Transgo 4l60E-HD2
#21
I'd use ebay. 1-2 accumulator piston Transtar under $10 USD.
#22
Amazon has both pistons in a kit for $19 which is a bit high, but with free shipping.
https://www.amazon.com/ACDelco-24221..._d_product_top
So the kit part # seems to be 24221919
https://www.amazon.com/ACDelco-24221..._d_product_top
So the kit part # seems to be 24221919
Last edited by Jays_SSZ28; 01-19-2018 at 07:20 PM.
#24
Jay: I'm just saying that since e.g. the 2nd accumulator is about the last thing installed, it should be documented on Page 5, not Page 1. Sure you know it by heart, but having helped people on this forum, by email and by phone, the instructions are very confusing and sparse to a first-timer.
Meaning you can set up the 1-2 accumulator, then put it aside.
Set up the valve body, set it aside.
set up the servo, set it aside.
Drill out the plate, set it aside.
PAGE 1
Step 1 Set up and Install the servo. (good to do with the valve body is set aside and you can see the band)
Step 2 Remember what piston size you have (second servo) remember it so you can choose the right accumulator spring IN THE VALVE BODY.
Page 2
Do all the work to the valve body and turn the page.
Page 3
Put the converter isolator valve in. Now set the valve body aside.
Page 4
Drill the holes in the plate and set it aside.
Install the boost valve.
Page 5
Grab all the parts you have setting and ready to go and install them on the transmission.
This is so you can concentrate on one thing at a time.
#25
Moderator
Oops, I did not intend to link to a plastic piston; I thought it was aluminum. I have only disassembled a handful of older 4L60E, but at least 50% of the plastic pistons were cracked. Perhaps the new ones are better, but the aluminum seem like the safest bet.
#27
TECH Junkie
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