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working on 4l60e

7.5K views 65 replies 6 participants last post by  n8rsk8r  
#1 ·
timeline:
dad bought a 2001 s10 blazer with no forward or reverse

i removed the trans and replaced the stripped reaction gear and shell

truck drove great except for a p1870

installed transgo parts to get rid of ses light

truck 'hunted' for lockup around 52mph, before or after around 52, it was good

years later:
truck developed a terrible pump noise but still shifts fine and no ses lights

i have a known good 30k mile 4l60e from an 03 2wd truck that i stripped and found a nearly stripped shell and reaction gear in it
everything else looks real good

https://www.facebook.com/media/set/?set=a.220553524630004.61095.100000260734550&l=c0c24da4e9
 
#3 ·
Hey good to know, err.. sorta. What did you guys do? Did you order the Sonnax shell? Or "the BEAST" shell? I have an extra trans laying around. I maaaaay buy the parts and replace/rebuild the trans.. or just have them PATC build it and ship it to me.. have not decided. Heard the 4L60E is pretty simple as far as transmissions go.. and the 4L60E is just the electric version of the 700R4 trans.
 
#4 ·
we haven't ordered any parts yet this time

last time, we ordered a shell from the dealer and the sonnax p1870 kit

they are fairly simple considering some others i have had on the bench

if you have one laying around, you should just pull it apart so you know what is in there
 
#9 ·
Major oversight on new process 236 transfer case

the transfer case was empty when i pulled the trans

while taking it apart, i had trouble getting the case off of the output shaft

the speed sensors WILL hold the output shaft in

make sure to take them out first
 
#14 ·
tentative parts list:

the beast -
http://cgi.ebay.com/ebaymotors/700R...0499403?pt=Motors_Car_Truck_Parts_Accessories&hash=item3a66a9ae4b#ht_500wt_1182

probably installing the beast shell with the newer torrington bearing instead of the thrust washer

"all the updates"
http://cgi.ebay.com/ebaymotors/4L60...USTER-UPDATE-KIT_W0QQcmdZViewItemQQcategoryZ33727QQitemZ350397097868#vi-content

included: new spacer plate, pinless pistons and other fixes and gaskets

new front pump

new planets

fluids
dex 3 and autotrak
 
#28 ·
you may want this
http://www.transtar1.com/catDownload.asp?ID=772
yes save it to your computer, you will want it later

and here is a link to transtar's home page,
http://www.transtar1.com/default.asp
i HIGHLY recommend ordering from them if you need anything else, honestly if you are going through the trouble of tearing the trans appart, you might as well get a master overhaul kit, if not a deluxe kit, and at the very least, a less steal kit, also a good thing to look into is a Zpack, especially for your 3-4 clutch