CRANKSHAFT OVERVIEW
Note. To perform assembly work, secure the engine using the bracket for V6 FSI engine, Audi A6 VAS 6095/1-5 on the engine and transmission holder VAS 6095. Refer to ENGINE, SECURING TO ENGINE AND TRANSMISSION HOLDER .
Scheme 1
- Sealing Flange (belt pulley side) Removing and installing, refer to «SEALING FLANGE WITH CRANKSHAFT SEAL, BELT PULLEY SIDE»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__sealing-flange-with-crankshaft-seal-belt)
- Bolt Tightening specification (Scheme 15)
- Crankshaft Measuring axial play, refer to «AXIAL CLEARANCE, MEASURING»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__axial-clearance-measuring) Radial clearance, measuring, refer to «RADIAL CLEARANCE, MEASURING»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__radial-clearance-measuring) Crankshaft dimensions, refer to «CRANKSHAFT DIMENSIONS»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__crankshaft-dimensions)
- Alignment Bushing Quantity: 4 Insert into guide frame (Scheme 4)
- Gasket Replace
- Bolt For guide frame to cylinder block sealing surfaces Varying bolt lengths and bolt heads Tightening sequence (Scheme 5)
- Long Bolt, Large Shoulder For inner row of guide frame Tightening sequence (Scheme 5)
- Short Bolt, Small Shoulder For outer row of guide frame Tightening sequence (Scheme 5)
- Guide Frame With oil pressure regulation valve -N428- (Scheme 3)To remove, remove timing chain guide rail, refer to item 8: «TIMING MECHANISM DRIVE CHAIN OVERVIEW»(/audi/q5/i-2008-2012/remont/mechanical/#32l-cylinder-head-valvetrain-engine-codes-calb) Sealant application (Scheme 4)Oil pressure regulation valve, removing and installing, refer to «Oil Pressure Regulation Valve -N428»(ref-515405-S24044760942012120300000)
- Seal Replace
- Thrust Washer Only at 3rd crankshaft bearing Installed position: lubricating grooves face outward Note locating point in guide frame
- Bearing Shell For guide frame without lubricating groove Mark used bearing shells for reinstallation but not on the running surface Replace bearing shells that have worn down to the nickel layer Pay attention to the installed position Insert new bearing shells for guide frame with proper color marking (Scheme 7)
- Not Installed
- Bearing Shell For cylinder block with oil groove Mark used bearing shells for reinstallation but not on the running surface Replace bearing shells that have worn down to the nickel layer Pay attention to the installed position Insert new bearing shells for cylinder block with proper color marking (Scheme 6)
- Cylinder Block
Scheme 2
Note. Replace the O-ring.
Tighten the locking bolt -arrow- to 14 Nm.
Scheme 3
- Electrical harness connector
- O-ring - replace
- Bolt - 9 Nm
- Oil pressure regulation valve -N428
Scheme 4
Clean the sealing surfaces; they must be free of oil and grease.
Apply sealant beads -arrows- to the clean sealing surfaces on the guide frame as shown in the illustration.
- The groove of the sealing surface must be completely filled with sealant.
- The sealant beads must be 1.5 to 2.0 mm above the sealing surface.
Position seals -1 and 2-.
Check if the alignment bushings -3 through 6- are inserted at the locations in the guide frame as shown in the illustration.
Scheme 5
Replace the guide frame bolts.
Insert the long bolts in the inner row of the guide frame.
Tighten the bolts -1 through 31- in 3 stages as follows
Tighten the bolts to 50 Nm in the following sequence: -1 to 16-.
Tighten the bolts an additional 90° in the following sequence: -1 to 16-.
Tighten the bolts for the guide frame sealing surfaces on the cylinder block to 23 Nm in the following sequence: -17 to 31-.
Scheme 6
- Bearing shells with the correct thickness are allocated to the cylinder block in the factory. Colored dots on sides of bearing shells serve for identifying bearing shell thickness.
- Allocation of bearing shells to cylinder block is marked by a letter on the respective bearing on guide frame
| Letter on Guide Frame | Color of Bearing | |
|---|---|---|
| R | = | Red |
| G | = | Yellow |
| B | = | Blue |
| S | = | Black |
Scheme 7
- Bearing shells with the correct thickness are allocated to the guide frame in the factory. Colored dots on the sides of the bearing shells serve for identifying bearing shell thickness.
- Allocation of bearing shells to guide frame is marked on flywheel flange of crankshaft by a row of letters. The first letter of the row of letters represents bearing "1", the second letter is for bearing "2", etc.
| Letter on Crankshaft | Color of Bearing | |
|---|---|---|
| R | = | Red |
| G | = | Yellow |
| B | = | Blue |
| S | = | Black |
DRIVE PLATE OVERVIEW
Note. To perform assembly work, secure the engine using the bracket for V6 FSI engine, Audi A6 VAS 6095/1-5 on the engine and transmission holder VAS 6095. Refer to ENGINE, SECURING TO ENGINE AND TRANSMISSION HOLDER .
Scheme 8
- Drive Plate With the bearing flange Check the running surfaces on the bearing flange and the clutch module holes or torque converter for cracks and signs of wear. Removing and installing, refer to «DRIVE PLATE»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__drive-plate)
- Bolt 60 Nm plus an additional 90° turn Replace
- Needle Bearing Removing, refer to «NEEDLE BEARING ON DRIVE PLATE»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__needle-bearing-on-drive-plate)
- Sensor Wheel For the Engine Speed (RPM) sensor -G28
- Crankshaft
- Fitting Pin
- Crankshaft Shaft Seal, Transmission Side Removing and installing, refer to «CRANKSHAFT SEAL, TRANSMISSION SIDE»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__crankshaft-seal-transmission-side)
PISTONS AND CONNECTING ROD OVERVIEW
Note. Oil injector jet for piston cooling (Scheme 13)
Scheme 9
- Bolts 30 Nm plus an additional 90° turn Replace Lubricate the threads and contact surface
- Connecting Rod Bearing Cap Mark for installation later Mark allocation to cylinder with paint -B- (Scheme 11)When installing the bearing cap, observe: The wide thrust flange -A- must point to the same side on connecting rod and connecting rod bearing cap Installation position of connecting rod pairs (Scheme 12)
- Bearing Shell Check that the retaining tabs are secured Mark used bearing shells for reinstallation but not on the running surface Replace the bearing shells worn down to the base layer Radial clearance, measuring; refer to «CONNECTING ROD, MEASURING RADIAL CLEARANCE»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__connecting-rod-measuring-radial-clearance)
- Connecting Rod Only replace as a set Mark allocation to the cylinder with paint -B- (Scheme 11)When installing the bearing cap, observe: The wide thrust flange -A- must point to the same side on the connecting rod and connecting rod bearing cap Installation position of connecting rod pairs (Scheme 12)
- Piston Pin Heat piston to 60 °C (140 °F) if it is difficult to move. Removing and installing using a pilot drift VW 222 A
- Locking Ring Replace
- Piston Mark the installation position and cylinder allocation (Scheme 10)Arrow on piston face points toward belt pulley side Checking (Scheme 17)Install with piston ring compressor Measuring cylinder bore (Scheme 20)
- Piston Rings Offset gaps by 120° Use piston ring pliers for removing and installing Installed position: The "TOP" marking or side with writing faces the piston crown. Gap, measuring (Scheme 18)Measuring side clearance (Scheme 19)
Scheme 10
| CAUTION | The coating on the piston crown could be destroyed. Mark the allocation to the cylinder on the piston crown with paint to install used pistons. Do not mark the piston crown with a punch, notch or similar object. |
Installed position
- The arrows on the piston heads point to the belt pulley side.
Scheme 11
Note. Only replace the connecting rods as a set.
Mark the connecting rod and connector rod bearing caps to each other and to the cylinder -arrow- with paint for installation.
Scheme 12
- The molded tabs -arrows- on the beveled surfaces of the connecting rod pairs "1 and 2", "3 and 4" and "5 and 6" must face each other.
Scheme 13
- Insert the bolt with locking compound and tighten to 9 Nm.
- Oil spray jet with spray nozzle valve (opening pressure 2 to 2.4 bar (29 to 34.80 psi))
Note. Do not bend the oil spray nozzles. Replace the oil spry nozzles if they are bent.
Scheme 14
- Ribbed Belt Check for wear Before removing, mark the direction of rotation using chalk or a felt-tip pen. Removing and installing, refer to «RIBBED BELT»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__ribbed-belt) Do not kink When installing, make sure it is seated correctly on the ribbed belt pulleys
- Bolt 20 Nm plus an additional 90° turn Replace
- Generator Removing and installing, refer to «Removal and Installation»(/audi/q5/i-2008-2012/remont/charging-system/#battery-starter-generator-cruise-control)
- Bolt Tightening specification, refer to «Specifications»(/audi/q5/i-2008-2012/remont/charging-system/#battery-starter-generator-cruise-control)
- Idler Roller Cover
- Idler Roller for Ribbed Belt 40 Nm
- Bolt Tightening specification, refer to item 2: «COOLANT PUMP, COOLANT THERMOSTAT AND CONNECTING PIECE OVERVIEW»(/audi/q5/i-2008-2012/remont/cooling-fan/#32l-cooling-system-engine-codes-calb)
- Coolant Pump Ribbed Belt Pulley
- Bolt Tightening specification, refer to item 4: «COOLANT PUMP, COOLANT THERMOSTAT AND CONNECTING PIECE OVERVIEW»(/audi/q5/i-2008-2012/remont/cooling-fan/#32l-cooling-system-engine-codes-calb)
- Coolant Pump Removing and installing, refer to «COOLANT PUMP»(/audi/q5/i-2008-2012/remont/cooling-fan/#32l-cooling-system-engine-codes-calb__coolant-pump)
- Bolt Tightening specification, refer to «Specifications»(/audi/q5/i-2008-2012/remont/manual-power-steering/#steering)
- Bolt Tightening specification, refer to «Specifications»(/audi/q5/i-2008-2012/remont/manual-power-steering/#steering)
- Power Steering Pump Mount
- Slide Bushing
- Bolt Tightening specification, refer to «Specifications»(/audi/q5/i-2008-2012/remont/manual-power-steering/#steering)
- Bolt Tightening specification, refer to «Specifications»(/audi/q5/i-2008-2012/remont/manual-power-steering/#steering)
- Power Steering Pump Removing and installing, refer to «Removal and Installation»(/audi/q5/i-2008-2012/remont/manual-power-steering/#steering)
- Power Steering Pump Ribbed Belt Pulley for the Power Steering Removing and installing, refer to «Removal and Installation»(/audi/q5/i-2008-2012/remont/manual-power-steering/#steering)
- Bolt Tightening specification, refer to «Specifications»(/audi/q5/i-2008-2012/remont/manual-power-steering/#steering)
- Ribbed Belt Tensioning Damper 40 Nm Removing and installing, refer to «RIBBED BELT TENSIONER»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__ribbed-belt-tensioner)
- Air Conditioning (A/C) Compressor Bracket Be careful of the alignment bushings when installing
- Bolt 20 Nm
- A/C Compressor Do not remove or disconnect refrigerant lines Removing and installing, refer to «Removal and Installation»(/audi/q5/i-2008-2012/remont/automatic-hvac-system/#air-conditioning-as-of-052012-2-of-2) Be careful of the alignment sleeves -25- when installing
- Bolt Tightening specification, refer to «Specifications»(/audi/q5/i-2008-2012/remont/automatic-hvac-system/#air-conditioning-as-of-052012-1-of-2)
- Alignment Bushing Quantity: 2
- Tensioner Cover
- Vibration Damper with Ribbed Belt Pulley Removing and installing, refer to «VIBRATION DAMPER WITH RIBBED BELT PULLEY»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__vibration-damper-with-ribbed-belt-pulley)
Scheme 15
Tighten the bolts -arrows- in a diagonal sequence in stages to 9 Nm.
CRANKSHAFT DIMENSIONS
| Honing Dimension | Crankshaft Bearing Pin Diameter mm | Crankshaft Connecting Rod Journal Diameter mm | ||
|---|---|---|---|---|
| Basic dimension | 65.000 | 0.022 - 0.042 | 56.000 | 0.022 - 0.042 |
FASTENER TIGHTENING SPECIFICATIONS
| Component | Bolt Size | Nm |
|---|---|---|
| Connecting Rod Bearing Cap 1 | 30 + 90° | |
| Drive Plate 1 | 60 + 90° | |
| Idler Roller for Ribbed Belt | 40 | |
| Oil Spray Jet 2 | 9 | |
| Ribbed Belt Tensioning Damper | 20 | |
| Vibration Damper with Ribbed Belt Pulley 1 | 20 + 90° | |
| 1 Replace 2 Insert the bolt with locking compound | ||
Ribbed Belt Pulley Side Sealing Flange - Tightening Specifications and Sequence
Tighten the bolts -arrows- in a diagonal sequence in stages to 9 Nm.
"TDC" Marking Locking Bolt - Tightening Specification
Note. Replace the O-ring.
Tighten the locking bolt -arrow- to 14 Nm.
Oil Pressure Regulation Valve -N428
- Electrical harness connector
- O-ring - replace
- Bolt - 9 Nm
- Oil pressure regulation valve -N428
Installing Guide Frame
Replace the guide frame bolts.
Insert the long bolts in the inner row of the guide frame.
Tighten the bolts -1 through 31- in 3 stages as follows
Tighten the bolts to 50 Nm in the following sequence: -1 to 16-.
Tighten the bolts an additional 90° in the following sequence: -1 to 16-.
Tighten the bolts for the guide frame sealing surfaces on the cylinder block to 23 Nm in the following sequence: -17 to 31-.
AXIAL CLEARANCE, MEASURING
Special tools and workshop equipment required
- Dial Gauge Holder VW 387
- Dial Gauge 0-10 mm VAS 6079
Procedure
Install the VAS 6079 with the VW 387 on the cylinder block as shown in the illustration.
Scheme 16
Place the dial gauge against the crankshaft counterweight.
Press the crankshaft against the dial gauge by hand and set the gauge to "0".
Press the crankshaft off the dial gauge and read the measurement.
- Axial clearance: 0.15 to 0.25 mm.
CONNECTING ROD, MEASURING RADIAL CLEARANCE
Special tools and workshop equipment required
- Plastigage
Procedure
Remove connecting rod bearing cap.
Clean the bearing cap and journal.
Place the Plastigage over the entire width of the bearing journal or into the bearing shells.
Install connecting rod bearing cap and tighten to 30 Nm. Do not turn crankshaft.
Remove rod bearing cap.
Reinstall connecting rod cover.
Compare width of Plastigage with calibrated scale.
Radial clearance
- New: 0.010 to 0.052 mm.
- Wear limit: 0.120 mm.
Replace connecting rod bolts.
RADIAL CLEARANCE, MEASURING
Special tools and workshop equipment required
- Plastigage
Procedure
Note. Marked the used bearing for installation later, but not on the running surface. If the bearing shells are worn down to the nickel layer, they must be replaced.
Remove the guide frame and clean the bearing journals.
Place the Plastigage over the entire width of the bearing journal or into the bearing shells.
- Plastigage must rest in center of bearing shell.
Install guide frame and tighten to 30 Nm. Do not turn crankshaft.
Remove the guide frame.
Compare width of Plastigage with calibrated scale.
Radial clearance
- New: 0.015 to 0.055 mm.
- Wear limit: 0.080 mm.
Scheme 17
Measure approximately 15 mm from the lower edge at a 90° angle to the piston pin axis using a 75 to 100 mm external micrometer.
- Maximum deviation from nominal dimension: 0.04 mm.
| Piston Diameter | ||
|---|---|---|
| Basic dimension | Mm | 84.49 1) |
| 1) Measurement with coating (thickness = 0.02 mm). The coating wears off. | ||
Scheme 18
Push the piston ring squarely from above down to approximately 15 mm from the bottom end of the cylinder.
Use a piston without a piston ring for sliding in.
| Piston Ring | New mm | Wear Limit mm |
|---|---|---|
| 1st Compression ring | 0.35 to 0.50 | 0.8 |
| 2nd Compression ring | 0.60 to 0.80 | 1.0 |
| Oil scraping ring | 0.25 to 0.50 | 0.8 |
Scheme 19
Clean the piston ring groove before checking.
| Piston Ring | New mm | Wear Limit mm |
|---|---|---|
| Compression rings | 0.02 to 0.08 | 0.20 |
| Oil scraping ring | 0.02 to 0.08 | 0.15 |
Scheme 20
Special tools and workshop equipment required
- Internal Dial Gauge VAS 6078 or Inside Micrometer Set 18-100 mm US1033/S
Using a cylinder gauge VAS 6078 measure in a diagonal sequence at 3 positions transversely -A- and longitudinally -B-.
- Maximum deviation from nominal dimension: 0.08 mm.
| Cylinder Bore Diameter | ||
|---|---|---|
| Basic dimension | Mm | 84.51 |
CRANKSHAFT SEAL, TRANSMISSION SIDE
Special tools and workshop equipment required
- Assembly Tool T10122
- Pulling Hook T20143/2
- Assembly Device T10122/1
- Pull Sleeve T10122/2
- Thrust Piece T10122/3
Procedure
- Transmission removed.
Remove the drive plate. Refer to DRIVE PLATE .
Pry out the with a T20143/2.
Scheme 21
Clean running and sealing surface.
Place the T10122/1 on the T10122/2 and slide the shaft seal -A- onto the pull sleeve.
Scheme 22
Remove the assembly device.
Position the T10122/2 with shaft seal -1- on the crankshaft.
Scheme 23
Press the shaft seal in evenly all around with the T10122/3 until flush.
Scheme 24
Installing drive plate. Refer to DRIVE PLATE .
DRIVE PLATE
Special tools and workshop equipment required
- Counter Hold Tool 10 - 201
Removing
- Transmission removed.
Insert 10 - 201 to loosen the bolts.
Scheme 25
| CAUTION | The outer surface of the bearing flange at the drive plate could be damaged. Use a multipoint socket wrench with a shaft at least 40 mm long to loosen and tighten the drive plate bolts. |
Remove the bolts, drive plate and sensor wheel.
Installing
- Tightening specification, refer to «DRIVE PLATE OVERVIEW»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__drive-plate-overview) .
Install in reverse order, paying attention to the following
Note. Replace the drive plate bolts. The drive plate in the vehicles automatic transmission 0B6 must not have any needle bearings. Check if a needle bearing is inserted before installing. Remove the needle bearing in the drive plate NEEDLE BEARING ON DRIVE PLATE .
Be careful of the alignment bushings during installation.
Position 10 - 201 to tighten the bolts.
NEEDLE BEARING ON DRIVE PLATE
Special tools and workshop equipment required
- Thrust Plate VW 402
- Tube 31.5 mm Dia. VW 418 A
- Tube 28 mm Dia. 100 mm VW 421
- Sleeve 40 - 103
Procedure
- Transmission removed.
Remove the drive plate. Refer to DRIVE PLATE .
Place the 40 - 103 under the drive plate to remove and install.
Scheme 26
Press the bearing sleeve out using the VW 421 and workshop press.
- The smaller diameter of the VW 421 faces the drive plate.
Carefully press the needle bearing in as far as the stop using the VW 418 A and shop press.
Scheme 27
- Installed position: the closed side of the needle bearing faces the engine.
Installing drive plate. Refer to DRIVE PLATE .
PISTON
Special tools and workshop equipment required
- Pilot Drift VW 222 A
- Piston ring compressor, commercially available
Removing
Remove engine. Refer to ENGINE, REMOVING
For information on securing the engine on the engine stand. Refer to ENGINE, SECURING TO ENGINE AND TRANSMISSION HOLDER .
Cylinder head, removing. Refer to CYLINDER HEADS .
Remove the upper oil pan. Refer to UPPER OIL PAN .
Note. 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 installed position and cylinder allocation.
| CAUTION | The coating on the piston crown could be destroyed. Mark the allocation to the cylinder on the piston crown with paint to install used pistons. Do not mark the piston crown with a punch, notch or similar object. |
Mark installed position and cylinder allocation
| CAUTION | The coating on the piston crown could be destroyed. Mark the allocation to the cylinder on the piston crown with paint to install used pistons. Do not mark the piston crown with a punch, notch or similar object. |
Mark the connecting rod and connector rod bearing caps to each other and to the cylinder -arrow- with paint for installation.
Note. Only replace the connecting rods as a set.
Remove the connecting rod bearing cap and pull the piston and connecting rod upward.
Note. If difficult to move, heat pistons to approximately 60 °C (140 °F).
Remove the locking ring from the eye of the piston bolt and remove the piston bolt with the VW 222 A.
Installing
Installation is carried out in the reverse order while noting the following
- Tightening specification, refer to «PISTONS AND CONNECTING ROD OVERVIEW»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb__pistons-and-connecting-rod-overview) .
Note. Arrow on piston face points toward belt pulley side. Offset the piston ring gap by 120°.
Coat the contact surfaces on the bearing shells with oil.
Install the piston with a commercially available piston ring compressor. Pay attention to the installed position.
- The molded tabs -arrows- on the beveled surfaces of the connecting rod pairs "1 and 2", "3 and 4" and "5 and 6" must face each other.
Install the connecting rod bearing cap. Pay attention to the installed position.
Install cylinder heads. Refer to CYLINDER HEADS .
Install the upper oil pan. Refer to UPPER OIL PAN .
Install engine. Refer to ENGINE, INSTALLING .
RIBBED BELT
Removing
Remove the front noise insulation -1-. Refer to Removal and Installation .
Scheme 28
| CAUTION | Risk of destroying due to reversed running direction on a used ribbed belt. Before removing ribbed belt, marking running direction with chalk or felt-tip pen for reinstallation later. |
Pivot the tensioner clockwise -arrow- to release the tension on the ribbed belt.
Scheme 29
Remove ribbed belt and release tensioning device.
Installing
Install in reverse order, paying attention to the following
Route the ribbed belt over the ribbed belt pulley in the sequence specified.
Scheme 30
- Generator
- Idler roller
- Coolant pump
- Power steering pump
- A/C Compressor
- Ribbed belt tensioning damper
- Vibration damper with ribbed belt pulley
Note. When installing the ribbed belt, make sure it is seated correctly on the pulleys.
Start the engine and check the belt routing.
Install the noise insulation. Refer to Removal and Installation .
RIBBED BELT TENSIONER
Removing
Remove ribbed belt. Refer to RIBBED BELT .
Remove the cover -1- and the bolt below it.
Scheme 31
Remove the ribbed belt tensioner -2- from the cylinder block.
Installing
- Tightening specification, refer to «RIBBED BELT DRIVE OVERVIEW»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb) .
Install in reverse order, paying attention to the following
Install the ribbed belt. Refer to RIBBED BELT .
SEALING FLANGE WITH CRANKSHAFT SEAL, BELT PULLEY SIDE
Special tools and workshop equipment required
- Spanner Wrench 3212
- Assembly Device T40048
- Assembly Device T40048/1
- Pull Sleeve T40048/2
- Hand drill with plastic brush attachment
- Protective goggles
- Sealant
Procedure
Remove the front engine cover -bottom arrows-.
Scheme 32
Remove the vibration damper with the ribbed belt pulley. Refer to VIBRATION DAMPER WITH RIBBED BELT PULLEY .
Remove the bolts for the coolant pump ribbed belt pulley, using a 3212 to counter hold.
Scheme 33
Remove the bolts -arrows- and the ribbed belt side sealing flange.
Note. Replace the ribbed belt side sealing flange.
| CAUTION | Risk of contaminating lubricating system. Cover open parts of engine. |
| WARNING | Danger of eye injury. Wear protective goggles. |
Remove the sealant residue on the cylinder block and the upper section of the oil pan, for example using a rotating plastic brush.
Scheme 34
Clean the sealing surfaces; they must be free of oil and grease.
Note. Note the expiration date of the sealing compound.
Cut the tube nozzle at the front marking (nozzle diameter approximately 1.5 mm).
Scheme 35
| CAUTION | The lubrication system could be plugged with excess sealant. Do not apply sealant bead thicker than indicated. |
Apply the sealant bead -arrow- to the clean sealing surface on the ribbed belt side sealing flange as shown in the illustration.
Scheme 36
- The groove of sealing surface must be completely filled with sealant.
- The sealant bead must be 1.5 to 2.0 mm above the sealing surface.
Note. The ribbed belt side sealing flange must be installed within 5 minutes of applying the sealant.
Place the T40048/1 on the T40048/2 and slide the sealing flange -1- onto the pull sleeve.
Scheme 37
Remove the assembly device.
Then position the sealing flange with the T40048/2 installed on the crankshaft.
Scheme 38
Without tipping, push the sealing flange onto engine sealing surface and fasten. (Scheme 15)
Install in reverse order of removal paying attention to the following
Install the coolant pump ribbed belt pulley. Refer to COOLANT PUMP, COOLANT THERMOSTAT AND CONNECTING PIECE OVERVIEW .
Install the vibration damper with ribbed belt pulley. Refer to VIBRATION DAMPER WITH RIBBED BELT PULLEY .
VIBRATION DAMPER WITH RIBBED BELT PULLEY
Removing
Remove ribbed belt. Refer to RIBBED BELT .
Remove the bolts -1- and the vibration damper with the ribbed belt pulley.
Scheme 39
Installing
- Tightening specification, refer to «RIBBED BELT DRIVE OVERVIEW»(/audi/q5/i-2008-2012/remont/mechanical/#32l-crankshaft-cylinder-block-engine-codes-calb) .
Install in reverse order, paying attention to the following
Note. Replace the vibration damper bolts. Installation is only possible in one position because of the offset holes.
Install the ribbed belt. Refer to RIBBED BELT .
SPECIAL TOOLS
Special tools and workshop equipment required
Scheme 40
Scheme 41
Scheme 42
Scheme 43
Scheme 44
Scheme 45
Scheme 46
Scheme 47
Scheme 48
Scheme 49
Scheme 50
Scheme 51
- Dial Gauge Holder VW 387
- Dial Gauge 0-10 mm VAS 6079
- Spanner Wrench 3212
- Assembly Device T40048
- Counter Hold Tool 10 - 201
- Thrust Plate VW 402
- Tube 31.5 mm Dia. VW 418 A
- Tube 28 mm Dia. 100 mm VW 421
- Sleeve 40 - 103
- Assembly Tool T10122
- Pulling Hook T20143/2
- Pilot Drift VW 222 A
- Not illustrated
- Assembly Device T10122/1
- Pull Sleeve T10122/2
- Thrust Piece T10122/3
- Assembly Device T40048/1
- Pull Sleeve T40048/2
- Internal Dial Gauge VAS 6078 or Inside Micrometer Set 18-100 mm US1033/S
See also:
• ENGINE, SECURING TO ENGINE AND TRANSMISSION HOLDER
• TIMING MECHANISM DRIVE CHAIN OVERVIEW
• Removal and Installation
• COOLANT PUMP, COOLANT THERMOSTAT AND CONNECTING PIECE OVERVIEW
• COOLANT PUMP
• Specifications
• Removal and Installation
• Specifications
• ENGINE, REMOVING
• CYLINDER HEADS
• ENGINE, INSTALLING
• Removal and Installation
• SEALING FLANGE WITH CRANKSHAFT SEAL, BELT PULLEY SIDE
• AXIAL CLEARANCE, MEASURING
• RADIAL CLEARANCE, MEASURING
• CRANKSHAFT DIMENSIONS
• DRIVE PLATE
• NEEDLE BEARING ON DRIVE PLATE
• CRANKSHAFT SEAL, TRANSMISSION SIDE
• CONNECTING ROD, MEASURING RADIAL CLEARANCE
• RIBBED BELT
• RIBBED BELT TENSIONER
• VIBRATION DAMPER WITH RIBBED BELT PULLEY
• DRIVE PLATE OVERVIEW
• PISTONS AND CONNECTING ROD OVERVIEW
• RIBBED BELT DRIVE OVERVIEW