Heater blows cold - Ford Powerstroke Diesel Forum
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post #1 of 28 Old 01-04-2011, 11:30 AM Thread Starter
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Heater blows cold

I have a 2005 F250 with the 6.0L. The heater is the electronic climate control but is not warm and does not get warmer the higher you set the setting. All functions work fine (def,floor,vents) It changes back and fourth no problem. It just does not get warm....
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post #2 of 28 Old 01-04-2011, 11:33 AM
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sounds like you got bad head gaskets to me, thats one thing that goes when your head gaskets do

2007 F250 king ranch 6.0 powerstroke
SCT w/ custom tunes from innovative
5" mbrp exhaust
Studded and EGR Deleted

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on to the next toy
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post #3 of 28 Old 01-04-2011, 11:36 AM
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What is your actual coolant temp when warmed up? If your gauge is not reaching half way up, you probably need a new T-stat. Does it seem to blow warmer when you put your foot into it?

'03 F350 6.0 CC dually lariat 4x4
Autometer gauges:
Pyro, boost, fuel pressure
Edge insight cts
Bulletproof EGR cooler (Blocked off)
Oil cooler rebuilt
Coolant filter
Delvac EC-1 ELC
Exhaust: MBRP 4" cat back with delete pipe
SCTx3 Tunes by Innovative and Gearhead
Swamps 58v FICM
High idle mod
SRW front wheel conversion
ARP head studs

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post #4 of 28 Old 01-04-2011, 11:58 AM
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Quote:
Originally Posted by kingranch89 View Post
sounds like you got bad head gaskets to me, thats one thing that goes when your head gaskets do


OP, check your ECT and go from there, I would guess your t-stat needs to be replaced...

2006 F250 CC Short Bed King Ranch 4x4 (109,000 miles)
4" Turbo Back w/ 6" Tip
SCT x3 w/ Custom Tunes From DJ's/Innovative
03 turbo
Eclipse Navigation/DVD/CD/MP3 w/ Rear Camera
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K & N Cold Air Intake w/ S&B Replacement Filter
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***SOLD 10/31/11***

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2011 Ford F-150 Limited 6.2L Super Crew
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post #5 of 28 Old 01-04-2011, 12:49 PM
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first thing , check to see if you even have any anitfreeze, my truck did the same thing and i checked the antifreeze and it was pretty much empty lol yes i know lack of maintenance on my part but i filled her up and heat worked like new

2006 F250 SuperCab FX4 6.0stroker,2.5'' leveling kit with 3'' blocks in the rear,35''x12.50 Toyo M/Ts around 18'' diamo 17 karat rims,4 in Turbo Back with 6in RBP tip,Recon led cab lights with smoked covers,Isspro ev2 Boost and Egt gauges,7in Jensen Touchscreen DVD,EGR Delete , SCT SF3 Power Flash Programmer,Hatchie Bottom Seat covers in Duck Blind Camo

Next= Studs
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post #6 of 28 Old 01-04-2011, 01:04 PM
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Check heater valve on the heater hose under the hood. Verify that it's opening.
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post #7 of 28 Old 01-04-2011, 01:11 PM
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First check your coolant level.

Second if its full check ECT at operating temp. I dont mean using the existing gauge.

Third if ECT doesnt reach at least 180 change the tstat its bad

Fourth check the blend door actuator.



Whats the ambient air temp where you are?

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #8 of 28 Old 01-05-2011, 06:27 AM Thread Starter
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Thanks for all the responses. My coolant level is full. I live in northern IN. and its about 10-30 degrees these days. It does not get warmer the more i use the throttle. After the truck is good and warm from driving, it feels luke warm coming from the vents only if i leave the fan on low. If i turn the blower up it just feels cold. Recently i had an egr delete installed because the egr cooler valve went bad.
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post #9 of 28 Old 01-05-2011, 06:44 AM
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Welcome to the org. Were in northern indiana are you? If you are near valparaiso I can hook up my scangauge II and check the actual coolant temp. When I get my truck back next week. It's in getting head gaskets and studs this week and my scangauge is in the truck. P.M. me if you need a hand.

'03 F350 6.0 CC dually lariat 4x4
Autometer gauges:
Pyro, boost, fuel pressure
Edge insight cts
Bulletproof EGR cooler (Blocked off)
Oil cooler rebuilt
Coolant filter
Delvac EC-1 ELC
Exhaust: MBRP 4" cat back with delete pipe
SCTx3 Tunes by Innovative and Gearhead
Swamps 58v FICM
High idle mod
SRW front wheel conversion
ARP head studs

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post #10 of 28 Old 01-05-2011, 12:06 PM
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Quote:
Originally Posted by blueblooded View Post
Thanks for all the responses. My coolant level is full. I live in northern IN. and its about 10-30 degrees these days. It does not get warmer the more i use the throttle. After the truck is good and warm from driving, it feels luke warm coming from the vents only if i leave the fan on low. If i turn the blower up it just feels cold. Recently i had an egr delete installed because the egr cooler valve went bad.
Get a cold front

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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