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2005 E150 blows warm at idle

shadow1 on Wed August 29, 2007 4:32 PM User is offlineView users profile

Year: 2005
Make: Ford
Model: E150
Engine Size: 4.6
Refrigerant Type: R-134a
Ambient Temp: 93
Pressure Low: 65
Pressure High: 350
Country of Origin: United States

Blows warm at idle 80 degrees, running down the road it blows 52-56 and at 2000 the temp is 58 degrees. I have put a compressor, condenser, expansion tube, receiver drier on and flushed the system. It is no better than when it rolled in. anyone have an idea?

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Ford keeps me in business!!

Chick on Wed August 29, 2007 4:40 PM User is offlineView users profile

Was a vacuum pulled and the system amount charged into the vacuum?
How is the airflow over the condenser? Try spraying a "mist" of water on the condenser and see if the high side drops like a stone, or falls gradually.....
Low side is to high to cool, overcharge?? Air in the system?? You need the exact factory charge, no more..
Is the inlet and outlet of the evaporator the same temp, with the outlet slightly cooler? Or is it warmer?

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

TRB on Wed August 29, 2007 4:57 PM User is offlineView users profile

Just responded to this in the BAT forum.

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shadow1 on Wed August 29, 2007 5:00 PM User is offlineView users profile

Yes, there was a vacuum pulled for about one and a half hours before refrigerant was introduced to the system. It was charged into the vacuum. the mist of water did not get the high side to drop fast. I don't think it is overcharged because I recovered some of the charge until the compressor started to cycle and the temp in the van didn't get any better. I had vacuumed the system down the night before and it sat all night with very little loss, less than one quarter hg,. This van has an aux. system. The evaparator in the front is cool just before it goes in and is almost room temperature or a little warmer. It seems like the airflow over the condensor is ok, but everyone takes that part for granted.

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Ford keeps me in business!!

Chick on Wed August 29, 2007 5:09 PM User is offlineView users profile

Did you check the rear expansion device? I would also recheck the front O tube, and why was the compressor replaced? We need as much as you can give us on this one.. If you had a catastrophic compressor failure, you may need to change the condenser, and checking both expansion devices are needed now before you go any further. Don't add, let out add let out..Only the correct charge should be in the system to do the diagnosis..Let us know what you find..
Also, check the outlet of the condenser, it should not be cool...Only after the expansion device..

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

shadow1 on Fri August 31, 2007 12:11 PM User is offlineView users profile

Sorry I didn't post sooner. The fan clutch got it into the range. It was bad but it was moving alot of air. Thanks for your help

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Ford keeps me in business!!

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