2004 Mustang V6 will not produce heat - Ford Mustang Forum
 
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post #1 of 7 (permalink) Old 01-23-2011 Thread Starter
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2004 Mustang V6 will not produce heat

I have checked the coolant level, changed the thermostat, still not heat to inside of car? Any ideas?:?:

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post #2 of 7 (permalink) Old 01-23-2011
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maybe someone bypassed your heater core like they did mine..


1998 Mustang GT

MAC CAI, MAC O/R H PIPE, FLOWMASTER 40's, BLUE FRPP 9MM WIRES, TRICK FLOW 75MM UPPER PLENUM, 73MM TB, BBK STRUT TOWER BRACE, HURST PISTOL GRIP, WHITE FACED GAUGES, MATCHING SPEEDHUT OIL PRESS. AND WATER TEMP. GAUGES IN A FRPP DUAL POD A-PILLAR, BILSTEIN STRUTS, KONI SHOCKS, H&R SUPERSPORT SPRINGS, DNA REAR UPPER/LOWER CONTROL ARMS, 18'' CHROME Y2K'S, MICHELIN 295/35 AND 275/40 PILOT SPORTS, KENWOOD HEAD UNIT, PLANET AUDIO 1000W AMP AND 10" MEMPHIS SUB :nogrinner
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post #3 of 7 (permalink) Old 01-23-2011
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could be a bad heater core? also check hoses.

2003 Ford Mustang3.8L -65k miles
Installed
True Dual Exhaust w/ Black Chrome Tips | Lowering Springs
Coming
P&P heads | P&P upper intake | P&P lower intake | 70mm Throttle Body | CAI | SF3 Tune After | Full Engine Dress Up |
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post #4 of 7 (permalink) Old 01-23-2011
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have you had your clutch change resently? if its a stick?
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post #5 of 7 (permalink) Old 01-23-2011
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Quote:
Originally Posted by Eric7025 View Post
have you had your clutch change resently? if its a stick?
what would that have to do with the heater core

2003 3.8L V6 4R70W
Windstar Upper Intake with cool-air intake, MAC LT headers, BBK O/R H-pipe, and flow 40s, SCT tuner, FRPP Alum. D/S, 3.73 gears, Auburn HP limited slip, and Team Z LCAs, Eibach sway bars.
Best 1/4 time: 15.036 @90.92mph, 2.148 60'
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post #6 of 7 (permalink) Old 01-24-2011
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Quote:
Originally Posted by Markstang690 View Post
what would that have to do with the heater core
LOL. +1 on markstangs question

2003 Ford Mustang3.8L -65k miles
Installed
True Dual Exhaust w/ Black Chrome Tips | Lowering Springs
Coming
P&P heads | P&P upper intake | P&P lower intake | 70mm Throttle Body | CAI | SF3 Tune After | Full Engine Dress Up |
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post #7 of 7 (permalink) Old 01-24-2011
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is there a normal amount of resistance when turning the temperature knob?

has any recent cooling work been done? if there are air bubbles and the cooling system needs to be bled, the heater will not work. minor air bubbles will make the heater work intermittently.

-2000 3.8L TKO600, 1.8 60ft, 8.71 @ 81mph
-1988 Jeep XJ, bone stock 2wd
-1994 Jeep XJ 4wd, 3" lift, 31" tires.. rust in peace..
-1997 Jeep XJ 4wd, 7" lift, 35" tires, front/rear lockers

-Bronze Level Porsche Technician
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