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Old 08-07-2010, 13:07   #1 (permalink)
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Large hole in vacuum fitting on manifold

Car: 2007 Taurus SE I started up fine but the car would not keep running after fast idle. Holding the throttle down kept the engine running. Classic vacuum leak scene. Searching, I found a hole of ~ 1/2 in. in the corner of the rubber right angle connector at the top of the upper int. man. on the right side where 2 small vac. hoses feed into the connector. Why? Is this a known problem? The hole looks like it was worn/melted yet there is nothing in the area that I can see around it that would cause the damage. What do those 2 small vac. line that go into that fitting control? As a temp. fix I just slathered some sili. rubber and fabric over the hole to keep the car in service 'til I get a new fitting, but i don't know what to call it. If anyone has some info. plz give me some feedback.
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Old 08-07-2010, 17:02   #2 (permalink)
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Re: Large hole in vacuum fitting on manifold

Sounds like you found a good fix. Does the car run fine with the fix?
My guess would be that the two lines coming from the boot went to the EGR valve and the Heat/AC controls.
As to parts, the dealer will be able to give you a replacement pretty cheap I would think. Autozone might have a universal one in their HELP section, the replacement parts hanging on a card in the store. It is amazing what one can find there.
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Old 08-07-2010, 20:44   #3 (permalink)
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Re: Large hole in vacuum fitting on manifold

I only let the patch dry for ~ 4-5 hrs. 'cuz I was impatient, but the fix seems to have worked and the car idles smooth now. I'm really puzzled why the hole appeared just 1-2 days after using the car w/o any symptoms. I've begun to think Alvin and friends may have been snacking on the rubber. Uh, don't just laugh this off, either. My Z had a hole chewed in the air filter and a nest bilt by a chipmunk in frt. of the TB. I only found it when I was taking the air cleaner stuff off to put in a new rad. Coulda been serious if I hadn't found it in time. I had to put metal lath in frt. of the air induction boot! The chipmunks (...minks?) regularly nest on the manifold and any horiz. surfaces under the hood.
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Old 08-07-2010, 23:53   #4 (permalink)
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Re: Large hole in vacuum fitting on manifold

It's amazing how even a small hole in vacuum/emissions lines/fittings can cause issues such as this. I had the infamous emissions tee on my 91 Town Car which had a small hole in it. It was a $4 part from the Help section at my local auto store but the bad one made the car run like 50 cents.
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