Replacing front crankshaft seal
WARNING: This page is about a different car, the 2022 BMW X7, 2021 BMW X7, 2020 BMW X7, and 2019 BMW X7. However, it is still accessible from the selected car via links, so may be relevant.
Preliminary work
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE TOP RIGHT AND LEFT COVER IN THE ENGINE COMPARTMENT .
- Refer to REMOVING UPPER CROSS CONNECTION .
- Refer to REMOVING THE TENSION STRUT AT THE SHOCK TOWER ON THE LEFT AND RIGHT .
- Refer to REMOVING THE REAR TOP CROSS CONNECTION .
- Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
- Refer to REMOVING THE STIFFENING PLATE .
- Refer to REMOVING FAN COWL .
- Refer to REMOVING THE INTAKE FILTER HOUSING (TENSION STRUT ON SHOCK TOWER REMOVED) .
- Refer to REMOVING CLEAN AIR PIPE AND RESONATOR .
- Refer to REMOVING CHARGE AIR LINE .
- Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR .
- Refer to REMOVING THE ACOUSTIC COVER OF THE OIL SUMP .
- Refer to REMOVING STARTER MOTOR .
- Refer to REMOVING THE VIBRATION DAMPER .
Removing the front crankshaft seal
- Drive in the crankshaft seal (1) in the marked area with a punch to approx. 1 cm deep.
- Lever out the crankshaft sealing ring (1) with the special tool 2 298 505 .
- Make sure that the sealing surface on the crankcase is not
scratched.
Installing the front crankshaft seal
- Prepare special tool 0 496 130 (11 8 803)
.
- Clean the special tool 0 496 128 (11 8 801) from the set of special tools 0 496 127 (11 8 800) and coat it with motor oil.
- Secure special tool 0 496 128 (11 8 801) to the crankshaft using special tool 0 496 129 (11 8 802) from the set of special tools 0 496 127 (11 8 800) .
NOTE: RISK OF DAMAGE
Radial shaft seal damage .
Taping the sealing lip (inner) and applying oil to the radial shaft seal will lead to its destruction .- Do not tap the sealing lip (inner) of the radial shaft seal.
- Do not apply oil to the radial shaft seal.
- Install the radial shaft seal dry.
- Carefully slide the crankshaft sealing ring (1) straight in a rotational movement onto the special tool 0 496 128 (11 8 801) from the set of special tools 0 496 127 (11 8 800) until the crankshaft sealing ring (1) is positioned flush against the crankcase.
- Mount the special tool 0 496 130 (11 8 803)
on special tool 0 496 128 (11 8 801)
of the set of special tools 0 496 127 (11 8 800)
in arrow direction.
- Screw in the special tool (sleeve) 0 496 130 (11 8 803)
using the special tool 0 496 131 (11 8 804)
from the set of special tools 0 496 127 (11 8 800)
and a suitable tool until the sleeve is positioned flush against the crankcase (1).
- Release the special tool 0 496 131 (11 8 804)
and remove
.
- Feed out and remove the special tool 0 496 130 (11 8 803)
on the special tool 0 496 128 (11 8 801)
of the set of special tools 0 496 127 (11 8 800)
in arrow direction
.
- Release the special tool 0 496 129 (11 8 802) .
- Feed out and remove the special tool 0 496 128 (11 8 801) 0 496 129 (11 8 802 ) on the
crankshaft.
- Check the crankshaft sealing ring (1) for correct installation on the crankcase (2).
- Prepare special tool 0 496 130 (11 8 803)
.
Follow-up work
- Refer to INSTALLING THE VIBRATION DAMPER .
- Refer to INSTALLING STARTER MOTOR .
- Refer to INSTALLING THE ACOUSTIC COVER FOR THE OIL SUMP .
- Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR .
- Refer to INSTALLING CHARGE AIR LINE .
- Refer to INSTALLING THE CLEAN AIR PIPE AND THE RESONATOR .
- Refer to INSTALLING THE INTAKE FILTER HOUSING (TENSION STRUT REMOVED ON SHOCK TOWER) .
- Refer to INSTALLING FAN COWL .
- Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
- Refer to INSTALLING TENSION STRUT ON LEFT AND RIGHT SHOCK TOWER .
- Refer to INSTALLING UPPER CROSS CONNECTION .
- Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT .
- Refer to INSTALLING ACOUSTIC COVER .
- Refer to INSTALLING THE STIFFENING PLATE .
- Refer to INSTALLING FRONT UNDERBODY PROTECTION .
- Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
- Refer to CHECKING ENGINE OIL LEVEL .