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re: Truck Rear Differential question
Posted on 1/22/15 at 12:21 pm to Damn Good Dawg
Posted on 1/22/15 at 12:21 pm to Damn Good Dawg
It MAY need the work done to it but I would definitely get AT LEAST 1 more opinion.
1
Posted on 1/22/15 at 12:24 pm to Wtodd
That's what I'm gonna do. Supposed to drive to tunica Friday and now I'm debating taking the truck that far AND dropping any cash
Posted on 1/22/15 at 1:16 pm to Damn Good Dawg
Check to make sure the differential is, in fact, limited slip and then go to your local auto parts store and get 3 - 4 bottles of oil (my tacoma uses 75w90, and I would be willing to bet yours does, too) along with a tube of friction modifier and change it yourself. If it continues, then research your next step. The plug should have a magnet on it - if there isn't metal on it I would probably look in another direction.
Posted on 1/22/15 at 1:22 pm to Spaceman Spiff
quote:
Spaceman Spiff
Damn good suggestion
Posted on 1/22/15 at 1:40 pm to Damn Good Dawg
quote:If it really is your rear end, change the fluid to the correct type
He said that it's limited slip clutches in my rear differential. Said that they used to be able to use add friction modifiers but with my model they recommend replacing clutches. With parts and Labor it's $1,003
Is it constant, or does it do it quickly and go away?
Posted on 1/22/15 at 2:28 pm to Hammertime
It goes away here and there
Posted on 1/22/15 at 2:29 pm to weadjust
Came here to post that.
Known issue...
Known issue...
Posted on 1/22/15 at 9:48 pm to weadjust
quote:
TSB
10-06-06
"Special Advisory"
SOME 2009-2010 F-150 VEHICLES EQUIPPED WITH A 6R80 TRANSMISSION MAY EXHIBIT A SHUDDER WHICH IS FELT DURING LOW SPEED LIGHT THROTTLE ACCELERATION BETWEEN 30-35 MPH (48-56 KM/H), THE SHUDDER/VIBRATION EVENT OCCURS TYPICALLY WHEN THE VECHICLE DOWNSHIFTS AND THEN IS FOLLOWED BY A LIGHT THROTTLE TIP-IN. See TSB for complete details Effective date 4/01/2010
TSB
10-22-11
Some 2010 F-150 vehicles equipped with a 4.6L engine, 6R80 transmission and built between 6/1/2009 and 12/1/2009 may exhibit a shudder which is felt during low speed, light throttle acceleration between 25-45 MPH (40-72 Km/h). The shudder/vibration event typically occurs when the vehicle downshifts and is followed by a light throttle tip-in. A new calibration is available to address the concern.
I'm leaning toward this but I would change rearend oil first. It's an easy job. Use synthetic oil and you won't need to put the additive in it.
Posted on 1/22/15 at 10:22 pm to Redbone
I'd do the recal first, even on a 5.4.
Quick and easy and not dirty.
Quick and easy and not dirty.
Posted on 1/22/15 at 10:38 pm to Damn Good Dawg
1. Never trust a dealer's diagnosis.
2. Never trust a dealer's price.
3. Never trust a dealer.
2. Never trust a dealer's price.
3. Never trust a dealer.
Posted on 1/23/15 at 11:51 am to Damn Good Dawg
Ford's limited slip rear ends are garbage. Instead of paying Ford $1000 to replace garbage with more garbage Personally I would find a local 4x4 shop that can replace it with something like the Eaton Detroit TrueTrac which is a fully mechanical LS differential. It will be much stronger than the stock dif and will probably outlast the truck unlike the clutch pack eating LS rear ends Ford uses. You will be looking at around $600-650 for the parts, ~$500 for the differential and another $100-150 for the install kit (Bearings, bushings etc). Throw in a couple of hours of labor and you will be ahead a couple of hundred bucks and never have to worry about the rear end again.
Posted on 1/23/15 at 8:01 pm to VetteGuy
quote:
I'd do the recal first, even on a 5.4.
Quick and easy and not dirty.
Good point ... esp. for a guy that doesn't seem too proficient with tools n such.
Posted on 1/23/15 at 8:25 pm to Damn Good Dawg
first off your information presented is lacking to say the least.
is your truck 4wd
have you check your ujoints on the rear driveshaft for slack and/or wear
have you checks your rear axle bearings for wear, dont know much about Fords but if its a full float axle you would have 2 bearings per side that need to be maintained and preloaded properly
ford tcases are known to have output bearing problems have you checked that.
is your truck 4wd
have you check your ujoints on the rear driveshaft for slack and/or wear
have you checks your rear axle bearings for wear, dont know much about Fords but if its a full float axle you would have 2 bearings per side that need to be maintained and preloaded properly
ford tcases are known to have output bearing problems have you checked that.
Posted on 1/23/15 at 8:30 pm to Damn Good Dawg
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