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| | | | Joined: Sep 2011 Posts: 814 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 814 | My truck has been running great for the past three years with no trouble at all. Today, though, I removed the oil bath air cleaner and cleaned it and put fresh oil in it. After I installed the filter I noticed that the truck idles much lower than it ever did before. Sometimes while sitting at a stop light it seems like it wants to stall out. I've checked for vacuum leaks around the carb, tightened all nuts and bolts around the intake/exhaust manifold and the carb. I found a few loose ones, which I tightened, but the problem is still there. I do notice that if I apply pressure to the air cleaner with my hand (like push it to the left or the right), it affects how the engine idles. I haven't checked the accelerator linkage very closely yet but I'll be doing that tomorrow. Could there be any connection between my removing the filter and then reinstalling it and my current problem? That's when the low idle thing started. Haven't tried shooting Gumout or similar around the carb and manifold yet but will do that tomorrow to see if I can find a leak.
1956 Chevy 3200
| | | | | Joined: Jan 2013 Posts: 1,384 Shop Shark | | Shop Shark Joined: Jan 2013 Posts: 1,384 | Carb flange nuts are loose?
Didn't overfill the the air cleaner?
| | | | | Joined: Oct 2012 Posts: 233 'Bolter | | 'Bolter Joined: Oct 2012 Posts: 233 | Could you have over filled the oil bath air filter? If you did it may be trying to suck oil into the cylinders. Mtneermike
1953 Chevy 3100 261 and SM420 53Chevy 31001953 Mack Firetruck 1972 Porsche 911 1986 Honda Goldwing
| | | | | Joined: Sep 2011 Posts: 814 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 814 | The carb flange nuts were the first things I checked. They were loose, so I tightened them, but no change. Might have overfilled the filter but I could have sworn I filled it right to the line. Will check again tomorrow. Thanks for the responses.
1956 Chevy 3200
| | | | | Joined: Sep 2011 Posts: 814 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 814 | It looks like the problem was too much oil in the filter. I emptied some of it out and the truck runs perfectly. Back to normal.
1956 Chevy 3200
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