The Ways to Replace Audi Front Upper Control Arms (2) A pair of 16mm sockets made quick work of this pinch bolt.A stout screwdriver can be used to coax the bolt out of the upright, toward the rear of the car. A pair of 16mm sockets made quick work of this pinch bolt.A stout screwdriver can be used to coax thebolt out of the upright, toward the rear of the car. A sharp whack to the underside of thecontrol arm popped the ball joint out of the suspension upright. The sametechnique dislodged the rear arm as well.
Here the ball joints have been removed fromthe upright. Both joints were shot and needed to be replaced, which requiresthe replacement of the whole arm. The upper mounting plate is secured to thechassis with three 16mm bolts,which are visible in a triangular configuration within the engine compartmentat the top of the shock tower and indicated by red arrows. Use a wrench and/or socket to remove thethree bolts and the accompanying washers. The forward-most bolt is obscuredslightly by the wiring emerging from the ECU enclosure as seen here. The only remaining fastener holding theshock/spring/upper mount assembly in place is the long 19mm bolt and nut securing the bottom of theshock to the front lower control arm. The shock mounts to the forward lowercontrol arm with a nut and bolt that must be removed to extract the strutassembly. Use two 19mm wrenchesor sockets. When the nut is off you can slide the boltout to the rear, but the rear lower control arm is in the way and prevents itsremoval.
I tried rotating the front lower control arm a bit counterclockwisealong its axis, using the still-mounted strut assembly as a lever. This gaveenough clearance to remove the bolt. During reassembly, you might try reversingthe position of the bolt and nut to avoid this problem next time. Stud Bolts for sale You may needto disconnect the front sway bar from the link to do this. Slip the bottom of the shock off of thecontrol arm and remove the assembly from the wheel well. As mentioned, I had already removed the twotop nuts securing the spring/shock assembly to the upper mount before removingit from the car.
This is what youre left with once wholesale L shaped bolt the upper mount is freed. I³e already removed one of thecontrol arm bolts, as seen to the left. The rubber boot on this ball joint is torn,and the joint itself is damaged and ready for replacement. If you have separated the upper mount fromthe spring/shock assembly, here is a way to remove the bolts securing thecontrol arms to the upper mount. Turn the assembly upside down and secure themount with your foot. This allows you apply the torque necessary to loosen the 16mm bolt and nut.
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