Volvo RWD 1800 Forum

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air filter housing 1800

posted by  sfphoto on  Mon Aug 13 11:15 CST 2018
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I removed the wing nut but the cover will not budge. Parts diagram does not show a washer, just the nut. Tried lock-ease on the wing nut stud and around the seam. Does not appear rusted at all.

Was able to insert a thin blade and run along the seam on the right side, can not reach the left.

Tried reefing on the cover and heard a metalic crack - perhaps part of the rear portion attachment flange.

Even if I could get the entire filter assempbly loose I doubt it could be withdrawn throught the grille opening.

Comments sought - Thanks!







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    air filter housing 1800

    posted by  Ron Kwas on  Mon Aug 13 13:21 CST 2018
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    last visit: Fri Oct 24 04:03 CST 2014
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    sf;

    Don't take this wrong, but you may know what year, model, and version of 1800 your talking about, but we don't unless you state this (it's also not noted on your profile)...so please give additional pertinent info!
    Also, what is reefing? Try to use standard terms and descriptions meaningful to speakers of various dialects.

    Cheers








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      air filter housing 1800 - 1973 1800

      posted by  sfphoto on  Mon Aug 13 15:49 CST 2018
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      Oops - forgot year, definately needed as '69 and earlier I believe are different - 1973

      Reefing = to pull, verb: dictionary.com, old term, sorry, am an old owner

      Unit sits behind the rad. grille. Front is suppposed to pop off after removing the nut. Rear portion extends into the engine bay - am sure no way to extract whole.








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        air filter housing 1973 1800

        posted by  sfphoto on  Mon Aug 13 18:41 CST 2018
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        Update

        Was hoping I was missing something but seems not. I suspect the rubber on the element has fused.

        By attathing a tube to my bottle of Liquid Wrench I have applied to the entire seam.

        I also used a long feeler gauge and ran it along the seam.



        Will try tomorrow after letting the LW soak overnight.







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          air filter housing 1973 1800

          posted by  Ron Kwas on  Mon Aug 13 21:12 CST 2018
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          last visit: Fri Oct 24 04:03 CST 2014
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          sf;

          Got it...the rubber seal is likely sticky and "sealing" the two surfaces together by adhesion...LW may help, but the rubber will tend to seal it out and keep it from getting to where it needs to to release the two...try some gentle tappy-tappy to encourage loosening...at reassembly time, a film of silicon in the gasket will prevent such good adhesion and recurrence.

          Good Hunting!







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