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Rear Suspension Strut

CAUTION:
  • As assembled, the coil spring is compressed and under load. Avoid personal injury by using a suitable spring compressor tool when servicing the coil spring assembly.
  • If the tools shown in illustrations are unavailable, spring compressor US 1117 or an equivalent tool can be used.
  • Always follow the manufacturer's instructions for the tool you are using.
NOTE:

The work sequence is shown using a standard version right-side strut. Peculiarities with respect to sports version struts are listed under the respective exploded view for the corresponding strut.

Disassembling

-- Clamp spring compressor Spring Mounting Tool: VAG1752/2  or equivalent in vise.

GWWV42-1014Courtesy of AUDI OF AMERICA, LLC

-- Install strut in spring compressor.

-- Pre-compress coil spring with spring compressor: VAG1752/1  or equivalent far enough so upper spring seat is free.

Make sure coil spring is correctly seated in adapter : VAG1752/3  or equivalent (arrow).

GWWV42-0940Courtesy of AUDI OF AMERICA, LLC

-- Remove self-locking nuts from shock absorber shaft.

GWWV42-1016Courtesy of AUDI OF AMERICA, LLC

-- Remove individual parts corresponding to suspension version.

-- Remove coil spring with spring compressor: VAG1752/1  or equivalent.

-- Pull shock absorber protective cap upward.

-- Drive lower spring seat off shock absorber using plastic-faced hammer.

-- Remove malfunctioning shock absorber from spring compressor.

NOTE:

Use proper disposal procedures for removed shock absorbers before scrapping.

Assembling

-- Clamp new shock absorber in spring compressor : VAG1752/2  or equivalent.

GWWV42-0942Courtesy of AUDI OF AMERICA, LLC

-- Install lower spring seat on shock absorber and make sure that coil spring stop -a- is aligned with shock absorber mounting eye -b-.

NOTE:

Illustration shows a right-side strut. In correct assembly with strut installed in vehicle, the spring coil end stop points to the front on the right-side strut and to the rear on the left-side strut.

-- Press protective cap onto shock absorber to stop.

-- Install precompressed coil spring on shock absorber, so end of spring coil contacts spring seat stop (arrow).

GWWV42-0943Courtesy of AUDI OF AMERICA, LLC
NOTE:

Make sure the color mark on the coil spring points to lower spring seat.

-- Slide bump stop with protective sleeve onto shock absorber shaft to stop.

-- Pull shock absorber shaft out of shock absorber.

-- Install damping ring on coil spring so end of spring coil contacts stop on damping ring (arrow).

GWWV42-0944Courtesy of AUDI OF AMERICA, LLC

-- Install individual parts corresponding to sports version.

-- Thread new self-locking nuts loosely onto shock absorber shaft by hand.

-- Bring upper stop from spring compressor up and into position above upper spring seat and/or strut adapter.

GWWV42-0945Courtesy of AUDI OF AMERICA, LLC

Insert both studs for the lever arm (arrows) into holes in upper spring seat or strut adapter and fasten.

-- Tighten all clamping levers for spring compressor upper stop.

-- Loosen clamping lever and turn upper spring plate and/or strut adapter until pointer points to 6 ± 2° on degree scale of spring compressor : VAG1752/2  or equivalent.

GWWV42-0942Courtesy of AUDI OF AMERICA, LLC

L - Position of pointer for left strut (counterclockwise)

R - Position of pointer for right strut (clockwise)

-- Tighten clamping lever (arrow).

-- Tighten nut on shock absorber shaft:

GWWV42-1016Courtesy of AUDI OF AMERICA, LLC
r Standard version, M10 threads: 30 Nm (22 ft lb)
r Sports version, M12 threads: 50 Nm (37 ft lb)

-- Release tension on coil spring carefully, make sure coil spring, damping ring and upper spring are correctly seated.

As soon as spring compressor: VAG1752/1  or equivalent is free, stop and remove spring compressor from coil spring.

-- Unscrew stop device lever arm and remove.

-- Remove strut from spring compressor : VAG1752  or equivalent.