Remove coil spring

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WARNING: Pyrotechnic components.
Danger! Immobilization period-threatening injuries!

All work on pyrotechnic parts may be carried out by technically experienced and appropriately trained personnel only.
Replace any damaged part or ones that have been dropped.
For additional information see: 72 00 SAFETY REGULATIONS ON HANDLING COMPONENTS WITH GAS GENERATORS .

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING REAR LEFT OR RIGHT WHEEL .
Refer to REMOVING REAR WHEEL ARCH COVER .
Refer to REMOVING BOTH C-PILLAR TRIM PANELS .
Refer to REMOVING LEFT AND RIGHT BACKREST SIDE SECTION .
Refer to REMOVING REAR SEAT BENCH .
Refer to REMOVING THE REAR SEAT BACKREST (NOT FOR A SA465 PASS-THROUGH SYSTEM) .
Refer to REMOVING THE TRIM PANEL FOR THE STORAGE SHELF .
Refer to REMOVING REAR UPPER SEAT BELT .
Refer to SET THE SOUNDPROOFING MAT ASIDE .
Refer to REMOVING REAR SPRING STRUT .

Prepare the spring tensioner

NOTE: RISK OF DAMAGE
Damage of the coil spring.
Any use of faulty protective inserts leads to coil spring damage. Faulty protective inserts may lead to a cracked coil spring (corrosion).

Check the protective insert for wear or damage and if necessary, replace the protective inserts.

Clamp special tool 0 493 556 (31 3 341) in vice.
Attach the special tool 2 318 833 from the top to the special tool 0 493 556 (31 3 341) until you can her and feel the retaining bolts engage.
Check the position of the special tool 2 318 833 and correct it as needed.

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Prepare pressure plates

Mount the special tool 2 359 293 to the special tool 2 318 833 .
Prepare special tool 2 318 833 2 x and always use with the protective insert!

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Set special tool 0 493 556 (31 3 341) to dimension A.
Dimension A:

F90: 95 mm

F90 Competition: 100 mm

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Clean coil spring to remove heavy contamination.
Pick up the spring strut shock absorber (1) by the coil spring with the special tool 2 318 833 .
Make sure that the coils of the coil spring are completely placed into the recesses of the special tool 2 318 833 .

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Tension the coil spring until dimension (B) is reached at the special tool 0 493 556 (31 3 341) .
Dimension (B):

F90: 35 mm

F90 Competition: 30 mm

It is essential to ensure that the dimension does not fall below dimension (B).

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Unplug connector (1) from the spring strut and remove cable.

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Remove the spring strut support bearing

NOTE: TECHNICAL INFORMATION
Releasing and tightening the nut on the support bearing or spring strut support bearing with an impact screwdriver is prohibited.
Release the nut (1) with the special tool 2 360 213 , reversible ratchet with extension and socket SW10.
Remove the spring strut support bearing (2) with the spring pad.

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Remove the spring strut shock absorber (1) including the auxiliary damper and the spring pad from the tensioned coil spring (2).

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Relieve tension on special tool 0 493 556 (31 3 341) .
Remove the coil spring (1) from the special tool 2 318 833 .

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