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chev pannel van 2500 Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> AC Auto Repair Help Forum jack31ca New User Jun 22, 2015, 6:36 PM Post #1 of 3 (1545 views) chev pannel van 2500 Sign In 2004 pannel chev van 2500, when drawing a vaccum to get the low side to go to -29 i have to turn the high side valve, and when i turn the high side off the low side goes back to 20 Discretesignals Ultimate Carjunky / Moderator Jun 22, 2015, 7:24 PM Post #2 of 3 (1528 views) Re: chev pannel van 2500 Sign In If vacuum doesn't hold on the gauges with the valves closed, you have a leak somewhere in the system or your gauge set. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved. Tom Greenleaf Ultimate Carjunky / Moderator Jun 23, 2015, 2:35 AM Post #3 of 3 (1515 views) Re: chev pannel van 2500 Sign In You should be able to "vacuum" just your gauge set without the van. If set's "park" spots for the connectors are not sealing I'd make up sealing dummy ports to test set. Sorry to say a whole lot of affordable gauge sets really stink and not all so called high end ones are so special either so worth being able to test them and a there is a good reason to be able to vacuum out your set as well, -- keep air out of even lines, T   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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