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Oil in the air cleaner housing?

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  • #1

    Oil in the air cleaner housing?

    Hi all was wondering if anybody else has had this problem, my 89 weber carbed periodically ends up with some oil spray in the air cleaner area. It is coming from the hose that runs up from the valve cover, i believe it is called a crankcase breather hose. I have the original air cleaner holder slightly modified to fit the weber, i had this problem before i did this rebuild but i knew i had a bad cylinder, it was so bad that i could not rebuild that motor, i got another b3 and rebuilt it, it has around 30,000 on the rebuild. I have checked compression and all cyclinder check out pretty high. Soo im not sure what us going on, as i said it only happens once in a while i will clean it out check it every week and sometimes its 2 weeks between incidents other times it goes 4 to 5 weeks between incidents this is my dd and gets at least 500 miles a week put on it.

    Thanks ahead of time
    Uglyed and the Steve
    The Steve, 89 L, 93 b3, 81 escort carbed, 5 spd now, metro 13s, 88 323 exh mani, very comfy Suzuki forenza front seats...47 mpg as long as it is above 40°! LOL!
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  • #2
    Maybe a bad PCV valve. Simple and cheap to replace, so I'd start there.
    90 Festy (Larry)--B6M (Matt D. modified B6 head), header, 5-speed, Capri XR2 front brakes, many other little mods
    09 Kia Rondo--a Festy on steroids!

    You can avoid reality, but you can't avoid the consequences of avoiding reality--Ayn Rand

    Disaster preparedness

    Tragedy and Hope.....Infowars.com.....The Drudge Report.....Founding Fathers.info

    Think for yourself.....question all authority.....re-evaluate everything you think you know. Red-pill yourself!

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    • #3
      Ok its not very old do they tend to gum up?

      Uglyed and the Steve
      The Steve, 89 L, 93 b3, 81 escort carbed, 5 spd now, metro 13s, 88 323 exh mani, very comfy Suzuki forenza front seats...47 mpg as long as it is above 40°! LOL!

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      • #4
        Shake PCV valve and if it's making a clear sharp rattle it should be okay. If it's new the spring should be good so spray inside with WD-40 to clean it out. Also there's a little filtre inside the air cleaner you can check for gunk. On mine it's a piece of sponge rubber. It can be taken out and cleaned with soap and water. Dirty PCV and filtre would be symtoms of oil coming from engine. I think that would be blowby from rings (or valves?). Maybe a chemical additive cleaner would help?
        Last edited by WmWatt; 05-23-2016, 05:21 PM.
        Original owner of silver grey carburetted 1989 Festiva. 105k km as of June 2006. 140k km as of June 2021.

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        • #5
          Originally posted by WmWatt View Post
          Shake PCV valve and if it's making a clear sharp rattle it should be okay. If it's new the spring should be good so spray inside with WD-40 to clean it out. Also there's a little filtre inside the air cleaner you can check for gunk. On mine it's a piece of sponge rubber. It can be taken out and cleaned with soap and water. Dirty PCV and filtre would be symptoms of oil coming from engine. I think that would be blowby from rings (or valves?). Maybe a chemical additive cleaner would help?
          Yeah, check the PCV like WmWatt sez.

          Because he has a Weber, and probably the Weber air filter, no little oil filter in the air filter housing.
          90 Festy (Larry)--B6M (Matt D. modified B6 head), header, 5-speed, Capri XR2 front brakes, many other little mods
          09 Kia Rondo--a Festy on steroids!

          You can avoid reality, but you can't avoid the consequences of avoiding reality--Ayn Rand

          Disaster preparedness

          Tragedy and Hope.....Infowars.com.....The Drudge Report.....Founding Fathers.info

          Think for yourself.....question all authority.....re-evaluate everything you think you know. Red-pill yourself!

          Comment

          • #6
            I will check that pcv valve im ready for an oil change so i will definitely run some good cleaner through it thanks.
            The Steve, 89 L, 93 b3, 81 escort carbed, 5 spd now, metro 13s, 88 323 exh mani, very comfy Suzuki forenza front seats...47 mpg as long as it is above 40°! LOL!

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            • #7
              Im hoping it is not anything serious was hoping to make it a long time on this motor!
              The Steve, 89 L, 93 b3, 81 escort carbed, 5 spd now, metro 13s, 88 323 exh mani, very comfy Suzuki forenza front seats...47 mpg as long as it is above 40°! LOL!

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              • #8
                Ok checked and cleaned pcv valve seemed to be working properly even befor cleaning gonna run some cleaner through it then do my oil change. Been trying to pinpoint when i notice this oil and it seems like when i get out on the 4 lanes runnin 65 to 70 is when ive noticed this afterwards a few times, dont think this would really matter just throwing it out there
                The Steve, 89 L, 93 b3, 81 escort carbed, 5 spd now, metro 13s, 88 323 exh mani, very comfy Suzuki forenza front seats...47 mpg as long as it is above 40°! LOL!

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                • #9
                  Did you run cleaner through why did you use???

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                  • #10
                    Sorry just saw this just used some sarb cleaner on the pcv valve and then ran car up to temp put in some sea foam went for a drive came back then did oil change oil came out nasty so drove another 500 miles then did it again same procedure looked much better so waiting to see when i do next oul change if its better same or worse

                    Uglyed and the Steve
                    The Steve, 89 L, 93 b3, 81 escort carbed, 5 spd now, metro 13s, 88 323 exh mani, very comfy Suzuki forenza front seats...47 mpg as long as it is above 40°! LOL!

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                    • #11
                      Havent seen any oil in air cleaner housing since the oil change and cleaning

                      Uglyed and the Steve
                      The Steve, 89 L, 93 b3, 81 escort carbed, 5 spd now, metro 13s, 88 323 exh mani, very comfy Suzuki forenza front seats...47 mpg as long as it is above 40°! LOL!

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                      • #12
                        sure it wasnt over fill before?

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                        • #13
                          Still getting oil in air filter housing?? Did you use the sea foam through a vaccum line method or pour in the oil??

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                          • #14
                            I'm pretty sure he poured it in the oil. PCV valves and new grommets are only a couple of dollars on Rock Auto but the shipping will be a few extra. If you go to the HELP section of Oreillys or Advanced they should have the grommets and you can pick up a new PCV valve while you are there.

                            Also I would either clean or replace the hose that goes from the PCV valve to the Intake.
                            "The White Turd" 1993 Festiva 144k miles. (Winner of FOTM November 2016)
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                            "The Rusty Banana" 1990 Yellow 5 Speed Mud Festiva (Lifted with 27" BKT Tractor Tires)(Winner of "Best Beater Award" - Madness 12 - 2018)

                            "Papa Smurf" 1992 Blue 5 Speed Shell
                            "Cracker?" (name pending) 1992 White Auto Shell (Future BP Swap)
                            "Green Car..." Scrap Car that Runs?!?
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                            "El Flama Blanca" 1993 Festiva 104k miles. (Lil Brothers Car)
                            https://drive.google.com/file/d/0BzM...ew?usp=sharing

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                            • #15
                              hello all i put the sea foam in the oil just poured it in cleaned pcv valve and checked the line it was good, also oil level was spot on as always since all my gaskets got changed awhile back. I have been keeping close eye on things so far so good hopefully i just had some crud build up in the motor and the sea foam and oil changes has flushed it all out only time will tell

                              Uglyed and the Steve
                              The Steve, 89 L, 93 b3, 81 escort carbed, 5 spd now, metro 13s, 88 323 exh mani, very comfy Suzuki forenza front seats...47 mpg as long as it is above 40°! LOL!

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