor wheel is not rested on and becomes damaged, refer to item 8: 8 If the crankshaft is being replaced, then the bearing shells must be allocated to the bearing cover. Refer to «CRANKSHAFT BEARING SHELL ALLOCATION»(ref-522349-S32322768862013011400000) Axial clearance, refer to «CRANKSHAFT, MEASURING AXIAL CLEARANCE»(ref-522349-S35769250252013011400000) Radial clearance, refer to «CRANKSHAFT, MEASURING RADIAL CLEARANCE»(ref-522349-S00618302522013011400000) Do not turn crankshaft when measuring radial play Crankshaft dimensions, refer to «CRANKSHAFT DIMENSIONS»(ref-522349-S24598623742013011400000)
4. Bearing Shell for Bearing Cap Without lubricating groove Lubricate Do not interchange used bearing shells (mark) Crankshaft bearing shells identification (classification), refer to «CRANKSHAFT BEARING SHELL ALLOCATION»(ref-522349-S32322768862013011400000)
5. Bolt Replace Tightening sequence (Scheme 354)
6. Bearing Cap Bearing cap 1: Belt pulley side Retaining tabs of bearing shells and cylinder block/bearing caps must lie above one another
7. Bolt 10 Nm + 90° turn Replace Replace sensor wheel every time bolts are loosened, refer to «SENSOR WHEEL»(ref-522349-S17659045132013011400000)
8. Sensor Wheel For Engine Speed (RPM) sensor -G28- Only possible to install in one position - Bores are offset Replace sensor wheel every time bolts are loosened Removing and installing, refer to «SENSOR WHEEL»(ref-522349-S17659045132013011400000)
9. Thrust Washers Lubricate For bearing 3
10. Bolt Replace Tightening sequence (Scheme 354)

Scheme 354

Tighten the crankshaft bolts in the sequence -1 to 5-.

Tighten the bolts -1 through 10- and -arrows A- hand-tight.

Tighten the bolts -1 through 10- to 65 Nm.

Tighten the bolts -1 through 10- 90° further using a rigid wrench.

Tighten the bolts -arrows A- to 20 Nm.

Tighten the bolts -arrows A- 90° further using a rigid wrench.

Scheme 355

1. Connecting Rod Bolts 45 Nm + 90° turn Replace Lubricate the thread and contact surface. Use old bolt to measure radial play Tighten to 30 Nm to measure radial play, do not turn further.
2. Connecting Rod Bearing Cap Pay attention to the installed position. Due to the separation procedure (cracking) of the connecting rod, the connecting rod bearing cap only fits in one position and only to the corresponding connecting rod. Mark affiliation to cylinder -A- Installed position: Markings -B- point to belt pulley side Separate new connecting rod, refer to «NEW CONNECTING ROD, SEPARATING»(ref-522349-S10150234792013011400000)
3. Bearing Shells Installed position (Scheme 356)Do not interchange used bearing shells (mark) Axial play new: 0.10 to 0.35 mm, wear limit: 0.40 mm Measure radial clearance with Plastigage®: New: 0.02 to 0.06 mm wear limit: 0.09 mm. Do not turn crankshaft when checking radial clearance
4. Pressure Relief Valve 27 Nm
5. Oil Spray Jet For piston cooling Do not bend the oil injector jet Replace the oil spry nozzles if they are bent
6. Locking Ring Replace
7. Piston Pin
8. Piston Removing and installing, refer to «PISTONS»(ref-522349-S20623323122013011400000) Mark installed position and cylinder allocation Arrow on piston face points toward belt pulley side Piston and cylinder bore, checking, refer to «PISTONS AND CYLINDER BORE, CHECKING»(ref-522349-S00780886632013011400000)
9. Compression Rings Use piston ring pliers (commercially available) for removing and installing Offset gaps by 120° Installed position: Identification "TOP" or "R" towards piston crown Checking ring gap see scheme 23Check piston ring groove clearance. see scheme 24
10. Oil Scraping Ring 2-part Install offset gaps by 120° to the neighboring compression ring The "TOP" or "R" marking must face toward the piston crown. Checking ring gap see scheme 23Side clearance cannot be measured.
11. Connecting Rod Always replace as a set. Mark affiliation to cylinder -A- Installed position: Markings -B- point to belt pulley side Separate new connecting rod, refer to «NEW CONNECTING ROD, SEPARATING»(ref-522349-S10150234792013011400000) Radial clearance, measuring, refer to «CONNECTING ROD, MEASURING RADIAL CLEARANCE»(ref-522349-S24960517302013011400000)

Scheme 356

Place bearing shells centrally into connecting rod and connecting rod bearing cap.

Dimension -a- must be the same at left and right.