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Thread: 4l60e- What years will interchange on trucks?

  1. #1
    Senior Member Sneakysportsman's Avatar
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    4l60e- What years will interchange on trucks?

    Since the price of gas is rising and our pathetic president is sitting back laughing cause he is getting richer off the American public from his oil wells in TX, I have detuned my motor. I have scaled the 400 horse sleeper back to around 300. I decided to install a new set of headers, and while burning max fuel I finally blew the trans. I have searched the internet and I have noticed that 4l60e trans were used from 93 to 04. But no one sell a trans marked for a 95.

    My question is What years will inter-change with a 95?

    I will buy one tomorrow no matter what.
    But I would like to save some money for the Chiefs retirement.

  2. #2
    Senior Member keithr0005005's Avatar
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    unfortunately for you from what i understand 95 was an odd ball year and only another trans from a 95 will work. i happen to have one out of a 95 if you're interested haha i pulled it out of a friends truck when he wrecked it for mine as a spare but after further investigation found that it wouldnt work.

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    93,94 then 95 by itself, 96-2007

    you can use any of the years the only difference is the top solenoids by the lock-up switch, 93,94 has only one, 95 has two on-off solenoids, 96-up has two 3-2 downshift solenoids, they are like $15 a piece and take about ten minuets to change. Just get two on-offs and ur set

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    Cool answer to ur question

    93,94 then 95 by itself, 96-2007

    you can use any of the years the only difference is the top solenoids by the lock-up switch, 93,94 has only one, 95 has two on-off solenoids, 96-up has two 3-2 downshift solenoids, they are like $15 a piece and take about ten minuets to change. Just get two on-offs and ur set

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    Senior Member gmctrucks's Avatar
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    That happen to me also but the guy said that it wouldn't work from a 95 model I think he said that it was something with the wiring harness I still have the transmission two soleniods were changed on it because the trans pan was bent bad when the truck crashed oh by the way my truck is a 93 model sure would be nice if you could post pictures so that all of us can see what your talking about or should I say I want to see a picture of it also my buddy had already replaced the front and rear seals as well. Take care!

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    I have a 1992 chevy z71 4x4 and I'm confused as to what year transmissions will work in it I know for sure it has the 4l60e but is there any difference in 92 up transmissions?

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    Resurrecting a 5 year old thread is probably not the best way to get answers.
    1994 C2500 2WD, 305, 4L60E, service body.

  9. #9
    Senior Moderator chevychase's Avatar
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    If this is your 94 ? 93 will swap with no changes..95 year only. Others will swap with changes here is something from the link i left you.
    None of the '93 -'97 4L60E's are directly interchangeable, except '93 and '94 and '96 and '97!!! Here's a list of yearly differences that will show you why. Yes, some years will fit in others and may not even throw a code, but there will be an issue in the long run. The big issues become forced 3-2 downshifts, and converter lock up issues and burnt lock up clutches. When a converter cluych cause it to lose lock up, the 3-4 clutches, in the transmission will soon follow because the 3-4's need lock up to keep them cool while cruising in overdrive.

    1993: These were used in TRUCKS only. Not available in F-Bodies, B-Bodies, or Vettes

    1994: Interchangeable with '93 4L60E with no modifications. The '93-'94 is a NON PWM transmission. This means that the lock up apply strategy is an on /off arrangement. It has an 11 pin case connector. Does not have PWM cast into front pump. 1 piece TCC control valve in the valve body. Plate has holes in plate, marked in diagram below. 1st design 3-2 valve

    1995: Stand alone year! Will not interchange with any other year. This is a PWM transmission. An extra solenoid was added to the valve body to control the pulsed lock up strategy of the conerter clutch. It has a 12 pin case connector, extra wire in the transmission to computer harness and different computer to control the new PWM circuit. Has PWM cast in front pump. Front pump internal passages different to match new TCC strategy. 2 piece TCC control valve in valve body. Has holes in plate, marked in diagram below. 1st design 3-2 valve. 12 pin case connector. '94 computer won't recognise new TCC strategy., and will burn lock-up clutch and 3-4 clutches up. '96 computer isn't compatible with '96 3-2 control solenoid.

    1996: The 3-2 downshift strategy was changed to an on /off arrangement. The TCC control solenoid was changed to a 20-31 OHM solenoid, from the previous 10-15 OHM solenoid. The 3-2 control valve was changed to the second design valve. The easiest way to identify the valve is, the second design valve will fall out as soon as the solenoid is removed. The first design has a plug and retaining clip. TCC solenoid remains 10-15 OHMs, which is the same as the '95 arrangement. Has PWM stamped cast in pump. pump is the same as '95. Will not interchange with '95 unless changing 3-2 solenoid, valvebody casting, and seperator plate. Has holes in plate marked in diagram. '94 or '95 computer will not accept the 20-31 OHM 3-2 solenoid and will throw an SES light and throw the transmission into limp mode. Some less knowledgeable builders will swap the solenoid so the computer will see the correct resistance, but the valve itself then causes downshift issues. If only the solenoid is changed, it will result in a 3-2 downshift cut loose. In other words...3-neutral-2 downshift. Speedo moved to passenger side of tail housing, but easily changed.

    1997: Basically the same as '96.

    Great link will not find any better on the web

    Gitter done have fun. Running on empty...running blind...running behind.....

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