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Re: 4ksq air filter


For me the quickest and easiest way is to remove the rubber intake boot.

This way you can lift and swing the metering unit out of the way
(flexable fuel lines are a handy thing) and change the filter with clear
The boot has four attachments.
One to the throttle body,  one to the metering unit, one to the Idle
Stabilazer Valve, and one on the underside of the boot to the charcoal
valve tubing.
You might get away with only the first three items undone and swinging
the boot out of the way.

Much easier than removing the headlight which still does not give you a
clear access, plus some of those headlight phillips screws are tough to

Only downside to the intake boot removal is the possibility of vacuum
leaks of not reinstalled properly.


> I have been off the list for quite a while so pardon me if
> this has been discussed to death.  Didn't spot it in any
> faq I looked at.
> What is the easiest (ha!) way to change the air filter in
> a '85 4000 Quattro?  Seems that it has to come out from
> underneath but I'm not sure how to start.
> Thanks, Dave

Martin Pajak


1982 Audi Coupe Turbo (475,000 km)
1982 Audi Coupe Quattro (155,000 km) Rally car
1983 Audi Ur-quattro (220,000 km)
1986 Audi 4000 S Quattro (386,000 km) with 5 bolt pattern

C.E.O. of examlastminuteallnighterrollthedice inc.