From our favorite Youtube Ford Technician!
https://www.youtube.com/watch?v=ATRwt32FkSY
Senior Member
Ford 4R70W Series Transmissions: Fluid & Filter Change
From our favorite Youtube Ford Technician!
https://www.youtube.com/watch?v=ATRwt32FkSY
Current Garage:
2005 Mustang GT Premium
2019 Ranger Lariat Super Crewcab 4WD
2015 Triumph Trophy SE
“You've gotta dance like there's nobody watching,
Love like you'll never be hurt,
Sing like there's nobody listening,
And live like it's heaven on earth.”
― William W. Purkey
Senior Member
Ford 4R70W Series Transmissions: Tailshaft Housing Replacement
Here's another Youtube clip from FordTechMakuloco. I found this one most interesting as Mo's Speed Shop changed my tailshaft housing out with the custom unit with forced tailshaft bearing lubrication.
https://www.youtube.com/watch?v=TK18Ne1LU4Y
Current Garage:
2005 Mustang GT Premium
2019 Ranger Lariat Super Crewcab 4WD
2015 Triumph Trophy SE
“You've gotta dance like there's nobody watching,
Love like you'll never be hurt,
Sing like there's nobody listening,
And live like it's heaven on earth.”
― William W. Purkey
Senior Member
personally, I have never seen a tailshaft housing fail this way, but my understanding is this type of failure most often happens on trucks and vans and vehicles from the salt belt.Originally Posted by Invective
I rebuild AOD/AODE/4R70W/4R75E Transmissions, check out my Facebook page for my latest project; https://www.facebook.com/pages/North...48414635312478
60's Street-Strip Racer
Isn't this failure also caused by exceeding the "critical speed" of the stock steel MM driveshaft?
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Ride 1: 2003 300-A MM, black (naturally), K&N cold air, Granitelli Racing coils, Kybe shocks, Autometer "real" oil pressure and voltmeter, 14 inch front rotors and stainless lines from TCE with 6-piston Wilwood calipers and Hawk HPS pads, cryo-treated slotted rear rotors with TCE stainless lines and Hawk HPS pads, tune by Lidio, LED headlamps. Coming Soon: LED foglights, 200 Amp Alternator.
Ride 2: 2001 Kenny Brown "Panther 2" Crown Victoria, Black. K&N cold air intake to Allen Engine Development supercharger system with water-to-air intercooled Eaton MP-90 at 8 pounds. Extensive chassis bracing, Brembo 4-piston front calipers on 13 inch rotors with stainless lines. Trunk-relocated Optima Red-Top. 5000K Bi-Xenon HID's. And much, much more.
Senior Member
from my limited experience with it, when the extension housing fails from exceeding critical speed with stock drive shafts, the housing fails catastrophically and breaks into at least 2 or 3 pieces.
I rebuild AOD/AODE/4R70W/4R75E Transmissions, check out my Facebook page for my latest project; https://www.facebook.com/pages/North...48414635312478
Sick-Speed play toy
Yep. I replaced one on my old ‘03 E250. I had never heard of one cracking and was surprised when the local dealer had them in stock as part of fleet contracts with the local utilities. He claimed it is a quite common failure.
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SOLD 12/31/2021
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