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2002 Dodge Ram 1500 Overheating Gauge Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting dodge_driver New User Oct 17, 2012, 5:52 AM Post #1 of 4 (2007 views) 2002 Dodge Ram 1500 Overheating Gauge Sign In Recently, I noticed that when driving the heat gauge rises toward the "H" and "Check Gauges" light/tone appears. However, when I press that gas to raise the RPM's over 2.5 it goes down below the 1/2 mark toward "C". It seems when the motor is at a low idle or cruise without pressing the gas pedal that it will rise toward the "H". But when I press the gas, it goes back down. Also, I noticed when the gauges starts to rise to "H" the heat turns cold. Any ideas what to get checked? Hammer Time Ultimate Carjunky / Moderator Oct 17, 2012, 6:23 AM Post #2 of 4 (1980 views) Re: 2002 Dodge Ram 1500 Overheating Gauge Sign In You're circulating more coolant when you do that. You need to check the coolant level and pressure test it for leaks. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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. dodge_driver New User Oct 17, 2012, 7:13 AM Post #3 of 4 (1973 views) Re: 2002 Dodge Ram 1500 Overheating Gauge Sign In Thank You Tom Greenleaf Ultimate Carjunky / Moderator Oct 17, 2012, 7:47 AM Post #4 of 4 (1967 views) Re: 2002 Dodge Ram 1500 Overheating Gauge Sign In If all shows well with test HT suggested it's not common to me but some water pump impellers can lack adequate flow at lower RPM. See if heater works strong at just idle or lots better at a raised RPM. Not conclusive but a clue. If no or very poor heat and gauge shows high on gauge it could be boiling as the hot vapor doesn't transfer heat well. If you do find coolant level low you need to know why. If boiling to reservoir it may not be bringing back the full amount and overheating for any reason is a killer so pay attention, 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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