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Old 11-18-2016, 11:17 AM   #251 (permalink)
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What are you using for the strip lighting in the shell? Had thoughts of something similar under bed rails under my tonneau cover
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Old 11-18-2016, 02:52 PM   #252 (permalink)
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What are you using for the strip lighting in the shell? Had thoughts of something similar under bed rails under my tonneau cover
Whatever the ARE cap came with.......its almost like a Velcro design that sticks to the interior carpeting very very well

Does not hang down at all and does an good job lighting up the inside
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Old 11-18-2016, 03:29 PM   #253 (permalink)
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gas v8's have had 100 years of evolution and improvements.

this is essentially first gen.
For who? Buick did this almost 40 years ago with great success. Production turbo cars have been available since early 60s.
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Old 11-23-2016, 01:56 PM   #254 (permalink)
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Ecoboost Maintenance

Since my 16 expedition has the 3.5l ecoboost, I'm posting in this thread. We've been known to tow with it a fair amount. Probably 4000 miles out of a total of 18000. Trailer weights from 5k to 8k. No crazy high speed towing or abuse.

Rear diff is leaking at the output seals. Not a lot, but definitely unexpected at 18000 miles. I'm wondering if Ford didn't upgrade diff to deal with new ecoboost.

Anyone seen this before?

Edit: 3.31 ratio

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Last edited by Orville; 11-23-2016 at 02:00 PM.
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Old 11-25-2016, 06:02 AM   #255 (permalink)
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2016 Expedition with the Ecoboost still has the same 365 hp / 420 tq rated motor.......my understanding is that all Ecoboost SUVs and F150s came with the Ford 9.75 rear axle

What do you mean "I'm wondering if Ford didn't upgrade diff to deal with new ecoboost"

The 9.75 is a pretty damn good stock rear axle........some claim it gets hot fast, but I have yet to experience this.

Big axle shafts and a stout housing.

Some quick stolen info:

In torque capacity, it's ahead of the Dana 60, though it's a bit shy of the average semi-floating D60 in load-carrying ability.

Other notable comparisons to the Dana 60 are that the 9.75 axle has about the same-size carrier bearings and larger pinion bearings.

The 34-spline 9.75 may have one spline less and 0.070-inch less axle shaft diameter than the D60 (35/1.50"), but it makes up for it by having quality material. Ford uses a high-carbon SAE 1050 carbon steel in its axles instead of 1040. As a result, the Ford holds a significant edge over the Dana in short-term maximum output torque rating, and it's dead even in the maximum continuous rating.
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Old 11-25-2016, 06:45 AM   #256 (permalink)
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Originally Posted by D45 View Post
2016 Expedition with the Ecoboost still has the same 365 hp / 420 tq rated motor.......my understanding is that all Ecoboost SUVs and F150s came with the Ford 9.75 rear axle

What do you mean "I'm wondering if Ford didn't upgrade diff to deal with new ecoboost"

The 9.75 is a pretty damn good stock rear axle........some claim it gets hot fast, but I have yet to experience this.

Big axle shafts and a stout housing.

Some quick stolen info:

In torque capacity, it's ahead of the Dana 60, though it's a bit shy of the average semi-floating D60 in load-carrying ability.

Other notable comparisons to the Dana 60 are that the 9.75 axle has about the same-size carrier bearings and larger pinion bearings.

The 34-spline 9.75 may have one spline less and 0.070-inch less axle shaft diameter than the D60 (35/1.50"), but it makes up for it by having quality material. Ford uses a high-carbon SAE 1050 carbon steel in its axles instead of 1040. As a result, the Ford holds a significant edge over the Dana in short-term maximum output torque rating, and it's dead even in the maximum continuous rating.
Maybe it heats up quicker because it has less oil when used in the expedition because it's IRS design , no tubes to add oil capacity.
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Old 11-25-2016, 07:39 AM   #257 (permalink)
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Maybe it heats up quicker because it has less oil when used in the expedition because it's IRS design , no tubes to add oil capacity.
Very possible, a quick check revealed this about rear diff fluid capacity:

2012 F150 FX4
FRONT: 3.8 Pints
REAR (Open/LSD): 5.5 Pints
REAR (Electric Locker): 5.9 Pints

2016 Expedition
FRONT: 3.6 Pints
REAR (Open): 4.4 Pints
REAR (LSD): 4.2 Pints
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Old 11-25-2016, 09:46 AM   #258 (permalink)
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Thanks for the replies. The dealer said it was not a oil leak. The factory installation lubricant seeps out. They cleaned it off and the plan is to watch it.


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Old 11-25-2016, 12:46 PM   #259 (permalink)
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Well today I decided to finally inspect the undercarriage to try to locate a "thud" noise that I have been hearing for the last 3-4 months

It really only happens on acceleration and seems to be on the driver side floorboards areas

I know there are numerous complaints about the rear driveshaft slip yoke, but the only real way to tell this is to take off the driveshaft, pull the boot and see if its dry.......something I will let the dealership do under warranty

I checked the rear axle u-bolts, and they are tight

I jacked each from tire up off the ground and checked the ball joints, tie rod ends, and the sway bar end links..........all were tight

Any other ideas ?
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Old 11-25-2016, 01:04 PM   #260 (permalink)
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For who? Buick did this almost 40 years ago with great success. Production turbo cars have been available since early 60s.
did they have direct injection, make 360hp and be expected to live while towing 12K lbs?
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Old 11-25-2016, 01:06 PM   #261 (permalink)
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Well today I decided to finally inspect the undercarriage to try to locate a "thud" noise that I have been hearing for the last 3-4 months

It really only happens on acceleration and seems to be on the driver side floorboards areas

I know there are numerous complaints about the rear driveshaft slip yoke, but the only real way to tell this is to take off the driveshaft, pull the boot and see if its dry.......something I will let the dealership do under warranty

I checked the rear axle u-bolts, and they are tight

I jacked each from tire up off the ground and checked the ball joints, tie rod ends, and the sway bar end links..........all were tight

Any other ideas ?
wasted trans/motor mounts?
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Old 11-25-2016, 02:01 PM   #262 (permalink)
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wasted trans/motor mounts?
That is what it sounds like actually

When my Dakota's trans mount when, it sounded similar......

I would hope mine would not be shot at 35k
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Old 11-27-2016, 05:53 PM   #263 (permalink)
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Quote:
Originally Posted by D45 View Post
Well today I decided to finally inspect the undercarriage to try to locate a "thud" noise that I have been hearing for the last 3-4 months

It really only happens on acceleration and seems to be on the driver side floorboards areas

I know there are numerous complaints about the rear driveshaft slip yoke, but the only real way to tell this is to take off the driveshaft, pull the boot and see if its dry.......something I will let the dealership do under warranty

I checked the rear axle u-bolts, and they are tight

I jacked each from tire up off the ground and checked the ball joints, tie rod ends, and the sway bar end links..........all were tight

Any other ideas ?

Is it under hard acceleration, or just general driving?

My 14 does it sometimes on hard acceleration on slippery surfaces when the traction control kicks in and apply the brakes. Sometimes it sounds like the driveshaft is gonna come up thru the floor, lol!!!
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Old 11-27-2016, 06:21 PM   #264 (permalink)
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Quote:
Originally Posted by D45 View Post
Well today I decided to finally inspect the undercarriage to try to locate a "thud" noise that I have been hearing for the last 3-4 months

It really only happens on acceleration and seems to be on the driver side floorboards areas

I know there are numerous complaints about the rear driveshaft slip yoke, but the only real way to tell this is to take off the driveshaft, pull the boot and see if its dry.......something I will let the dealership do under warranty

I checked the rear axle u-bolts, and they are tight

I jacked each from tire up off the ground and checked the ball joints, tie rod ends, and the sway bar end links..........all were tight

Any other ideas ?
Carrier bearing?
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Old 11-28-2016, 06:10 AM   #265 (permalink)
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Well today I decided to finally inspect the undercarriage to try to locate a "thud" noise that I have been hearing for the last 3-4 months

It really only happens on acceleration and seems to be on the driver side floorboards areas

I know there are numerous complaints about the rear driveshaft slip yoke, but the only real way to tell this is to take off the driveshaft, pull the boot and see if its dry.......something I will let the dealership do under warranty

I checked the rear axle u-bolts, and they are tight

I jacked each from tire up off the ground and checked the ball joints, tie rod ends, and the sway bar end links..........all were tight

Any other ideas ?

I just took my 2011 in to the dealer for the same noise. They had to re-shim the rear axle pinion, install a new oil seal, and add more gear oil. There is a TSB for it. That fixed my noise.
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Old 11-28-2016, 05:43 PM   #266 (permalink)
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The noise happens under mild and hard acceleration.......not all the time, but enough to be annoying

What about the CVs on the front axle?

I will check the carried bearing........and maybe look into a one piece aluminum alternative

If I ran a one piece in my 8 foot bed truck, and I certain I can get one for this 6.5 footer
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Old 11-29-2016, 07:41 AM   #267 (permalink)
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IIRC, there is a mod out there to replace the OEM trans mount with one from a Raptor that is supposed to eliminate this issue. Mine had that as well but I never got around to swapping mounts. Lots of spooky EweToob videos out there with the camera focused on the drivertrain during launches
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Old 12-06-2016, 07:57 PM   #268 (permalink)
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Has anyone added a catch can yet? I just bought a 2012 and while doing some reading it seems mixed on whether they are needed. What is the general consensus?
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Old 12-08-2016, 06:37 PM   #269 (permalink)
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Remove any one of the intercooler or turbo piping........you will be amazed how much oil residue is in there, coating everything
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Old 12-08-2016, 06:38 PM   #270 (permalink)
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IIRC, there is a mod out there to replace the OEM trans mount with one from a Raptor that is supposed to eliminate this issue. Mine had that as well but I never got around to swapping mounts. Lots of spooky EweToob videos out there with the camera focused on the drivertrain during launches
Interesting, I will have to see how my trans mount looks this weekend

It is getting rather obnoxious
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Old 12-08-2016, 06:46 PM   #271 (permalink)
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AL3Z6068B looks to be the Raptor trans mount P/N?

I think this might be fore 2015+

Around $85
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Old 12-08-2016, 08:11 PM   #272 (permalink)
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Remove any one of the intercooler or turbo piping........you will be amazed how much oil residue is in there, coating everything
I drilled the weep hole in my intercooler and a lot of oil came out of mine too!
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Old 12-09-2016, 10:05 AM   #273 (permalink)
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Has anyone added a catch can yet? I just bought a 2012 and while doing some reading it seems mixed on whether they are needed. What is the general consensus?
I did the same research and eventually decided that it really can't hurt. Yeah, it's $300 but after you see the crud that comes out of it, you'll be glad you did it. The only way it can hurt is if you forget to empty it and it starts pumping the sludge back into the motor.
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Old 12-12-2016, 12:45 PM   #274 (permalink)
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anyone notice there MPG go down with cold weather (below freezing)? I was getting 18-19mpg during the warmer days, but now that winter is upon us (i live in WI), i am getting 15-16mpg.
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Old 12-12-2016, 01:17 PM   #275 (permalink)
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winter fuel blows.
it seems to suck even harder with forced induction. the wagon loses 2-3 mpg. I spent a month trying to figure it out last winter, gave up, and in the spring it went back to 26-28mpg on the highway.
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