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Search Auto Parts Search AC problems Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> AC Auto Repair Help Forum mwaldora New User Aug 28, 2012, 6:38 PM Post #1 of 5 (2058 views)      AC problems   I have a 99 ford ranger, I am completely starting fresh with a recharge. I vac. the system and started refilling the system, I am at 130psi on the low side and still negative on the high side and the compressor wont kick on. does anyone have any ideas?? Hammer Time Ultimate Carjunky / Moderator Aug 28, 2012, 7:23 PM Post #2 of 5 (2021 views)      Re: AC problems   Yes, bring the car to a shop that knows what they are doing. You are going to do some serious damage here. What you're saying isn't even possible unless you don't know how to hook up or read the gauges. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Discretesignals Ultimate Carjunky / Moderator Aug 28, 2012, 7:26 PM Post #3 of 5 (2015 views)      Re: AC problems   Are you using a scale to recharge this system? If not, stop what your doing. If your charging by pressure, you'll have to recover the system and do it by weight. If you attempting to charge the system through the high side with the engine running, that is an excellent way of turning a 12 oz can of refrigerant into a bomb. You either have a problem with the high side schader valve not opening or there is a problem with your gauges or coupler. Can you give up some background as to what happened to the system? Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved. (This post was edited by Discretesignals on Aug 28, 2012, 7:29 PM) mwaldora New User Aug 29, 2012, 4:58 AM Post #4 of 5 (1987 views)      Re: AC problems   I am NOT charging through the high side. The system was empty upon starting, the tag on the truck calls for 1lb 14oz of freon. Last time i did the math that was 30oz total. Like i said the low side is reading 130psi and the high still reads negative from the evac. and compressor wont run. the compressor did run before, the system was emptied because the ac was not blowing cold air. Hammer Time Ultimate Carjunky / Moderator Aug 29, 2012, 5:49 AM Post #5 of 5 (1983 views)      Re: AC problems   Quote Like i said the low side is reading 130psi and the high still reads negative from the evac. and compressor wont run Like I said, That's impossible and you don't know how to hook up your gauges. This section of the forum is here to assist people with extensive refrigeration experience already which you clearly do not have. read here: http://autoforums.carjunky.com/...ORE_POSTING_P123003/ Question locked ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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