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07-28-2011, 01:32 PM
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#1 | |
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AF Newbie
Join Date: Jun 2005
Location: morrisville, North Carolina
Posts: 3
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I hear water boiling behind the dash? 2002 ram 1500
was running hot so I added coolant. now the gauge is going up and down slightly and the heater doesn't blow hot air. a.c. seems fine.
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07-28-2011, 07:27 PM
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#2 | |
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AF Enthusiast
Join Date: Feb 2011
Location: bethpage, Tennessee
Posts: 595
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Re: I hear water boiling behind the dash? 2002 ram 1500
HI mikelj80, you probably have an air pocket in the cooling system, keep overflow tank checked and add coolant as needed. Does your engine have a bleeder valve? Sound like you may have a leak.
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07-29-2011, 05:29 PM
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#3 | |
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AF - Advisor
 
Join Date: Mar 2004
Location: Nashville, Tennessee
Posts: 2,919
Thanks: 112
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Re: I hear water boiling behind the dash? 2002 ram 1500
I've read of folks "burping" their cooling system by positioning the front/passenger side of the truck much higher than the rest of the truck with the engine running cold & the radiator cap off, keeping the radiator topped off until the engine gets to normal running temperature, then installing the radiator cap.
A bad radiator cap can keep the cooling system from building normal pressure too.
__________________
1992 Bravada, 201K, stock 1997 Bravada, 101K, stock...was "called away"  "Cornbread Red", 2001 Dodge 2500,4X4,HO Cummins Diesel,QC,SWB,6spd.,Banks boost&pyro,US Gage fuel press.,Edge Drag Comp,4"exh.,cowl hood, bhaf, black Holley pump, 140gph...13psi WOT, Vulcan Big Line, kevlar/ceramic single disc clutch, cheapo fuel cooler, 8x.010" vco injector nozzles, Cat turbo 62-65-.70A/R, 497hp 1089 tq 8/25/14  Time to turn so's you don't burn. 
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07-29-2011, 07:55 PM
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#4 | |
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Guest
Posts: n/a
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Re: I hear water boiling behind the dash? 2002 ram 1500
Just remove the radiator cap while cold and start it up. Let the engine get to operating temps and add more water/antifreeze.
You have air in the system and you will continue to hear it until you get rid of it. If it continues then you have a leak in the system. |
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08-16-2011, 03:32 PM
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#5 | ||
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AF Regular
Join Date: May 2008
Location: new york
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Re: I hear water boiling behind the dash? 2002 ram 1500
Quote:
+1, that's how it's done. It's a PITA to get the air out of the system on these rigs.
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98 Ram 1500 4x4 Flowmaster American Thunder W/super40 |
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