6.4 Job number and differences between them. - Page 2 - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #11 of 58 (permalink) Old 08-23-2010, 09:22 AM
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Re: 6.4 Job number and differences between them.

The head gaskets are pretty much the same on all Job of 08 truck. Yeah, the later ones are supposedly better, and supposedly thicker or whatever, but I've yet to see a head gasket fail on a 6.4, job 1, 2 or 3. Part number updates can occur for any number of reasons, including packaging changes, or what comes in the box, or an updated part that comes in the box.

The job 1 trucks, specifically those built before 8/20/2007, had the early, un-covered HPFP gasket with the loose wires that would rub through on the pump, chafe, and cause a no start and possibly a blown fuse #74 in the BJB. Cab removal required to repair this concern.

There is a RAFT of TSB's with date specific ranges on them, but most interesting I find the Module Reprogramming TSB's.

Prior to 8-2-2007
Between 8-3-2007 and 1-2-2008
Between 1-3-2008 and 9-15-2008

Looking at those dates, would make me think that those are the SPECIFIC breakdown dates for jobs 1, 2, and 3, since if you think about it, more than likely 2008 model year production ended in September 2008, when the 2009's started rolling off the line.

The TSB's with the dates on them are calibration updates, which took the PCM and TCM to the same calibration level, so I'm unsure why they broke them into seperate build categories. Unless it has something to do with WHAT changes each truck will have, and be noticed by the customer, depending on what calibration was in the truck when it was purchased new.

That's all I care to contribute at this time, since it's 4:22am, and I haven't slept yet. I work at 7. *sigh*

Ford Powerstroke Diesel/Senior Dealer Technician
2008 F-350 Job #3 4x4 Off Road CC/SB Vermillion Red
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post #12 of 58 (permalink) Old 08-25-2010, 06:13 AM
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Re: 6.4 Job number and differences between them.

I was told by a reliable source that the head gasket design has been changed 6 or 7 times since the first production 6.4's.

Jeff Dodd


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post #13 of 58 (permalink) Old 08-27-2010, 11:41 PM
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Re: 6.4 Job number and differences between them.

anybody knw wat vin numbers had the injector flaws?

02 f250 ext cab lb, silver, diy intake,4in exhaust 6in tip, ts tuning, and transgo shift kit, truetrac locker, xd series black n chrome 20's with atz's
Work truck 00 f250 reg cab lb, silver, diy intake,4in exhaust 6in tip, programmer, procomp rims with cooper stt's
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post #14 of 58 (permalink) Old 08-30-2010, 01:18 AM
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Re: 6.4 Job number and differences between them.

There's a list, it's like 58 pages long.

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2008 F-350 Job #3 4x4 Off Road CC/SB Vermillion Red
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post #15 of 58 (permalink) Old 09-29-2010, 01:54 AM
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Re: 6.4 Job number and differences between them.

where is the list
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post #16 of 58 (permalink) Old 02-16-2011, 03:34 PM
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Re: 6.4 Job number and differences between them.

Is there a way to tell by looking at the sticker color on the Valve covers what job it was? I am just looking at a motor so I was wondering, I know some are orange and and some are blue.. Maybe that doesn't make a difference on these.

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post #17 of 58 (permalink) Old 02-16-2011, 11:54 PM
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Re: 6.4 Job number and differences between them.

Quote:
Originally Posted by stroked99_1/2 View Post
Is there a way to tell by looking at the sticker color on the Valve covers what job it was? I am just looking at a motor so I was wondering, I know some are orange and and some are blue.. Maybe that doesn't make a difference on these.
Orange stickers are on 250's and 350's, blue on 450's and 550's. Blue stickers will reflect 325 horse power and 600 lb feet of torque.
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post #18 of 58 (permalink) Old 02-17-2011, 03:34 AM
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Re: 6.4 Job number and differences between them.

Ahh I see, thanks.

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post #19 of 58 (permalink) Old 02-17-2011, 03:49 AM
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Re: 6.4 Job number and differences between them.

I looked at the sticker on the drivers side door and saw the date 12/06... That must have been one of the first trucks made lol
Talk about early Job 1.

2008 Job 1 F250
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post #20 of 58 (permalink) Old 02-17-2011, 02:25 PM Thread Starter
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Re: 6.4 Job number and differences between them.

Thats the earliest i have ever heard. most are feb 2007

couple trucks one fast one not
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