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Re: auxiliary air valve: repairing 200 81

posted by  someone claiming to be Bill Bradley on  Mon Jan 3 16:28 CST 2000 [RELATED]

Sure. On some of the AAVs there is a stud which holds the valve in place. Over time either the spring weakens or the slide slips in the case, so the valve stays closed.

Soak the stud in penetrating oil for a good long time (like overnight) and then loosen it. Use a screwdriver to open the valve about 50% of the way and then tighten the stud again.

I've done this on Volvos, VWs and BMWs and it's cured the slow cold idle on all of them... the only hassle is that is you break the stud by overtightening or by using too much torque to lossen it, the whole thing is shot.(but they're cheap and easy to find at boneyards)

Bill

'84 245Ti

'84.5 242Ti

'83 244DL

Don't worry about the other post, he's talking about the idle control motor which was '82-





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