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  1. 03-05-2009, 07:41 PM #1
    tajohns34
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    Default 92 Transmission not shifting properly

    I bought a 92 K1500 with a 4speed auto about a month ago. The other day it started shifting funky. We took it to a local shop and they said it needs a new transmission. However, after shopping I don't know which on I have. Is it a 4L60 or a 4L80? They said it is electronically controlled. Is there a number stamped somwhere that I should look for? Also, If anyone is selling a transmission for this truck I might be interested.
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  2. 03-05-2009, 07:49 PM #2
    Jimmiee
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    You probably have a 4L60E if it's a 1500. What is your transmission doing wrong. Are you sure it needs a rebuild?
    Jim

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  3. 03-09-2009, 12:24 PM #3
    tajohns34
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    I took it to a local shop and they said that it probably needs a transmission. However, they tried a flush and it is shifting fine now. Does anyone think that If I added a transmission oil cooler it might extend the life of my old transmission?
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  4. 03-09-2009, 02:00 PM #4
    silveradotrailblazer
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    Thumbs up 92 transmission not shifting properly

    I thinks some early 90s 1500 had 700r4. As far as tranny cooler, get the biggest tranny cooler you can fit onto truck. Trannys can never be to cool. Also try a larger aluminum trans pan as they als help cool the fluid.
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  5. 03-09-2009, 03:19 PM #5
    Jimmiee
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    Quote Originally Posted by silveradotrailblazer View Post
    I thinks some early 90s 1500 had 700r4. As far as tranny cooler, get the biggest tranny cooler you can fit onto truck. Trannys can never be to cool. Also try a larger aluminum trans pan as they als help cool the fluid.
    Agreed, a transmission cooler will prolong the life especially if you tow or haul heavy loads. The Borg /True Cool style cooler is the best type IMO.
    Jim

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  6. 03-09-2009, 03:46 PM #6
    k.daddy1
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    92 Chevy 1500 should have the 4L60. The 4L60E will have an electrical connector on the back passenger side above the pan. Tranny cooler a definite +.
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