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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...   2020 suburban new transmission and issues after install recently had the transmission fail at 11...   Caliper piston post cleaning won't screw in Hello, 2013 Hyundai Elantra limited (ma...

Search Auto Parts Search chev pannel van 2500 Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> AC Auto Repair Help Forum jack31ca New User Jun 22, 2015, 6:36 PM Post #1 of 3 (1432 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 (1415 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 (1402 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   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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