Can't figure out what this device should be connected to. I found it hanging near my right front suspension. The tube connected goes to the crankcase and supplies vacuum which seems to pull the rod in. Does anyone now what this is, and how to reattach it?

<a href="http://people.ne.mediaone.net/bulat/P5260003.JPG">Click for picture</a>

 

It looks like cruise control, but why is it hanging near the fender? do you have cruise?

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88 Trans Am 305 Auto Red/Silver, MSD coil,wires, ported plenum, gutted airbox, TB bypass, comp cams 08-408-8, everything else stock

 

That looks like a heat riser vacuum diaphragm...

What kind and year of car & motor is this>?

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"So many Mustangs, so little time..."
ICON Motorsports

 

It's an 86 Camaro, 305 LG4. It has cruise control, but it hasn't worked since I got the car.

I think it got knocked out one day, and just ended up hanging where seen. The tube runs out towards the passanger side.

 

Yup, it's the heat riser valve actuator. There's a valve in the exhaust, maybe ¾" thick, between the Y-pipe and the right manifold; that diaphragm used to be attached to that valve, and was what worked it.

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"So many Mustangs, so little time..."
ICON Motorsports