Removing Coil Spring

Information 

• If the coil spring is replaced: Always replace coil springs in pairs only. 
• Due to the settling behavior and indents, use new spring plates to replace the coil springs. 

Information 

• Do not press coil springs together onto the block. 
• Do not damage the surface of the coil springs (corrosion protection). 
• Do not use solvents to clean the coil springs. 

Information 

To remove/install the coil spring, use the > VAS 6907 - spring tensioning system  and > VAS 6274/12 - supplement set for spring tensioning system  .

Information 

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Greasing the spindle

• Before removing and installing each spring, grease the spindle -2- at the front with a light coating of the supplied grease 
• Only grease the spindle using the supplied lubricant. Other types of lubricant will damage the spindle. 

Tools: 

> VAS 6907 - Spring tensioning system  > Spring tensioning system VAS 6907 

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Spring tensioning system VAS 6907

1	Pressure plate with latch
2	Pressure plate with pivot bearing
3	Spindle
4	Piston
5	Socket wrench
6	T-bar wrench
7	Holding wrench
8	Spreader device
9	Hydraulic clamping device

> VAS 6274/12 - Supplement set for spring tensioning system  > Supplement set VAS 6274/12 

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Supplement set VAS 6274/12

1	Tool case 6274/12
2	Pressure plate with latch → 6274/12-2
3	Pressure plate with pivot bearing → 6274/12-1
4	Spring support → 6274/12- 3
5	69-mm piston → 6274/12-6
6	89-mm piston → 6274/12-7
7	Spreader device → 6274/12-4
8	Support plate for spreader device → 6274/12-5

Information 

Inserting the spreader device prevents the axle from moving upwards when tensioning the coil spring and this makes it easier to install.

• Always remove the spreader device from the vehicle after installing the coil spring. 

1. Spreader device VAS 6274/12-4 -1-  must be inserted between the upper trailing arm and body when the coil spring is installed.

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   Fitting spreader device

   1. 1.1  Adjust the upper part of the spreader device for the respective vehicle side:
      • Left side of vehicle: "R" must be visible.
      • Right side of vehicle: "L" must be visible.
   2. 1.2  Adjust the height of the spreader device at the hexagon -2-  until it is fitted securely.
2. Insert spring compressor.

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   Spring compressor

   1. 2.1  Insert pressure plate with pivot bearing VAS 6274/12-1 -1-  at the bottom of the coil spring.
   2. 2.2  Insert pressure plate with latch VAS 6274/12-2 -2-  at the top of the coil spring.
   3. 2.3  Screw both pressure plates up/down as far as required until they have at least 3 windings enclosed. Position pressure plates so that they are not touching the trailing arm.
   4. 2.4  Insert piston VAS 6274/12-7 -3-  with T-handle wrench VAS 6907/6  into the pressure plate with latch -2-  .
   5. 2.5  Press securing lever on pressure plate with latch in -Arrow direction-  to secure the piston.

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      Locking lever

   6. 2.6  Fit spindle VAS 6907/3 -4-  with socket wrench VAS 6907/5  into piston -3-  (do not tighten yet!).
   7. 2.7  Secure the twist lock holders -5-  of the two pressure plates using the supplied screws.

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      Spring compressor

3. Insert holding wrench VAS 6907/7 -1-  into bracket -2-  to counter the movement.

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   Holding wrench

   Information 

   Before tensioning the coil spring, check that the pressure plates are seated correctly.

4. Tension the coil spring and counter at the holding wrench. > Coil spring with spring compressor 

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   Coil spring with spring compressor

5. Remove coil spring by pulling it upwards -arrow A-  .

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   Coil spring

6. If the spindle projects out over the end of the coil spring, screw the spindle back slightly (do not unscrew fully - danger of injury!).
7. Insert pre-tensioned spring into the hydraulic clamping device VAS 6907/9. 

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   Hydraulic clamping device

   1. 7.1 Left coil spring: 

      Fit underside of end of spring in the spring tensioning system at marking "L".

      Right coil spring: 

      Fit underside of end of spring in the spring tensioning system at marking "R".

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      Marking (left, as an example)

   2. 7.2  Use > VAS 6179 - foot pump  to tension the coil spring in the hydraulic clamping device -9-  until the tension on the pressure plates -1.2-  is relieved.
8. Unscrew spindle using socket wrench VAS 6907/5. > Spindle 

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   Spindle

9. Unscrew screws for the twist lock holders and remove pressure plates.
10. Relieve all tension on the coil spring.