Withdrawal
The lower rear frame is removed along with the main reverse gear, steering knuckle and rear suspension arms.
Using the blade of a screwdriver as a lever, remove the cap from the center of the wheel rim.
With the vehicle on wheels, loosen the shoulder bolts securing the drive shafts to the rear wheel hubs.
Raise the rear of the car and secure it on stands. Remove rear wheels.
Remove the rear pipe section of the exhaust system.
Remove the rear muffler heat shield.
Pic. 12–18. Using a special tool VAG 1752/1 to compress the rear suspension springs
Using a special tool VAG 1752/1 for compressing the springs, compress the rear suspension springs one by one and remove them (see fig. 12–18). The coils of the spring must be securely grasped by the device, the spring must be compressed from opposite sides.
Warning: The spring has a high compression force, so use only a very reliable tool.
Pic. 12–24. Location of ABS sensor wire clamps
Release from clips and move aside wires of gauges ABS (pic. 12–24).
Pic. 12–25. Bolt location (1) shock absorber attachment to transverse arm and shell attachment (2) cable (3) parking brake to bracket and caliper
Disconnect the parking brake cable 3 from the rear wheel caliper (pic. 12–25).
Remove the sheath 2 of the parking brake cable from the bracket by forcefully moving the cable away from the caliper.
Unscrew a bolt 1 fastenings of the shock-absorber to the cross-section lever.
Pic. 12–26. Bolt location (the second bolt is not visible) rear brake caliper mounting
Loosen the rear caliper bolts (pic. 12–26). With a soft wire, tie the caliper to the body. The caliper must not hang on the brake hose.
Pic. 12–27. Location of alignment marks and bolts for fastening the propeller shaft to the flange of the main reverse gear
Check for alignment marks on propshaft flange and final drive flange (pic. 12–27). If there are no marks, apply them.
Pic. 12–28. Using a wooden wedge (1) for pushing the cardan shaft up to the heat shield (2)
Using a wooden wedge, push the cardan shaft up to the heat shield (pic. 12–28).
Unscrew the bolts and remove the heat shield located above the cardan shaft.
Unscrew the bolts securing the propeller shaft flange to the main reverse gear flange.
Free parking brake cables from the holders and, moving them to the rear of the car, remove them from the guides.
Remove the bolt and separate the parking brake cable guide.
Install a jack with the VAG 1359/2 tool under the main reverse gear and raise the jack so that the weight of the rear lower frame with the main reverse gear is taken by the jack.
Pic. 12–29. The location of the mounting bolts of the lower rear frame.
Unscrew the bolts securing the lower rear frame (pic. 12–29), lower the jack and remove the lower frame with the main reverse gear.
Installation
Installation is carried out in the reverse order of removal, taking into account the following.
When installing the lower frame, check that the fuel tank ventilation hoses are not pinched.
Screw in and tighten the new lower frame mounting bolts to 150 Nm and then tighten them by 90°.
Install and secure parking brake cables.
Install the heat shield over the driveshaft.
In the flange of the main reverse gear, clean the threads for the crankshaft mounting bolts.
When installing the cardan shaft, to eliminate imbalance, align the marks on the flange of the cardan shaft with the marks on the flange of the main reverse gear (see fig. 12–27).
Check that the parts of the exhaust system are located freely and do not touch the body.
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