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2002 Dodge Ram 1500 Overheating Gauge

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dodge_driver
New User

Oct 17, 2012, 5:52 AM

Post #1 of 4 (2002 views)
post icon 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
Hammer Time profile image

Oct 17, 2012, 6:23 AM

Post #2 of 4 (1975 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.



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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 (1968 views)
Re: 2002 Dodge Ram 1500 Overheating Gauge Sign In
Thank You


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Oct 17, 2012, 7:47 AM

Post #4 of 4 (1962 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






 
 
 






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