Hard starting on newly purchased 1985 CJ7 - Page 2 - JeepForum.com

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post #16 of 18 Old 03-04-2013, 01:25 PM Thread Starter
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1985 CJ7 
Join Date: Feb 2013
Location: Decatur
Posts: 178
Here's what the setup with the manifold hole looks like. I'm guessing I need to run a flexible metal tube from the bottom hole (manifold) to the middle hole just under the intake? How can I test to see if the flaps in the intake are working?

Also, I see I'm missing a tube going to the grill from the top opening in this photo.

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post #17 of 18 Old 03-04-2013, 03:28 PM
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1981 CJ7 
Join Date: May 2011
Location: Elbert
Posts: 17,203
If the TAC is hooked up and operating correctly, the flap will be closed when you start the engine cold. This causes the engine to draw heated air from the heat stove. As the air inside the breather housing warms, the TVS switch opens, causing vacuum to open the snorkel flap and allow fresh air in.

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post #18 of 18 Old 03-04-2013, 06:17 PM
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1983 CJ7 
Join Date: Feb 2010
Location: Glendale,Arizona
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Welcome to the dark side of the forum.Great Looking Jeep

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cj , new buyer , start problems

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