Audi A4 A4 Quattro Front 10 Piece Suspension Kit TRQ PSA65137

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In this video, we're going to show you upper control arm replacement on this 2007 Audio A4. Pretty much the same for 2000 to 2008. You'll need a center cap removal tool or 90 degree pick, 16 to 18 millimeter sockets with ratchets and extensions, 16 to 18 millimeter wrenches, penetrating oil, chisel, hammer, ball joint or tire rod fork, Phillip's screwdriver, torque wrench, large pliers and jack and jack stand.

To remove the wheel, you'll have to remove this lug cover. You can use the tool supplied with your spare tire kit. Often these are missing and are available on 1AAuto.com or you can use a hooked pick.

Remove the five 17 millimeter wheel bolts. I'm going to use the screw jack to push up on the suspension and simulate the weight of the vehicle on the tires. You can do the same thing with a floor jack at home. Bring it up until the suspension stops compressing. Hook a measuring tape to the top of your strut mount. Mark where you put the front of the tape on the strut mount and where it lines up at the bottom.

Our measurement here is 3 1/2 inches. Since the arms can't be torqued inside of the vehicle we will use a recreation of this measurement to set the angle of the control arm with the weight on before you torque on the bench. This arm will be aligned with our tape at both marks to 3 1/2 inches. We'll make our other arm parallel before torqueing on the bench.

Lower your screw jack or floor jack to release the weight from the suspension. Remove the pinch bolt at the top of the spindle. Often these are frozen in and will require heat power tools and just generally a lot of working back and forth to remove, but we're going to try starting ours by hand. You'll need a 16 millimeter wrench and a 16 millimeter socket and ratchet. Often even once the nut's been removed these pinch bolts tend to get stuck in the spindle. The best thing you can do for this is spray penetrating oil just about anywhere you can get at the bolt.

If you have to get a little outward pressure while you try to turn the bolt out of the spindle, you can use part of a chisel behind the washer just to put some outward pressure on it while you try to turn it out. We're going to be using a very thin wrench to get behind the washer, pry out on the bolt while we turn. When all else fails, you may just have to use power tools.

As the gap behind the washer gets bigger, you can up-size wrenches or even double them up to fill the gap. The best way to remove the upper control arms from the spindle is with a ball joint or a tire rod fork. Simply slide it under the joint, send it in with a hammer until it separates from the spindle. Remove the Phillips head screw on the top of the coolant expansion tank. Slide the tank out of its retainers. Just lay it off to the side. Be careful not to spill.

Remove the 16 millimeter bolt below the expansion tank. Our vehicle is missing the rain tray. If yours isn't, you'll have to remove it to access this rubber plug just before the fuse box. Remove the 16 millimeter bolt underneath. Remove the last 16 millimeter bolt between the break booster just by the fuse panel.

Using an 18 millimeter socket and ratchet and an 18 millimeter wrench, remove the bolt from the bottom of the strut through the lower control arm. Remove the bottom of the strut from the lower control arm and pry out to release the clip. With the strut assembly removed remove the 16 millimeter bolts holding in the upper control arms.

Reinstall your upper control arms. Remember to transfer the mark you used to measure the angle of the control arms from your old part to your new part so we can set the angle and torque the control arms appropriately. Torque the upper control arm bolts to 37 foot-pounds and then add 90 degrees.

Reinstall the other control arm the same way. Remove the protective caps on the new boots and you're ready to reinstall the assembly into the vehicle. Reinstall your strut assembly into the wheel well. Reinstall your top strut bolts. Torque the strut cap bolts to 55 foot-pounds. The strut may have rotated. All you have to do is use a small pry bar to twist it the way you want it. Once you're lined up send your bolt back through, tighten it back up with an 18 millimeter socket and ratchet and wrench.

Reinstall your forward control arm into the spindle. You may need a large pair of pliers to press the control arms into the spindle. Once it's in, install the pinch bolt halfway to keep it from falling out.

Reinstall the nut on the back of your pinch bolt. Tighten it down with a 16 millimeter socket ratchet and wrench. Torque the pinch bolt to 30 foot-pounds. Using your floor jack or screw jack to simulate the weight of the suspension on the vehicle torque your lower strut bolt to 66 foot-pounds.

Reinstall the wheel onto the hub. It helps if you send a lug bolt through and hold it with a 17 millimeter socket on the other side. Start the first bolt by hand to help keep the wheel in place. Torque the lug bolts to 90 foot-pounds in a cross pattern. The slots on the back of the lug cap are staggered. Be sure to align them before installing.

Reinstall the rubber cap and the rain tray if your vehicle has one. Reinstall the coolant reservoir into the slots on the fire wall. Reinstall the Phillip's head screw to secure it.

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