Sealing Flange, Transmission Side
Special tools and workshop equipment required
- Torque Wrench 1332 Insert - Open Ring Wrench - 24 mmVAG1332/11
- Seal Installer - Rear CrankshaftT10134
- Depth GaugeVAS6082
- M6 x 35 bolt (quantity 3)
- M7 x 35 (quantity 2)
Sealing Flange with Sensor Wheel, Removing
- The transmission is removed.
-- Remove the flywheel, refer to FLYWHEEL .
The installation location is shown with the engine removed.
-- Remove the intermediate plate -1- from the alignment bushing -arrows A-.
-- Guide the intermediate plate -1- upward.
-- While doing so remove the intermediate plate -1- retaining tab -arrow B- from the opening behind the sealing flange.
-- Turn the crankshaft at the toothed belt gear bolt until the crankshaft is at "Top Dead Center (TDC)" as illustrated.
-- Remove the oil pan upper section, refer to OIL PAN UPPER SECTION .
-- Remove the Engine Speed Sensor -G28-, refer to Engine Speed Sensor -G28- .
-- Remove the bolts -arrows- for the sealing flange -1-.
-- Install the three M6x35 bolts in the sealing flange -1- -arrows-.
The sealing flange -1- is pressed from the crankshaft -3- together with the sensor wheel -2-
-- Tighten the bolts alternating a maximum 1 /2 turn each in the sealing flange.
-- Remove the sealing flange -1- together with the sensor wheel -2-.
Sealing Flange with Sensor Wheel, Installing
Sealing flange -2- with PTFE-seal is equipped with a sealing lip support ring -3-. This support ring serves the same function of an assembly sleeve and must not be removed before installation.
The sealing flange -2- and sensor wheel -3- must not be separated or rotated after being removed from the replacement part packaging.
The sensor wheel -3- retains the installation position via being located on the locating pin of the Seal Installer - Rear Crankshaft T10134, refer to SEALING FLANGE, TRANSMISSION SIDE .
The sealing flange and seal are one unit and may only be replaced together with the sensor wheel.
The Seal Installer - Rear Crankshaft T10134 retains the installation position to the crankshaft via a guide pin, which is guided into the bore of the crankshaft, refer to SEALING FLANGE, TRANSMISSION SIDE .
Installing the Seal Installer - Rear Crankshaft T10134.
A -
Tension surface
B -
Nut
C -
Assembly bell
D -
Refer to Securing pin
E -
Hex socket bolt (quantity 2)
F -
Guide pin for gasoline engines (red handle)
G -
Refer to Guide pin for diesel engines (black handle)
H -
Knurled bolt (quantity 3)
I -
Inner part
Sealing Flange with Sensor Wheel on the Seal Installer - Rear Crankshaft T10134
-- Install the nut -B- just up to the tension surface -A- on the threaded spindle.
-- Mount the Seal Installer - Rear Crankshaft T10134 in a vise by the tension surface -A- on the threaded spindle -1-.
-- Push the assembly bell -C- downwards so that it touches the nut -B- arrow.
- The inner part of the assembly tool and assembly bell must be on the same level.
-- If equipped, remove the securing clip -arrow- from the new sealing flange.
Do not turn the sensor wheel or remove it from the sealing flange.
-- Place the sealing flange -1- on a clean even surface with the front side facing up.
-- Press the sealing lip support ring -2- downward in direction of -arrow- until it rests on the level surface.
- Sealing lip support ring upper edge -1- and the front edge of the sealing flange -2- must be flush -arrows-.
-- Position the sealing flange -1- with the front side on the Seal Installer - Rear CrankshaftT10134 so that the locating pin -D- sits in the hole -3- on the sensor wheel -2-.
- The sealing flange must lie flat on the assembly tool.
- There can be only two of the three knurled bolts -H- installed.
-- Remove the knurled bolts -H- from the sealing flange -1-.
-- Push the sealing flange -1- and the sealing lip support ring -2- while tightening on the surface of the Seal Installer - Rear Crankshaft T10134.
-- So that the locking pin can no longer slide out of the sensor wheel hole.
-- Make sure the sensor wheel remains fixed inside the assembly tool when installing the sealing flange.
Secure the Seal Installer - Rear Crankshaft T10134 with the Sealing Flange -1- on the Crankshaft Flange:
- The crankshaft flange must be free of oil and grease.
- The engine is at "TDC", refer to TOOTHED BELT, REMOVING FROM CAMSHAFT .
-- Install the nut -B- up to the end of the threaded spindle.
-- Press the threaded spindle on Seal Installer - Rear Crankshaft T10134 in the direction of the -arrow- until the nut -B- touches the assembly bell -C-.
-- Align the flat side of the assembly bell with the oil pan side sealing surface of the cylinder block.
-- Secure the Seal Installer - Rear Crankshaft T10134 together with the sealing flange -1- on the crankshaft flange -2-.
-- To do this insert the hex socket bolts -E- to approximately five threads on the crankshaft flange with a hex socket wrench.
-- Insert guide pin for diesel engines (black handle) -G- in the crankshaft flange.
-- Install two M6 x 35 bolts -3- into the cylinder block -2- to guide the sealing flange -1-.
Secure the Seal Installer - Rear Crankshaft T10134 with the Sealing Flange -1- on the Crankshaft Flange:
- The crankshaft flange must be free of oil and grease.
- The engine is at "TDC", refer to TOOTHED BELT, REMOVING FROM CAMSHAFT .
-- Install the nut -B- up to the end of the threaded spindle.
-- Press the threaded spindle on Seal Installer - Rear Crankshaft T10134 in the direction of the -arrow- until the nut -B- touches the assembly bell -C-.
-- Align the flat side of the assembly bell with the oil pan side sealing surface of the cylinder block.
-- Secure the Seal Installer - Rear Crankshaft T10134 together with the sealing flange -1- on the crankshaft flange -2-.
-- To do this insert the hex socket bolts -E- to approximately five threads on the crankshaft flange with a hex socket wrench.
-- Insert guide pin for diesel engines (black handle) -G- in the crankshaft flange.
-- Install two M6 x 35 bolts -3- into the cylinder block -2- to guide the sealing flange -1-.
Bolting Seal Installer - Rear Crankshaft T10134 to Crankshaft Flange
-- Slide the assembly bell -C- in direction of -arrow- by hand until the sealing lip support ring -1- touches the crankshaft flange -2-.
-- Check in the guide pin for diesel engines (black handle) -G- is seated correctly in the crankshaft hole. Thereby the sensor wheel is retained in the final installed position.
Do not insert the guide pin for gasoline engines (red handle) into the crankshaft threaded bore.
-- Tighten both hex socket head bolts on the assembly tool hand-tight.
-- Install the nut -B- as far as possible on the threaded spindle by hand until it touches the assembly bell -C-.
Installing the Sensor Wheel on the Crankshaft Flange with the Seal Installer - Rear Crankshaft T10134:
-- Tighten the Seal Installer - Rear Crankshaft T10134 nut -B- to 35 Nm.
- After tightening the nut to 35 Nm, a minimal air gap must still be present between the cylinder block -2- and the sealing flange -1-.
Check the installed position of the sensor wheel on the crankshaft.
-- Install the nut -B- up to the end of the threaded spindle.
-- Remove both bolts -2- from the cylinder block.
-- Remove guide pin for diesel engines (black handle) -G- from the crankshaft flange.
-- Remove the knurled bolts -H- from the sealing flange -1-.
-- Remove the hex socket head bolts -E- from the crankshaft flange and remove the Seal Installer - Rear Crankshaft T10134 from the crankshaft flange.
-- Remove the sealing lip support ring.
-- Attach the Depth Gauge VAS6082 to the crankshaft flange -2-.
-- Measure the distance -a- between the crankshaft flange -2- and the sensor wheel -1-.
- Specified value: Dimension -a- = 0.5 mm.
-- Install the sensor wheel again if the specified value is too small, refer to SEALING FLANGE, TRANSMISSION SIDE .
-- When the specified value is reached, assemble the rest, refer to SEALING FLANGE, TRANSMISSION SIDE .
Press on the Sensor Wheel.
-- Secure the Seal Installer - Rear Crankshaft T10134 on the crankshaft flange -2-.
-- Pay attention that the Seal Installer - Rear Crankshaft T10134 locating pin is seated in the sensor wheel hole.
-- Tighten the hex socket bolts -E- hand-tight.
-- Push the Seal Installer - Rear Crankshaft T10134 by hand to the sealing flange -1-.
-- Install the nut -B- as far as possible on the threaded spindle by hand until it touches the Seal Installer - Rear Crankshaft T10134.
-- Insert guide pin for diesel engines (black handle) -G- in the crankshaft flange.
-- Push the knurled bolts -H- in the sealing flange -1-.
-- Install two M6 x 35 bolts -2- into the cylinder block to guide the sealing flange.
-- Tighten the Seal Installer - Rear Crankshaft T10134 nut -B- to 40 Nm.
-- Check the sensor wheel installed position on the crankshaft one more time, refer to SEALING FLANGE, TRANSMISSION SIDE .
-- Tighten the nut on the Seal Installer - Rear Crankshaft T10134 to 45 Nm if the specified value is too small.
-- Check the sensor wheel installed position on the crankshaft one more time, refer to SEALING FLANGE, TRANSMISSION SIDE .
Assembling
Assembly is performed in the reverse order of disassembly, noting the following:
-- Install the oil pan upper section, refer to OIL PAN UPPER SECTION .
-- Install the intermediate plate, refer to Figure.
-- Install the flywheel, refer to FLYWHEEL .
Tightening Specifications
- Refer to OVERVIEW - CYLINDER BLOCK, TRANSMISSION SIDE
- Refer to OVERVIEW - OIL PAN/OIL PUMP
- Ribbed belt transmission side sealing flange - tightening specifications and sequence, refer to Figure
- Refer to OVERVIEW - GLOW PLUG SYSTEM
- Refer to REMOVAL AND INSTALLATION .