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Old 07-18-2013, 07:40 PM
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astroman54 astroman54 is offline
Dodge Ram Forum Senior Member
Join Date: Mar 2011
Location: New Jersey
Age: 61
Posts: 205
Gender: Male
Vehicle: 2009 Dodge Ram 1500 Crew Cab
Trim Level: Sport
Color: Deep Water Blue
Engine: 2009-???? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
astroman54 will become famous soon enough

The only way I know of to check how much R-134a is in the system is by pressure. They use a scale on the filling bottle to know how much they have put into the system, so the # of lbs comes from there.

It sounds like you need to top off the R-134a in your system to the point where it doesn't cycle the compressor clutch. It sounds to me like it's pumping until the low refridgerent switch turns the system off, and when it builds up again, it lets it start again.

2009 Dodge Ram 1500 Sport Deep Water Blue Crew Cab Hemi 4x4
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