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4L60E no 2nd - 3rd

This is a discussion on 4L60E no 2nd - 3rd within the Automatic Transmission forums, part of the Drivetrain category; From doing some reading over the forums here and there. i replaced the tps (38$) and fluid, filter. I checked ...

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    4L60E no 2nd - 3rd

    From doing some reading over the forums here and there. i replaced the tps (38$) and fluid, filter. I checked the 2 sol 1-2 and 2-3 on the back of the val body removed and inspected them looked good. Its a 96 Chevy X 1/2 ton with 86K miles, father was pulling a trailer with 2 4 Weller's on it when he claimed the trany jumped into neutral and had it towed in. when i test drove it it has no 3rd it tries but not there. and after the upper repairs its still the same with no changes any idea's or a price on a rebuild kit for this thing?
    edit "forgot to add i ran a scan on this thing and had no codes stored"
    Last edited by Tennessee; 09-27-2006 at 08:08 PM. Reason: forgot to add that i scaned the ecm

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    Member performabuilt's Avatar
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    Kits are not that expensive if your just doing a stock rebuild ,I would do all the undates however and either use a z pack or 9 friction in 3-4 clutch ,and a heavy duty or beast sunshell for sure ,
    performabuilt

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    so we can say its time for a rebuild on this trany? Would i need any other type of tool other than my old 350 turbo tools that i used to rebuild in my day.

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    tools

    actually no you wouldnt the tools still work the same way lol , just use great care theres a little more to these than the th350 I havent built one of those in years
    Last edited by mrr23; 11-26-2006 at 05:59 PM. Reason: removed link to website. contact ed blown vert for sponsor information.

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    Sweet the rebuild went smoothly but had 1 boo boo. After pulling the trany out and placed in the working area i went to remove the front pump not knowing that there was a sensor stuck into the front pump. After pulling and tugging on the pump i broke it a little well i heard a crack, boy did i say everything under the book after i removed the pan and finding this thing stuck up inside of the pump. So i removed this sensor and only broke 1 side of the housing.
    this thing looks that it doesn't get side to side traffic but all in all its a sensor.
    I have the trany back together and in the truck with it almost ready to go.
    Should i replace this thing before filling up with fluid or run it?
    and what does it do?

    BTW the 3/4 clutch pack was burt out.

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    Member performabuilt's Avatar
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    The sensor your speaking of is the lockup solinoid and yes replace it before you fill up with fluid or drive it
    PerformaBuilt

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    OK 1 more note truck runs fine down the road but when stopped the thing acks like a 1k stall speed but once u give a little gas it hits the gear and takes off. rebuilt pump, converter and new kit with steals. also installed the new lockup solenoid.

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    have you rechecked the fluid level might be low, or the lock up isn't working

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    fluid is good, and has goten worse has it got warmer, it has a slip sound and doesn't sound good. going back into the thing to see what went wrong.

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    Let us know if you need and information , and just checking did you make sure and get the three 8mm vb bolts in there proper locations ,
    performabuilt

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    hmm not sure on the 3 bolts could that cause like pressure lose when the fluid gets hot? i placed the bolts where i tought thay went to lenth. i know i got the bolts back in place on the pressure plate right. o and thx for the support. im headed back down to drop the fluid and look at things in the pan, and come back to look for a reply.

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    ok i tore down the trany and took a shot of the vb to see where these 3 bolts go i have labled a pic with #'s so it would be easy to refer to

    and found the slip sound in the img below

    and the other end of the missing bearing i could have swore i put 1 in there.

    tomorrow i will try and run down some o'friends to see if i can find some trany parts to replace my boo boo.

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    Member performabuilt's Avatar
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    ok 11 12 13 are the positions the 8mm bolts go in ,
    but on the missing thrust washer there is not one in that position in the 4l60e there was in the early 700r4 but theres nothing supposed to go there , but you do have a problem please check the bearing inder the sun gear and sprag , also make note of wether one of the overun clutches maybe was under the splines on the sprag pushing it up maybe ?
    Last edited by mrr23; 11-26-2006 at 05:55 PM. Reason: removed link to website. contact ed blown vert for sponsor information.

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    i know its a little late on the reply but yeah one of the overun clutches was under the splines on the sprag pushing it up

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