With the assembly out of the car, we can begin dis-assembly.ВP We will start by removing the air spring from the shock tower.ВP Using the ratchet and the triple square head,ВPloosen theВPbolts.ВP WithВPall bolts removed, separateВPthe shock towerВPfrom the air spring byВPsimply puling them apart.ВPВPWith the shock tower removed,ВP you should now be able to see the rubber shock mount. Using channel locks, grab the shock mount and loosen the strut bolt with aВP19mm ratchet. Once you break it free, it should spin off without too much effort. If it does not, you may have to use some ghetto means to loosen it.ВP My friend grabbed a 19mm socket and held it with channel locks while I took the Allen key and placed it through the socket into the top of the strut. Using this method, we were able to have one person turn while the other held and the nut came free.ВP With the nut removed, the strut can be removed from the air spring.ВP Discard the air spring, o-rings and shock mount immediately so the
Loosen the 18mm lower strut mount bolt using a ratchet and wrench. If your car has not been touched since factory assembly, the bolt will be inverted, ie. the head facing the rear of the car.ВP If this is the case, you will need your floor jack to position the lower control arms in a position that allows proper clearance for the removal of the bolt. Be patient. Once you find the sweet spot,ВP it will be relatively easy to remove. However, you may need the assistance of the mallet and a punch to push the bolt free of the hole. Once the bolt has been removed, the entire assembly can be removed from the car.
Using a 10mm open end wrench, loosen the air fitting atВPthe top of the air spring. Once free, you will hear the spring fully deflate. Adjacent to the air fitting, on theВPunderside of the fender well, there is a PIA 1 cent locator clip that must be removed before the entire shock tower will come free. To remove this, use whatever works! In addition to excessive force and swearing, aВPВPsmall screwdriver, aВPhammer, a dremmel or needle nose pliersВPare all acceptable approaches. Feel free to mangle the clip. We did not replace it (the dealer does not replace it) but if you really feel you need to, go ahead.ВP It is a very inexpensive part.
Using the 16mm ratchet and an 16mm wrench, loosen the pinch bolt that should have been soaking in penetrating oil for the last 2 days. If the bolt does not thread out on its own, you may have to give it a few whacks with theВPmallet and screwdriver/punch. Once the pinch bolt is removed, a few upward blows with the mallet are needed to free the upper control arms.
Using a 16mm ratchet and extension remove the three bolts holding the top of the shock tower in place. These bolts will be reused so put them aside.
Next, jack up the front of the car, support with jack stands at the pinch weld/jack point.ВPВPRemove the front wheels and place them out of the way. Next, remove the fender liners with a torx head and ratchet.
Note 1: Now is a good time to look at your cabin filter and replace it if it’s dirty.ВP It is also a good idea to take a flashlight and look under theВPbattery for any sitting water or debris. If you see either, remove the battery and battery tray and clean out the area.ВP In addition, be sure toВPcheck the drainage hole beneath the battery.ВP If clogged, water will backup and eventually seep into the passenger compartment and possibly fry some expensive electronics. This topic is the subject of a recent class action lawsuit.
Place the car into JACK MODE by turning the key to the ON position and then simultaneously pressing ВPand holding the suspension UP/DOWN buttons on the dash until the icon appears.ВPВPOnce the suspension is locked, turn the key off, open the hood, and remove the cowl cover. This is doneВPby gently removing the rubber seal and pulling the plastic cover toward the front of the car. Once the cover is out of the way, you can access the three 16mm bolts that secure the shock tower.
With the front of the car supported by jack stands and the front wheels off the car, we will be removing the airspring and shock tower from the car. Once removed, we will separate the shock tower, shock mount and strut from the airspring. We will replace the shock mount, airspring and o-rings, reassemble everything and then reinstall them into the car.
Flat head screwdrivers (small and large)
Allen wrench/spinner (something with leverage)
Metric wrench set (10mm, 16mm, 18mm)
Metric ratchet set (16mm, 18mm, 19mm)
Audi allroad C5 (2001 – 2005)
Before you go any further, get to your local FLAPS (Friendly Local Auto Parts Store) and pick up some PB Blaster penetrating oil.ВP Spray your pinch bolts with it ! If you can soak them for a day or two, it makes life MUCH easier. Don’t fight me on this! If you soak them for an extended period of time, chances are they will come out. This is, by far, the easiest way; We had my right front air spring out of the car in 15 minutes after wheel removal and none of us had done this repair before.
So your allroad has the dreaded death knell and is bowing to the air spring gods. No need to worry, as this is one of the easiest DIY’s to do on this car. And if you’ve done any suspension work at all, I assure you this repair is 10 times easier.
June 13, 2010 | by | Thou Shall Not Fear the Pinch Bolt
Audi allroad Front Air Spring Replacement
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Audi allroad Front Air Spring Replacement | Audiction
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