2006 F250 - faint coolant smell - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 09-11-2009, 01:50 PM Thread Starter
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Question 2006 F250 - faint coolant smell

I have a 2006 F250 6.0L with 75K miles. I have been towing a small (4000lb) trailer for the last two weeks. I would think that this load is hardly a stress for this vehicle. On the interstates I was able to maintain about 70MPH. Our trip was about 3000 miles total.

On the last few days of the trip, I noticed a very faint coolant smell in the morning before starting the engine. This was present outside the vehicle and through the a/c vents (recirc off). I did not notice any smell once the vehicle was at operating temperature, or during stops along the way. I did not notice the smell all mornings.

I don't want to panic on this, but I realize this could be a sign of a serious problem. Is there a sequence of things I should check and rule out?

Thanks.

2006 F250 Crew Cab Lariat 4x4 6.0
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post #2 of 12 Old 09-11-2009, 06:27 PM
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Mine was doing the exact same thing and the coolant was coming out of the coolant overflow. Check the lid on the overflow and see if there are any stains on the bottle where it has been leaking.
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post #3 of 12 Old 09-11-2009, 07:03 PM Thread Starter
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So it was the cap? I guess I need to replace that, just for sanity sake.

2006 F250 Crew Cab Lariat 4x4 6.0
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post #4 of 12 Old 09-11-2009, 07:15 PM
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I replaced the cap, temp sensor and the thermostat and the clutch fan quit coming on all the time and no more coolant smell. A few weeks late I had the other typical 6.0 problems, but I don't know if the clutch fan engaging all the time was just a sign of these problems. I just like to start with some of the cheapest, logical fixes first and hope for the best. Alot of the 6.0 problems have similar symptoms so sometimes it is hard to diagnos.
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post #5 of 12 Old 09-11-2009, 07:21 PM
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Each time I smelled the coolant smell, it ended up being the EGR cooler. Good luck chasing down the source of your problem.

Shawn Carlson
EvilEye@powerstroke.org

Proud Navy Vet
2005 F250, CCSB, 6.0 PSD, FX4 (The Sweet Unit is white)
2008 F350, CCLB, 6.4 PSD (Brad-the wife's truck is black)




Engine Mods:
Fluidampr
CCV Reroute (Reinstated)
4" MBRP Exhaust
MTW Stage 1 Turbo
Bulletproof 53V FICM
BulletProof EGR Cooler
BulletProof Water Pump
Riff Raff Intercooler Boots
Gogo Diesel Direct Drive Solenoid
BulletProof All-Aluminum Radiator
BulletProof All-Aluminum Intercooler
BulletProof Oil Cooler System w/ Bypass Filter
SCT w/ Custom Tunes (TSD, DJ's, Innovative, Gearhead, QuickTricks)

Exterior Mods:
Bilstein 5100 Shocks
Icon Adjustable Trac Bar
Firestone RideRite Air Bags
BDS Dual Steering Stabilizer
Aluminum Finned Differential Cover
Reese 16k Manual Slider 5th Wheel Hitch
Icon 2.5" Leveling Kit w/ F-350 rear blocks
20" BMF Novakanes wrapped in 33" Nitto Terra Grapplers
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post #6 of 12 Old 09-11-2009, 07:23 PM
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If you got warranty, take it in. If its pucking from the degaus bottle, could be a couple things. Cap, EGR Cooler going bad, over filled coolant, or head gaskets.

Chuckles

07 F350 King Ranch. SCT by Innovative!! 4" Magnaflow Turboback, Coolant Fiter System, ARP Studs, Sneaky Pipe by Elite Diesel.
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post #7 of 12 Old 09-12-2009, 06:47 AM
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hey any idea how much a new cap is... think mine is bad?

04' F350 PSD
4" Superlift
35" Nito Teragraplers
16" Eagle racing wheels
Home built 5" Side exit exhaust
RCD full egr delete
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post #8 of 12 Old 09-12-2009, 06:52 AM
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about 10-20 bucks. they have a new design also.

Chuckles

07 F350 King Ranch. SCT by Innovative!! 4" Magnaflow Turboback, Coolant Fiter System, ARP Studs, Sneaky Pipe by Elite Diesel.
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post #9 of 12 Old 09-12-2009, 09:41 PM Thread Starter
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Get cap from dealer?

2006 F250 Crew Cab Lariat 4x4 6.0
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post #10 of 12 Old 09-13-2009, 08:34 AM
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Yes, the dealer is the only place that sells them.

Shawn Carlson
EvilEye@powerstroke.org

Proud Navy Vet
2005 F250, CCSB, 6.0 PSD, FX4 (The Sweet Unit is white)
2008 F350, CCLB, 6.4 PSD (Brad-the wife's truck is black)




Engine Mods:
Fluidampr
CCV Reroute (Reinstated)
4" MBRP Exhaust
MTW Stage 1 Turbo
Bulletproof 53V FICM
BulletProof EGR Cooler
BulletProof Water Pump
Riff Raff Intercooler Boots
Gogo Diesel Direct Drive Solenoid
BulletProof All-Aluminum Radiator
BulletProof All-Aluminum Intercooler
BulletProof Oil Cooler System w/ Bypass Filter
SCT w/ Custom Tunes (TSD, DJ's, Innovative, Gearhead, QuickTricks)

Exterior Mods:
Bilstein 5100 Shocks
Icon Adjustable Trac Bar
Firestone RideRite Air Bags
BDS Dual Steering Stabilizer
Aluminum Finned Differential Cover
Reese 16k Manual Slider 5th Wheel Hitch
Icon 2.5" Leveling Kit w/ F-350 rear blocks
20" BMF Novakanes wrapped in 33" Nitto Terra Grapplers
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