heater problem - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 03-06-2013, 06:29 AM Thread Starter
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heater problem

Okay when the truck is at a stop the heater will start to blow cold air once i start moving or get rpm up it will blow hot air again. Anyone know?

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post #2 of 8 Old 03-06-2013, 06:47 AM
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Is your coolant low?

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #3 of 8 Old 03-06-2013, 06:51 AM
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^yup... bet you've got a bubble and need a burp, at best, or have a leaking heater core or somewhere else air is being introduced, at worst.
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post #4 of 8 Old 03-06-2013, 07:09 AM Thread Starter
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Well f i fill it the coolant comes out of cap. I.did a coolant flush last spring. I didnt have this problem tell a few weeks ago

Jeremiah


Horsepower is like sex, once you get it you can't get enough of it

2008 6.4 with 200k and counting

5" FLO-PRO exhaust W/6" tip
AFE stage 2 CAI
Spartan tuner
PTP EGR Delete
coolant filter
CCV Mod
leveling kit
4in rear Blocks
20's W/35's
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post #5 of 8 Old 03-06-2013, 07:10 AM
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You have bad head gaskets right? I have seen posts stating that will cause problems with the heater.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #6 of 8 Old 03-06-2013, 07:14 AM Thread Starter
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I think i goung to replace either way

Jeremiah


Horsepower is like sex, once you get it you can't get enough of it

2008 6.4 with 200k and counting

5" FLO-PRO exhaust W/6" tip
AFE stage 2 CAI
Spartan tuner
PTP EGR Delete
coolant filter
CCV Mod
leveling kit
4in rear Blocks
20's W/35's
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post #7 of 8 Old 03-06-2013, 07:15 AM
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Well you stated above that coolant comes out of the cap so you probably have bad head gaskets.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #8 of 8 Old 03-06-2013, 08:03 AM Thread Starter
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Wouldn't temps be weird if it was head gaskets?

Jeremiah


Horsepower is like sex, once you get it you can't get enough of it

2008 6.4 with 200k and counting

5" FLO-PRO exhaust W/6" tip
AFE stage 2 CAI
Spartan tuner
PTP EGR Delete
coolant filter
CCV Mod
leveling kit
4in rear Blocks
20's W/35's
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