AUDI A4 1995 B5 / 1.G AFC Engine Cylinder Block Crankshaft And Flywheel Component Assembly Manual

- Adjust belt tension page 13
-13
.
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13-13

Toothed belt, adjusting tension


- Adjust toothed belt tension by turning tensioning
roller to right and holding using 8 mm hex socket
wrench.

- Tighten tensioning roller center bolt with another
8 mm hex socket wrench.

Center crankshaft bolt: Always replace, using new double hex head (12-
pt.) cap screw grade 9.8 - Check toothed belt tension between right camshaft sprocket and
coolant pump.
Holding toothed belt half way between camshaft sprocket and coolant
pump with thumb and index finger, it must be just possible to twist
toothed belt by 90 . Tightening torque (tensioning roller): 45 Nm (33 ft lb)Component
Tightening torque
Toothed belt sprocket to camshaft 70 (52 ft lb)
Idler roller 25 (18 ft lb)
Toothed belt tensioner 45 (33 ft lb)
Belt cog to crankshaft 25 (18 ft lb)
Center bolt
1) to crankshaft
200 (148 ft lb) + 180 2)
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1) Always replace the center bolt. 2) Two turns of 90 are permissible.
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13-14

Crankshaft oil seals, replacing


Toothed belt end (front)

- Remove toothed belt page 13
-11
.

- Remove toothed belt sprocket from
crankshaft.

Note:
Do not oil sealing lip or outer edge of seal before pressing in. - Remove oil seal using seal remover 3203.
- Clean running and sealing surfaces.

- Push oil seal over 3202/1 from retractor 3202.
- Press in oil seal flush with seal installer 3265 and center crankshaft
bolt.
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13-15

Flywheel/drive plate end (rear)

CAUTION!

Always replace the seal with the flange, if
available. Drain engine coolant before
removing flange ( Repair Group 19).
Replace only seal as described below if oil
seal with flange is not available.
- Remove clutch and flywheel, or drive plate, as
necessary.

Note:
Do not oil sealing lip or outer edge of seal before pressing in. - Pry out oil seal with extractor 10-221.
- Clean running and sealing surfaces.

- Using assembly aid supplied with new oil seal, slide seal onto
crankshaft.
Assembly aid is supplied with oil seal
- Press in oil seal as far as possible using seal installer 2003/3 and
flywheel or drive plate mounting screws.
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ge 15 of 32 C
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13-16

Flywheel pilot needle bearing, removing
and installing


- Remove bearing with puller assembly such as Kukko 21/2 and Kukko
22-1, as shown
- Install bearing with drift 3264.
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13-17

Dual mass flywheel or drive plate,
removing and installing


Flywheel

Note:
The needle roller bearing is in the flywheel and must be pressed in when
replacing the flywheel.
Tightening torque - Install crankshaft holder 3242 with crankshaft at Top Dead Center
(TDC) position.
- Mark relationship between flywheel and engine cylinder block (arrows).
- Remove flywheel.
Dual mass flywheel: 40 Nm (30 ft lb) plus 1/2-turn (180 )
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13-18

Drive plate

- Hold crankshaft in position using crankshaft
holder 3242 page 13
-11


CAUTION!
Part numbers are listed for reference only. Always check with your
Parts department for the latest information.
Note:
Short blocks are supplied without a bushing in the crankshaft. For
vehicles with automatic transmission, tap the bushing into place before
installing the drive plate. - Mark bolt hole pattern of drive plate and washers -1- and -2- relative to
crankshaft. Mark position of shim in front and shim behind drive plate.
- Install drive plate with 3.0 mm shim -1- (Part no. 054 105 301) or 4.0
mm shim -1- (Part no. 054 105 202), and spacer -2- (Part no. 035 105
303A).
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13-19


Note:
Before installing the engine, make sure that the engine-to-transmission
dowel sleeves are installed in the cylinder block flange. - Check clearance -a- between drive plate and cylinder block in three
places and calculate average value.
Dimension -a-:

Transmission 01V: 18.1-19.7 mm (0.713-0.776 in.)
- If necessary, install other shims to achieve correct clearance
dimension.

Tightening torque: 60 Nm (44 ft lb) plus 1/4-turn (90 )
Pa
ge 19 of 32 C
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13-20

Engine speed (RPM) sensor mounting
bracket, adjusting


Note:
The crankshaft must be at TDC and locked in
position with crankshaft holder 3242 page 13
-
11
.

- Remove heat shield for RPM sensor, and then
remove RPM sensor.

- Loosen bracket.

- Insert adjustment tool 3308 in place of sensor.
Adjustment tool must engage in flywheel ring gear.
- Tighten bracket securely.
- Install RPM sensor.
Pa
ge 20 of 32 C
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ponent la
yout
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