Operation CHARM: Car repair manuals for everyone.

Removing and Installing Transmission

Removing and Installing Transmission




- Disconnect the battery ground lead.
- Unscrew nut (1).
- Disconnect the throttle cable,
Installation:
- Adjust throttle cable. Adjustments




BMW 524 td:




- Remove the exhaust assembly.
- Unscrew heat shield (2).




- Support the transmission with Special Tools 24 0 120 and 00 2 020
- Remove the cross member.
- Tightening torque: Mechanical Specifications




- Unscrew propeller shaft on the transmission




Installation:
- Replace stop nuts.
- Tighten nuts with a standard 19 mm socket and torque wrench.
- Tightening torque: Mechanical Specifications
IMPORTANT!
Only tighten the nuts (never bolts) to avoid stress in the coupling




Version with Constant Velocity Joint.
- Unscrew the constant velocity joint on the transmission.
IMPORTANT!
Check the gasket between the constant velocity joint and drive flange.
- Protect the constant velocity joint against dirt.




- Loosen screw on ring (1) several turns.
Installation:
- Tighten the screw on ring with special tool 26 1 040 after finishing installation.
- Tighten torque*.




- Unscrew the center mount.
Installation:
- Preload the center mount forward by distance (A) = 4 to 6 mm (0.157 to 0.236").
- Bend the propeller shaft down and pull it off of the centering pin.
IMPORTANT!
- Suspend the propeller shaft from the car on a piece of wire.




- Drain oil.
IMPORTANT!
Never reuse drained oil.
Installation:
- The transmission will have to be disassembled, if oil has a burnt odor and is black.
IMPORTANT!
If the transmission was detective, clean the oil cooler and lines with compressed air and flush twice with ATF.
- Remove oil filler neck (1).
- Unscrew oil cooler lines on the transmission and plug open connections with caps.
Installation:
- Tightening torque: Mechanical Specifications




- Remove the reinforcement plate
- Unscrew Torx bolts with a Torx socket.
Installation:
- Tightening torque: Mechanical Specifications
IMPORTANT! - Installation
- Use washers on the version with Torx bolts to avoid an increase in the breaking loose torque.
- Tightening torque: Mechanical Specifications




- Unscrew the torque converter on the drive plate at three points.
- Turn the flywheel away for this purpose.
IMPORTANT! - Installation:
- Tightening torque: Mechanical Specifications
- Only use size M 10 x 16 mm bolts together with spring washers non-conformance could lead to destruction of the transmission.




- Unscrew the guard.
- Unscrew the bolts.
- Pull out speed sensor (1) and reference mark sensor (2).
BMW 524 td:
- Only reference mark sensor (2).
IMPORTANT! - Installation:
- Check the installed position.
- Don't mix up the plugs.
- Install speed sensor (1) in bore (D) and reference mark sensor (2) with ring (3) in bore (B).
The engine cannot be started if the plugs are mixed up.




Installation:
- Check the O-rings.
- Install the sensors with Molykote Longterm 2.
IMPORTANT!
Keep grease and dirt off of the face of DME sensors.




- Unscrew nut (2).
- Disconnect the cable on the holder.
- Pull out the cable.
Installation:
Adjust the cable. Adjustments




Only version with EH transmission:
- Turn bayonet fastener (1) to the left.
- Pull off plug (2).
- Lift the wire harness out of holders.




- Lift off the grill
- Pull the transmission off of the engine, pressing off the torque converter at the same time
IMPORTANT!
When the lifting fixture is carrying the transmission, it may only be moved in the completely lowered position.




IMPORTANT! - Installation:
Check the installed position of the torque converter - the drive ring must be located below the case edge.




Installation:
- Inspect the drive plate for breaks and cracks, replacing if necessary
BMW 533i, 535i:
- Hold the flywheel with Special Tool 11 2 160.
- Unscrew the expansion bolts.
IMPORTANT!
- Replace and install the new expansion bolts with Loctite No 270.
- Only coat the threads.
- Clean the tapped harness thoroughly.
- Tightening torque: Mechanical Specifications





BMW 528 e, 524 td.
- Hold the flywheel with special tool 11 2 170.