Traction options?

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Franklin Jones

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Hello all!

I’m new to the forum, and new to the expedition life. Traded in a 2006 Yukon xl denali with a quarter million miles and bought a 14 Expedition EL King Ranch 4wd.

Sure enough, spent enough time at the dealership that we wound up driving home in a blizzard and I realized I know shockingly little about the traction options on the rig I just bought. I’m used to the GM’s AWD on the Yukon, and never had any issues with it. However, there were a few squirrelly points last night when the traction control engaged.

So here’s my question: Based on the build sheet below, what traction set up do I have, and should I consider adding some sort of LSD or locker?

(PS: A billion thanks to ExpeditionAndy for pulling this data for me!)

Primary Features
Build Date: 13.01.2014
Vehicle Line: Expedition (2003-)
Body Style: Extended Wagon
Version: Cargo 1519 Series
Engine: 5.4L 3V V8
Transmission: 6 Speed Automatic Trans (6R80)
Drive: LHD 4WD (PTD)
Axle Ratio: 3.73
Emission: With 49 State/Non Green State Req
Air Conditioning: HD ATC Air Conditioning
Territory: (+)"USA"
Paint: White Platinum

Minor Features
  • Charcoal Black Interior
  • Leather 2 Tone
  • Less Underbody Protection
  • With Power Liftgate
  • With Under Floor Stowage
  • 131"/3327.4MM Wheelbase
  • King Ranch Version
  • (-) Version Packages
  • Less Special Purpose Vehicle
  • Kentucky Truck Plant Build
  • Less Convenience Group
  • Less Special Value Packages
  • With Memory Pack
  • Feature Content Group 1
  • With Roll Stability Control
  • Group Market #1
  • With English Language Label
  • Owner Hand Book Pack
  • With Electric Rear Quarter Window
  • With Privacy Glass
  • With Front Side Standard Glass
  • With Mini Overhead Console
  • Flowthru Console With Leather Lid
  • Memory Adjustable Foot Pedals
  • With Carpet Floor Covering Level 1
  • Front Floor Mats - King Ranch
  • Rear Floor Mats - King Ranch
  • S/V-DU Drivers Illum/Garage Dr Open
  • Less Stowage Bins
  • With Cargo Area Mgmt System Level 1
  • With Power Deployable Running Board
  • Chrome-Plated
  • With Chrome Roof Rack W/Cross Bars
  • With Accent Wheel Lip Moulding
  • Lower Painted Cladding
  • With Electrochromic R/View Mirror
  • Driver Pwr Fold/Pwr Adjust Mirror
  • Pass Power Fold/Power Adjust Mirror
  • Exterior Mirror Finish - Chrome
  • With Signal Mirror System
  • With Drivers Heated And Cooled Seat
  • With Pass Heated And Cooled Seat
  • With Heated Rear Seats
  • With Leather 2nd Row Seat Material
  • With 2nd Row Dual Captain Chairs
  • With Third Row Power Folding Seat
  • With Driver 10 Way Pwr Seat Adjust
  • With Pass 10 Way Power Seat Adjust
  • With Programmable Driver Seat
  • With 3rd Row Vinyl Seat Material
  • With Heavy Duty Trailer Towing
  • With Front Towing Hook
  • With Trailer Sway Control (TSC)
  • With Chrome Exterior Door Handle
  • Extended Wagon
  • Frequency - 315MHZ
  • Rain Sensitive Windshield Wipers
  • Power Tilt/Slide Sun Roof
  • Front Bumper Painted Accent Colour
  • Rear Bumper - Step Accent Colour
  • With Front Licence Plate Bracket
  • Belt/Dr & Pa Fr/1,2&3 Row Restraint
  • With Steel Spare Wheel
  • With 4 Wheel Tyre Pressure Sensors
  • 8.5 X 20" Alloy Wheel Style 1
  • P275/55R20 A/S
  • With Super Engine Cooling System
  • Less Immersion Heater
  • With 49 State/Non Green State Req
  • Self Lvlling Rr Suspensn - Nivomat
  • 3.73
  • Less Rear Axle Limited Slip Diff
  • 5.4L 3V V8
  • With Chrome Exhaust Pipe Extension
  • With 4 Wheel Disc-Brake
  • Integrated Brake Control
  • Normal Fuel Fill
  • With Remote Starter - FIA
  • Heavy Duty Aux Trans Oil Cooler
  • 4X4 2 Speed Transfer Case With Tod
  • FFV-(Ethanol) Fuel
  • With Man Rake/Floor Shift Strg Col
  • King Ranch Leather Steering Wheel
  • Redundant Controls - Steering Wheel
  • With MPH/KMH Speedometer
  • With Message Centre
  • With Reverse Proximity Sensor
  • With Front Parking Aid
  • Standard Duty Battery
  • 110v Alt Current Oulet-In Cab
  • AM/FM Str/CD/Clk/Navig System
  • With Satellite Radio Reception
  • With NAAO Radio Frequency
  • Less Headphones/Sockets - Rear
  • Premium Sound System Level 2
  • Less Television Package
  • With Media Gateway Module
  • With Universal Garage Door Opener
  • Rr View Camera-Lic Plate Area Mount
  • With Complx Refect Headlamp Design
  • Less Daytime Running Lamps
  • White Platinum
  • Generic Country Group 1
  • Cargo 1519 Series
  • 6 Speed Automatic Trans (6R80)
  • Expedition (2003-)
  • (-) GVMT Service Administration
  • (-)"CDN"
  • (-)"GU"
  • (-)"BRN"
  • (-)"BZ"
  • (-)"IS"
  • (-)"ATG"
  • (-)"PH"
  • (-)"AW"
  • Less Fleet
 

John Kohler

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I believe the 3.73 is limited slip and standard on the EL version. I'm curious what drive mode you were in. In my experience, your tires are much of the blame for poor traction in snow. I haven't had my Expedition out in the snow yet, but my Kia Borrego had a similar system and did well in the snow. The Kia didn't have 2H. The standard drive mode was 4A and the owner's manual stated I could drive up to 50 MPH in 4H. I used 4H in heavy snow, but usually 4A handled the snow fine.
 

jkayca

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Snow tires will get you the traction you need. I drove home last night in a blizzard too. With my snows on I barely used 4 auto or full time 4 wd.
 

Derp

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+1 for winter/snow tires or at the very least, a top rated All Terrain tire for snow conditions.

No LSD in any 2015s. From a quick look at the brochure for 2014s, they don't have an LSD either. Most likely you just have a center lock/ 4x4 transfer case with open diffs in the front and rear. I don't think a locker should be looked at as a solution for on-road conditions. LSD, maybe, if you are still struggling with proper tires.
 

Icemanjones

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Adding a locker is a quick way to snap IFS/IRS shafts. Does the 2014 4wd not have control trac? i thought those worked decent? Anyways I would agree with choosing the right tire. Short of snow chains they are your best bet for traction on-road.
 

p38fln

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I literally just traded a 2006 Suburban for a 2008 Navigator and the Navigator blows the Suburban's traction control away. They both had about 50% remaining on the tires, and both vehicles go just fine in a straight line, but whatever the Navigator does so that you can have 4WD and turn at the same time is freaking amazing. The Suburban had auto 4x4, but it completely locked the front and rear together as soon as it engaged so it was nearly impossible to use it in a slippery parking lot (while trying to maneuver with the wheels turned) because it would LURCH into 4x4, the thing would suddenly jump sideways - it was just no fun. The Navigator seems to pulse it on and off or something and will pull into a slippery parking spot with ease. It's a shorter vehicle, but this has nothing to do with vehicle length.
 
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Franklin Jones

Franklin Jones

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Thanks everyone.

The tires on the Expy are... awful. A mix of brands, tread between 3 and 5 32nds. Replacing them is likely going to be #1 on the list.

I was on the interstate, started off in 4x2, and as things got bad and I didn’t feel safe over 45mph, I switched to 4H.

Honestly, the roads were just bad, visibility was worse, and the worn tires weren’t up to the task. I was just literally driving home from the dealer, and wanted some expert opinions on the traction situation.

The 14 *does* have traction control, it just threw me off to actually see it and feel it kick in.

Thanks again, all!
 

bobmbx

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Thanks everyone.

The tires on the Expy are... awful. A mix of brands, tread between 3 and 5 32nds. Replacing them is likely going to be #1 on the list.

I was on the interstate, started off in 4x2, and as things got bad and I didn’t feel safe over 45mph, I switched to 4H.

Honestly, the roads were just bad, visibility was worse, and the worn tires weren’t up to the task. I was just literally driving home from the dealer, and wanted some expert opinions on the traction situation.

The 14 *does* have traction control, it just threw me off to actually see it and feel it kick in.

Thanks again, all!
Wait till you experience the RSC engaging. Its unnerving to say the least.
 
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