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Old 09-16-2018, 12:51 AM   #1
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F53 Ford V10 vacuum line

I recently purchased a 2000 Forest River F53 motorcoach with the Ford V 10 engine and under the dash I found a vacuum line that doesnít seem to be plugged into anything. Itís an 1/8Ē black PVC line that has a small barbed fitting.

Can anyone tell me where it goes? Maybe to heater controls, or AC itís approximately 3 feet long from the passenger side looks like it would go towards the drivers seat.

Thank you.

2000 Forest River Georgetown 325S Ford V10 F53
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Old 09-16-2018, 01:14 AM   #2
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Welcome to iRV2 .

Sorry I can't really help , but I do have a rough vacuum schematic for an Evans Tempcon motor home dash A/C system, which I believe you coach is equipped with , and the black tube is listed as vacuum supply.
So if it was broken you'd have no mode control of the dash system.
Any chance it's for the windshield washers .
Could you post a picture?
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Old 09-16-2018, 06:40 AM   #3
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Is this hose pulling vacuum with the engine running, is your dash AC not working correctly or another accessory not working? Do you hear any noises under the dash to indicate a vacuum leak? What color is this hose? Where's the other end of this hose connected to?
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Old 09-16-2018, 10:23 AM   #4
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Live vacuum

Yes itís pulling live vacuum off the engine Iím sure it plugs into something obviously. It feels like I have good flow from the dashboard for heat and air conditioning not sure if the floor vents are working I will check when I go to the storage lot to visit her.
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Old 09-16-2018, 10:25 AM   #5
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Black vac tube

Looking at the above vacuum diagram its the black line so it looks like itís a supply from the engine.
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Old 09-16-2018, 01:11 PM   #6
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Quote:
Originally Posted by Mikepdx View Post
Looking at the above vacuum diagram its the black line so it looks like itís a supply from the engine.
If your dash A/C system has vacuum controlled actuators ; and no vacuum supplied ; you will only get air flow from the defrost vents , those vents are the default setting.
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Old 09-17-2018, 03:21 PM   #7
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Thanks

Ok I feel like a fool! The black vacuum line simple plugged into the vacuum block for the heater/AC controls, I couldn't see the middle port since the other vac lines had it hidden. Thank you guys for all your input and help. Mike
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