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Vixen MH A/C compressor advice please

padgett on Wed May 26, 2010 6:56 PM User is offline

Year: 1986
Make: Vixen
Model: 21TD
Engine Size: 2.4
Refrigerant Type: R-12
Ambient Temp: 95F
Pressure Low: 75
Pressure High: 145
Country of Origin: Germany

The Vixen motor home was built in Pontiac Michigan with a BMW turbo diesel and mostly GM G-20 parts otherwise. From the pressures I suspect the 1986 compressor is not compressing. Static pressure in the R-12 systen is about 98 psi at 95F so charge is not far off but low side is not dropping much & high side is not very high. Of course this is a dual air system & the taps are 20 feet from the compressor.

The compressor is a Bosch-Behr (A/C kits 600003CP) which I have been told is only about 4cid displacement. Is this enough ? What are my options (the mount is special). Suggestions appreciated.


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Many Carpets

bohica2xo on Fri May 28, 2010 4:27 AM User is offline

The "Wing Cell" compressor in a 21 foot Class A with dual A/C. Barely enough compressor for a 6 series in a mild climate.

Compressor life will be short in that application. A conversion to a larger compressor should be given a serious look. A Seltec 21 series or an A6 would be closer to the mark.

I can't imagine trying to drive a US highway with a 115 bhp 21 foot Class A motorhome.

B.

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"Among the many misdeeds of the British rule in India, history will look upon the act of depriving a whole nation of arms, as the blackest."
~ Mahatma Gandhi, Gandhi, An Autobiography, M. K. Gandhi, page 446.

padgett on Sun June 06, 2010 12:34 AM User is offline

a) Ordered rebuilt compressor and such here, problem is that the mount area is very restrictive so going to any other compressor would be difficult.
b) Am a convert which the worst kind of fanatic. Those 115 horses are very strong ones, and can keep up with traffic between lights and cruises easily at 70 in 5th. Turbo Diesels like this one just make a lot of power low down and I just keep it between 2000 and 3500 rpm. Of course the Vixen is very light for a full class A & has very low drag thanks to a full belly pan.

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Many Carpets

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