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Old 07-23-2019, 10:46 PM   #1
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2003 Fleetwood Discovery 35M dash refrigerant capacity

Does anyone know the correct amount of oil and refrigerant for a 2003 Fleetwood Discovery 35M? I will be replacing the compressor and dryer and flushing the system so I need to know correct amounts and I canít find a sticker anywhere on the system. It is made by Denso. Thanks in advance.
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Old 07-24-2019, 09:23 AM   #2
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Quote:
Originally Posted by jjb2001 View Post
Does anyone know the correct amount of oil and refrigerant for a 2003 Fleetwood Discovery 35M? I will be replacing the compressor and dryer and flushing the system so I need to know correct amounts and I can’t find a sticker anywhere on the system. It is made by Denso. Thanks in advance.
I recently did the same on my 2008 Fleetwood 38S. The factory service manual from Denso showed me 3.8# to refill. Don't forget to add oil...I found that information on Freightliner Service Manuals. My total was 14.5oz of PAG46. The Denso manuals and Freightliner manuals are both online. FL manual was through DTNA Connect. Be careful NOT TO FLUSH your condenser. Passages are too small. I replaced mine with one from UAC for about $60. At least bypass it for flush...although when I removed the lower fitting...it stripped the threads and a new fitting had to be obtained.
My compressor fittings had to be cut off...it was a pain to re-crimp etc.

Good luck
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Old 07-24-2019, 12:57 PM   #3
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Great info. Thanks for your reply!!
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air conditioner, air conditioning, cover, dash, discovery, fleetwood



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