4r70w Hydraulic Diagrams

As mentioned previously the wider 2 inch overdrive band and reverse clutch drum improve durability.

4r70w hydraulic diagrams. It is recommended that you use the us shift wiring harness with this system. This is simply a computer controlled aod rst introduced in model year 1980 2003. I show checkball locations and a new tuff plate that i use also at the. General description and electrical components 4r70w 3 neutral shift and forward clutch burnt sleeve dtc p0741 p0750 p0755 p1746 4r70w valve body changes for 2001 loss of epc pressure intermittent or total loss of vss signal.

These changes have affected nearly every part used in the aod e including two name changes 4r70w and 4r75e. 107 avenue miami florida 33157 305 670 4161 1 no part of any atsg publication may be reproduced stored in any retrieval system or transmitted in any form or by any means including but not limited to electronic mechanical photocopying recording or otherwise without written permission of automatic transmission. This system works with all 4r70w 4r75 and aod e automatic transmissions. Get 4r70w transmission rebuilding tips 4r70w troubleshooting help 4r70w technical service bulletins 4r70w diagnostics and 4r70w technical information from trnw.

Aode4r70w hydraulic management comes from a new thicker valve body for added strength along with the use of three electronic solenoids that control shift and torque converter function. Dynax frictions which have a proven track record are a great choice for an aod build. In this video i overhaul a 4r70w valvebody talking about 3 valves if restricted or stuck can cause drivabilty issues. 3 contents preparation page 4 connecting the essentials page 5 setting up the quick 1 page 9 notes on installation page 11 transmission diagrams page 13 optional features page 18 manual shift connections page 21 shiftware page 27 important.

Ford automatic transmission 4r75e 4r70e 4r75w 4r70w all the above transmissions are. Ford aode transmission introduced for passenger cars. This is part 1 of my first transmission rebuild follow along as i learn what it takes to assemble a 4r75e. Ford 4r70w technical specications 1993 12.

Aode 4r70w 4r70e 4r75e automatic transmission service group 18639 sw. Since the introduction of the aod e transmission in model year 1992 there have been many major engineering design changes to improve durability and reliability. Ford changed the ring. Two of these solenoids control shift function.

The third is for torque converter lockup function only. Aode 4r70w 4r70e 4r75e update handbook atsg pdf free online. Ford also introduced the 4r70w transmission the same year which is basically the same transmission except has lower gear ratios in 1st 2nd reverse and more overdrive ratio for economy. The entire aode4r70w geartrain can be swapped into the aod with great results which takes the confusion out of improving the aod.

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