Final Drive Removing And INSTALLIN G 0BF, AUDI A4, A5, A6 And A7: Installing
Install in reverse order of removal. Pay attention to the following:
Malfunctions on the rear final drive.
If the rear final drive was replaced, additional work is necessary. Refer to ADDITIONAL WORK AFTER REPLACING REAR FINAL DRIVE 0BE, 0BF .
-- Carefully raise the rear final drive using the Engine and Gearbox Jack and, with a second technician, position it on the subframe in its installed position.
-A- = rubber or hard foam mat
The rubber or hard foam mat is needed to protect the Clutch Valves -- on the rear final drive from getting damaged.
Use a Tensioning Strap T10038 to secure the rear final drive from falling.
-- Install the right drive axle into the final drive flange shaft.
-- A second technician must now push the rear final drive in direction of -arrow- toward the right side of the vehicle.
-- Install the left drive axle -1- into the final drive flange shaft -2-.
-- Install the bolts -2- that connect the rear final drive to the subframe hand-tight.
For better illustration the Engine and Gearbox Jack VAS6931 with the Universal Transmission Support VAG359/2 are not shown.
-- Tighten the bolt -4- to the tightening specification, refer to -item 3- and then the bolts -2- to the tightening specification, refer to -item 2- Bolt (See Figure).
-- Remove the Engine and Gearbox Jack VAS6931 from under the final drive.
-- Install the left -1- and right -3- drive axles. Refer to DRIVE AXLE, REMOVING AND INSTALLING .
Attach the subframe -1- to the body in the rear as follows:
-- First turn the Control Arm Bearing Installer - Nut 3346/3 clockwise until the subframe touches the body. While doing this, counterhold the Bearing Installer - Control Arm 3346.
-- Then install the left rear bolt that connects the subframe to the body and tighten it to the tightening specification. Refer to OVERVIEW - SUBFRAME .
-- The remove the Bearing Installer - Control Arm 3346 and the right rear bolt for the subframe on the body and tighten to the tightening specification. Refer to OVERVIEW - SUBFRAME ..
-- Attach the left drive axle heat shield -A- to the rear final drive -arrows-. Refer to -item 5- Bolt (See Figure).
-- Install the wiring harness -3- to the final drive and subframe -items 5 through 7-.
-- Connect the connectors -4 and 2- Pay attention to the marks made during the removal, that identify the allocation to the Oil Pressure/Temperature Sensor -- and which connectors go to the Clutch Valves --.
Risk of damaging the wiring harness.
- Make sure the wiring harness -3- does not get pinched when installing the bracket -1- to the rear final drive.
-- Position the bracket -1- on the final drive and tighten the bolts -arrows- to the tightening specification. Refer to ADDITIONAL WORK AFTER REPLACING REAR FINAL DRIVE 0BE, 0BF - "Tightening Specification".
Allocation for the Oil Pressure/Temperature Sensor -- and Clutch Valves -- connectors:
-1- = Oil Pressure/Temperature Sensor 2 -G640- Connector
-2- = Oil Pressure/Temperature Sensor -G437- Connector
-3- = All Wheel Drive Clutch Valve 2 -N446- Connector
-4- = All Wheel Drive Clutch Valve -N445- Connector
-- Install the driveshaft. Align the markings and follow the tightening sequence. Refer to INSTALLING .
-- Check the gear oil in rear final drive. Refer to GEAR OIL, CHECKING LEVEL, 0BE, 0BF .
-- Check the ATF inside the rear final drive. Refer to ATF LEVEL, CHECKING, 0BE, 0BF .
-- Install the rear section of the exhaust system and align it so it is free of tension. Refer to EXHAUST PIPES/MUFFLERS for engine code CALA, EXHAUST PIPES/MUFFLERS for engine codes CAED, CAEB, CPMB, CPMA, or EXHAUST PIPES/MUFFLERS for engines CCBA, CGXC, CTUB .
-- If equipped, install the rear cross member. Refer to OVERVIEW - TUNNEL BRACE .
-- Install the rear wheels and tighten. Refer to 44 WHEELS, TIRES, WHEEL ALIGNMENT for tightening specifications .
- If the rear final drive was replaced, additional work is necessary. Refer to ADDITIONAL WORK AFTER REPLACING REAR FINAL DRIVE 0BE, 0BF .