COIL SPRING
Note. Whenever replacing a part or performing a repair near the rear coil springs, the rubber spring support with a galvanized contact surface must be replaced with a new rubber spring support. If a rubber spring support is already installed, do not replace it. . Make sure the repainted area if facing upward when installing the coil spring. It is matte and somewhat thicker in contract to the rest of the spring. There is often a sag or drop on the second coil.
Special tools and workshop equipment required
- Spring Compressor V.A.G 1752/1
- Spring Holder V.A.G 1752/3A
Removing
Scheme 38
Remove the wheel.
Install the spring compressor -1-.
| WARNING | Make sure the coil spring is seated correctly in the spring holder V.A.G 1752/3A. |
Compress coil spring until it can be removed.
Remove spring.
1 - V.A.G 1752/1
2 - V.A.G 1752/3A
Installing
Scheme 39
Installation is the reverse of removal, with special attention to the following COIL SPRING .
The spring start -arrow- must touch bottom of spring seat.
Install spring together with spring seat.
Spring seat has two pins on bottom.
These pins are inserted into holes on lower transverse link -arrows-.
Scheme 40
Then insert spring seat at top into upper spring end.
Tension spring. To do this, place upper end of spring on body tab.
Mount wheel and tighten. Refer to SPECIFICATIONS .
Axle alignment is required, see Table WHEEL ALIGNMENT .
Removing
Loosen the drive axle threaded connection.
- Refer to «DRIVE AXLE HEX BOLT CONNECTION, LOOSENING AND TIGHTENING»(ref-496074-S23992726332012082100000) .
- Refer to «DRIVE AXLE TWELVE-POINT BOLT WITH RIBS, LOOSENING AND TIGHTENING»(ref-496074-S41656088402012082100000) .
- Refer to «DRIVE AXLE TWELVE-POINT BOLT WITHOUT RIBS, LOOSENING AND TIGHTENING»(ref-496074-S09797677212012082100000) .
Remove wheel.
Remove coil spring. Refer to COIL SPRING .
Remove the bolts -2- on vehicles with a level control system sensor.
Scheme 41
Remove bolts for the tie rod -1- and the lower transverse link -3- from the wheel bearing housing -4-.
Scheme 42
Remove the bolt -2- and washer -1-.
Scheme 43
The washer -1- is installed on vehicles with an aluminum wheel bearing housing.
Loosen the drive axle on the transmission side.
Swing wheel bearing housing upward and remove drive axle from wheel bearing splines.
Remove drive axle.
Installing
Installation is the reverse of removal, with special attention to the following
Tightening specifications, refer to SUBFRAME, LOWER TRANSVERSE LINK, UPPER TRANSVERSE LINK, TIE ROD AND LEVEL CONTROL SYSTEM OVERVIEW .
Tightening specifications, refer to WHEEL BEARING HOUSING, WHEEL BEARING UNIT, TRAILING ARM WITH MOUNTING BRACKET AND STONE DEFLECTOR OVERVIEW .
Tightening specifications, refer to SHOCK ABSORBER AND COIL SPRING OVERVIEW .
Tightening specifications, refer to STABILIZER BAR OVERVIEW .
Note. Connections to wheel bearing housing may only be carried out of dimension between wheel hub center and lower edge of wheel housing, measured before assembly, is achieved. Refer to REAR SUSPENSION, LIFTING TO CURB WEIGHT POSITION .
Tightening specification, refer to 100 MM INNER CV JOINT .
Tightening specification, refer to DRIVE AXLE WITH 82 MM OUTER CV JOINT .
On vehicles with electronically-controlled damping (Audi magnetic ride), reprogram the control position using the vehicle diagnostic, testing and information system VAS 5051.
Perform headlamp basic setting. Refer to [For engine(s) CBRA, BPY, CCTA, CBFA] Diagnosis and Testing .