6.4L Power Stroke Engine and DrivetrainDiscussion of the 6.4L Power Stroke diesel engine and drivetrain in the 2008-Up Super Duty trucks. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.4L Power Stroke engine.
My fan clutch is staying locked up for some reason,even when I crank it in the morning its locked up? Any idea's? Im not going to ruch it to the dealer just yet as im gonna gve it a few days and see if it clears itself up. Anyone else's do this?
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11' SD CC F350 6.7L FX4
White Platinum Tri-coat
Lariat Ultimate Pkg
IDP Torq2
Warn GenII winch mount
2" Autospring leveling kit
35/12.50/20 Toyo M/T's
Real Rancho shocks w/dual steering stabilzers
6k HID Headlights/Fogs
Adj.High Idle mod
08' SD CC 6.4L 4x4 (Sold)
06' SD CC 6.0L 4x4 (traded)
Did you spec your truck with the snow plow package option? I remember reading that with that option the fan stays engage quite a bit of the time. If indeed the fan runs continuously, I would get it into the dealer. All that fan is doing is sucking more diesel fuel out of your tank.
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2008 F-450 Lariat Dark Stone Metallic over Pueblo Gold 4x4(manual shift transfer case, manual hubs), High capacity tow 4:88s, Off Road, Camper packages, Sirius Sat, Upfitter switches, DVD entertainment, tailgate step, traction control, Audiophile 6-disc, PTC Supplemental heat and heated seats(warm buns), rear sensors, traction control, tailgate step. Built May 8, delivered May 24
Reese Signature Series 24k fiver hitch, I installed it myself, best hitch I have found yet
Line-X bedliner, heavy duty floor mats
2003 Sunline F281SR(weekend getaways)
Sea Ray 240 Sundeck http://community.webshots.com/user/C...host=community
I have the plow package. Mine acted the same way until the weather turned cold. Then it just stayed on. They had to pull the radiator, etc. to get to the fan clutch so they could replace it.
Damned thing sounded like a tornado when it was locked up.
They cracked the plastic top radiator cover/brace when putting everything back together. Had to go back again when that part came in.
I'm interested in hearing more responses to this. When I start my truck in the morning after 2 or 3 minutes the fan runs really fast. From what I understand this is to put drag on the engine to help it warm up. After it gets warm, I can hear my fan cycling up and down at idle. It never completely shuts off. I have read that this may be the "unique fan" that is part of the snow plow prep. But, I have also read other threads that seem to say that other owners have taken their trucks into the dealer for this and they have replaced the fan clutch. So just looking for more replies to this topic and see how others with snow plow prep fans run.
Mine done it again this morning but unlocked again on my way back to the office... Its loud and pulls some serious air locked thats for sure, sure dont want to take it to the dealer though,gonna give it some time..
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11' SD CC F350 6.7L FX4
White Platinum Tri-coat
Lariat Ultimate Pkg
IDP Torq2
Warn GenII winch mount
2" Autospring leveling kit
35/12.50/20 Toyo M/T's
Real Rancho shocks w/dual steering stabilzers
6k HID Headlights/Fogs
Adj.High Idle mod
08' SD CC 6.4L 4x4 (Sold)
06' SD CC 6.0L 4x4 (traded)
Just wanted to give an upadate,took it by the dealer and they ordered the fan and said they would call me when they could get it in/out. Well the fan seems to be doing fine now,im not gonna take it in till it happens again but its been doing fine for over a week now.
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11' SD CC F350 6.7L FX4
White Platinum Tri-coat
Lariat Ultimate Pkg
IDP Torq2
Warn GenII winch mount
2" Autospring leveling kit
35/12.50/20 Toyo M/T's
Real Rancho shocks w/dual steering stabilzers
6k HID Headlights/Fogs
Adj.High Idle mod
08' SD CC 6.4L 4x4 (Sold)
06' SD CC 6.0L 4x4 (traded)
I have a post on this and I have 8200 miles on my 08 and I just had the clutch replaced on it 1200 miles ago and it is going to the shop in the morning for another one.
I have mine in the shop for this again and they said that they got an update for this clutch and that they just got the info on it Monday, so if you are having trouble there is a fix out there.
Last edited by stewie2; 03-18-2008 at 08:01 PM.
Reason: UPDATE
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Fan clutch staying locked
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