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Old 05-02-2023, 02:06 PM   #1
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2005 Winnebago W22 workhorse 8.1 liter heater control valve part number

Hi everyone, my heater control valve on my 2005 Winnebago W22 workhorse 8.1 liter is leaking. Was wondering if anyone know the part number the heater control valve. Thanks for the help.
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Old 05-02-2023, 02:48 PM   #2
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Do you know the dash HVAC unit make ?

Evans/Tempcon ? Denso ?

Electronic or cable control ?
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Old 05-02-2023, 03:05 PM   #3
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I don't know the brand but I think is cable control..
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Old 05-02-2023, 03:17 PM   #4
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Quote:
Originally Posted by fastwhls View Post
I don't know the brand but I think is cable control..
Can you post a picture of the valve?

The electronic valves have an 5/6 wire multiple connector .
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Old 05-02-2023, 03:21 PM   #5
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Being on wheelchair I couldn't take a picture myself but the mechanic did and showed it to me. I'll try to see if I can...
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Old 05-02-2023, 03:27 PM   #6
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I the mechanic still has the coach , ask him to look for the name " Evans " anywhere on the heater housing .
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Old 05-02-2023, 04:49 PM   #7
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I looked for it in Winnebago part catalog

it's #2 103930-23-000 EA VALVE/WATER - 2 PORT/VACUUM CONTROLLED picture 1

But seems like Winnebago don't carry/use them anymore and I can use the one they use on the coach with Ford engine which works the same

Ford Motorcraft Heater Control Valve Part # YG136
picture 2

It works with vacuum. And no I have left the coach with mechanic. They should have the part tomorrow and they'll call me when they do so I can go there and have them replace itClick image for larger version

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Old 05-02-2023, 06:19 PM   #8
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This a picture of the heater control valve which is leaking...it's vacuum operated Click image for larger version

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Old 05-08-2023, 03:19 PM   #9
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This is where the heater valve started to leak..and I was able to change it with NAPA 74858 heater valve 660-1865....so far so good..Click image for larger version

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Old 05-11-2023, 08:06 PM   #10
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thanks for the finished post!!
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