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Home >> Audi >> 2010 >> S4 Standard >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Suspension (Sedan) >> 42 Rear Suspension >> SUBFRAME >> SUBFRAME, Servicing >> SUBFRAME, Servicing, Front Bonded Rubber Bushing For Rear Final Drive, All Wheel Drive (AWD) Vehicles >> Installing

SUBFRAME, Servicing, Front Bonded Rubber Bushing For Rear Final Drive, All Wheel Drive (AWD) Vehicles: Installing

Installation is the reverse of removal, with special attention to the following:

WARNING:

Wear protective eyewear while drilling.

-- Gently pre-load the bonded rubber bushing -2- with cover horizontally in the vice clamp as illustrated -1-. Be sure not to damage the outer layer of the bonded rubber bushing.

Fig 1: Gently Pre-Load Bonded Rubber Bushing With Cover Horizontally In The Vise Clamp
GWWA42-10346Courtesy of AUDI OF AMERICA, LLC

-- Position the drill -3- on the bonded rubber bushing -2- as illustrated and drill the hole in several steps.

Step 1, 11 mm drill bit

Step 2, 11.5 mm drill bit

Step 3, 12 mm drill bit

-- Make a continuous marking -arrow- straight to the grooves.

Fig 2: Identifying Make A Continuous Marking Straight To Grooves
GWWA42-10281Courtesy of AUDI OF AMERICA, LLC

-a- = 90°

NOTE:

Marking is needed to align bearing with subframe.

When pulling in the bearing, the grooves are masked by the tool.

-- Coat the rubber bonded bushing with Installation Lubricant before pressing it onto the subframe contact surface.

-- Install the rubber bonded bushing with the marking -arrow- into the subframe so that the marking points exactly in the driving direction.

-- Place the tools on the front bonded rubber bushing as shown in the illustration.

Fig 3: Place Tools On Front Bonded Rubber Bushing
GWWA42-10272Courtesy of AUDI OF AMERICA, LLC
  1. Nut T10254/4
  2. Press Piece - Carrier Mounting T40033/7
  3. Subframe
  4. Bonded rubber bushing
  5. Press Piece - Front Final Drive Bushing - Thrust Plate T40186/2
  6. Bearing Installer - Wheel Hub/Bearing Kit - 4 T10205/4
  7. Hydraulic Press VAS6178
  8. Hydraulic Press - Ball Joint Assembly Tools - Nut T10254/4
  9. Spindle T10254/5. The spindle pins face downward.

-- Pull bearing into subframe until stop.

NOTE:

If paint damage has occurred during bearing replacement, repair using corrosion protection, primer and black top coat.

Install in reverse order of removal.