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- เผยแพร่เมื่อ 15 ก.ย. 2024
- GM 4L60 (700-R4) and 4L60E series reaction shafts often suffer from spline twist and wear in high-torque applications due to the soft, weak steel of OE and most aftermarket shafts. This new #Sonnax heavy duty reaction shaft (#74602-01K) is made from high-strength chromoly steel alloy to eliminate these problems. It's also a universal fit for all carrier styles thanks to the included bearing and shim, making it an easy, reliable way to build extra durability into any big power 4L60E transmission. Watch this video to see how it all comes together! Click here to learn more: www.sonnax.com...
When retro fitting into a 700r4/4L60 do you use the shim with the bearing with the smart shell and reaction shaft combo
Our tech team would be happy to help you directly. They can be reached via email at sonnaxtechsupport@sonnax.com, or phone at (800) 843-2600 ext. 398. Thanks for reaching out!
Where or how do I get 1.675 long spline ring gear for the 700r4 sonnax smart tech drum
Hello, we recommend checking with Transtar. If you need any additional help, feel free to reach us via email at info@sonnax.com, or phone at (800) 843-2600 or +1 (802) 463-9722. Thank you, and have a great day!
@@sonnax thanks
Disassembled 4L60 from 2006 Suburban, the reaction support (685) GM #24225931 is staked to the output shaft, two heavy dimples on the front face of the gear plate.
Have you ever seen one of these, and why is it staked on?
This is a 4WD output shaft, also. Another thing.. where the case bushing (7) is pressed into the bore, there are two oil passages that are mostly covered by the bushing, at the notch positions, and definitely allow oil to pass into the after-section, case extension (6-bolt, for the 4wd adapter to the t-case).
Why in the world would anyone want ATF to pass into the extension adapter for the 4WD application ? The oil is just pooled in this area, cannot, obviously enter the t-case, due to input shaft seal, and there is no drain-back holes into the transmission body. When I loosened the adapter nuts to take down the unit, ATF poured out of this volume, and, of course, on the 4L60E, there is no case rear seal, as in the 4L80.
So, what is the purpose of these two oil passages that trench under the case rear bushing ?
@@boogerhead0 Our tech team would be happy to help you. They can be reached directly via email at sonnaxtechsupport@sonnax.com, or phone at (800) 843-2600 ext. 398. Thanks for reaching out!
At about how much power do you start seeing the splines twist ???
Spline twist is a factor of four variables: power, weight, traction and firmness of shifts. Generally speaking, this part becomes a liability at 650HP -750HP. Thanks for your question, and have a great day!
@@sonnax thanks for the reply this was very helpful 👍
I know this item will cost a mint.
Stop drinking coffee or beer for a few weeks and you can afford it.