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Join Date: Aug 2013
Posts: 2,115
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Air filter replacement
WTH? So, I’ve done a lot of work on my 930 but never personally replaced the air filter. My stock air filter housing is secured by two studs with nuts doubled up (oh yeah!). When I go to unscrew said nuts the entire stud turns. Not sure if this the way it’s supposed to be or if the housing should lift of the secured studs once the fasteners on top are removed. How do I get this thing off to replace the filter? I can’t see how one would replace in situ. Hope everyone is doing well and enjoying Spring weather.
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1987 Marine Blue 930 1982 911SC White Plains, NY |
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Join Date: Aug 2013
Posts: 2,115
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I think I figured it out. PET shows it as a bolt (a $4.75 bolt no less). Looks like $9.50 was saved sometime ago.
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Join Date: Nov 2007
Location: New Jersey
Posts: 3,112
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Yup the whole bolt screws out, and yes those are the wrong ones. Interesting what folks will use not to spend a few dollars..lol
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Rey....77 930 "the Mistress" |
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You typically don’t need to remove the whole air box to replace the air filter. Just remove the clips on the right side, pull the cover off, remove the filter and replace either the new one.
Rahl
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1976 930 turbo Carrera, "Ubich". Mostly stock, lightly sweetened. She’s an angry schwierigkeit. She doesn’t want flowers, she just wants to dance! And when she does, she shakes her hips to the rythem of the road. Drive her like you hate her! |
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Join Date: Aug 2013
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This was how I viewed the process but as I unclipped, I couldn’t see how there would be enough clearance to get the cover off and filter out so I went the route of exploring removing of the entire housing which seemed silly.
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And those two screws can be a bear to line up with the holes and get them started!
Rahl
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1976 930 turbo Carrera, "Ubich". Mostly stock, lightly sweetened. She’s an angry schwierigkeit. She doesn’t want flowers, she just wants to dance! And when she does, she shakes her hips to the rythem of the road. Drive her like you hate her! |
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Join Date: Mar 2011
Location: Nova Scotia, Canada
Posts: 323
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Despite many patient iterations, I've not been able to change the filter without removing the 'mail-box', which requires moving the a/c pump out of the way. Huge ordeal for a simple filter change, but it seems that accessing just about anything requires removal of the intercooler, a/c pump, and air filter box. You will get good at doing it quickly.
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Unless your set on keeping everything original I would suggest a change to a cone filter or something similar to end the frustration. After pulling my intercooler a dozen times to get to various things I decided change was good. I haven't had my intercooler off since. Yes, I like the original look better but its just not worth the hassle.
original: ![]() With cone filter: ![]()
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Steve 1981 SC Steel Widebody Outlaw in Pacific Blue and Artic White, 930/51 to 3.2l, K27 7006 Turbo, P&P Twin Plug heads, Twinfire Ignition, BLwur, Ruf Intercooler, Powerhaus headers, Zork, CIS Euro FD, 009 injectors, DOD, DP Lid, 044 pump, 930 4 sp LSD, Mocal 44 w/fan, LM2, Brembo, Retroair, Euromeisters. |
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