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1994 C1500 Transmission

This is a discussion on 1994 C1500 Transmission within the Technical / Maintenance forums, part of the General Discussion category; My dad has a 1994 C1500 ECSB with a 350cid and the 4 speed auto. What kind of trasmission exactly ...

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    Member # 10583 Ross's Avatar
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    1994 C1500 Transmission


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    My dad has a 1994 C1500 ECSB with a 350cid and the 4 speed auto. What kind of trasmission exactly does the truck have? 4L60, 700R4, etc.
    1996 GMC Sierra RCSB
    4.3L V6 - 4L60E - 15" stock aluminums - 3.42s - slow weekend warrior
    2004 Chevy Tahoe LT
    5.3L V8 - 4L60E - 17" stock aluminums - 3.73s - less slow daily driver

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    loves Mickie James oldred95's Avatar
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    Re: 1994 C1500 Transmission

    4L60E
    1995 Silverado - ported vortec heads, 4L80E, efans, LT4 Hot Cam, Rear disc brake conversion w/drilled and slotted rotors
    1999 NBS Silverdo - transgo HD2 shift kit, 3 inch dynomax ultra flow, Ford keys and 305/70-16 Mickey ATZs

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    Other People's Kids Harsh's Avatar
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    Re: 1994 C1500 Transmission

    best way to check is look inthe glove box at the RPO codes. You can also look on the tranny on the passenger side. The code will be stamped on it. Do a search for RPO codes. There is a PDF file somewhere here on the board.
    2000 Blue ECSB

    SOLD...1994 Teal RCSB 2wd
    4.3L...4L60E...14 bolt SF with 3.73 LS
    lowered 2/4 on 20" Enkei RT6's with Yokohama Geolander H/T-S G052 rubber

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    loves Mickie James oldred95's Avatar
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    Re: 1994 C1500 Transmission

    He could but its got a 4L60E. 88-92's had the 700R4, 93 on has the 4L60E.
    1995 Silverado - ported vortec heads, 4L80E, efans, LT4 Hot Cam, Rear disc brake conversion w/drilled and slotted rotors
    1999 NBS Silverdo - transgo HD2 shift kit, 3 inch dynomax ultra flow, Ford keys and 305/70-16 Mickey ATZs

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    Member # 10583 Ross's Avatar
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    Re: 1994 C1500 Transmission

    Quote Originally Posted by oldred95
    4L60E
    I have a 4L60e, my dads truck lacks the transmission computer under the hood and the gear selector actually puts the transmission in gear, unlike the 4L60e which runs a cable and the gear selector is just a big switch.
    1996 GMC Sierra RCSB
    4.3L V6 - 4L60E - 15" stock aluminums - 3.42s - slow weekend warrior
    2004 Chevy Tahoe LT
    5.3L V8 - 4L60E - 17" stock aluminums - 3.73s - less slow daily driver

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    loves Mickie James oldred95's Avatar
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    Re: 1994 C1500 Transmission

    Are you talking about the box on the drivers side fenderwell? That is the fuse panel and the ABS chit. The transmission is controlled by the trucks computer located behind and under the glovebox. Not real sure what you mean by the gear selector puts the transmission into gear. On my 95 there is a cable that goes from the gear shifter to the transmission and thats what changes gears. I think my brothers 94 has a linkage system instead of a cable but it does the same thing. The 94 and older is just a little mechanical needle that moves with the gear shifter to show you what gear your in. 95 and up uses the little orange light. The gear shifter does put the transmission in gear to.
    1995 Silverado - ported vortec heads, 4L80E, efans, LT4 Hot Cam, Rear disc brake conversion w/drilled and slotted rotors
    1999 NBS Silverdo - transgo HD2 shift kit, 3 inch dynomax ultra flow, Ford keys and 305/70-16 Mickey ATZs

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    Member # 10583 Ross's Avatar
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    Re: 1994 C1500 Transmission

    Quote Originally Posted by oldred95
    Are you talking about the box on the drivers side fenderwell? That is the fuse panel and the ABS chit. The transmission is controlled by the trucks computer located behind and under the glovebox. Not real sure what you mean by the gear selector puts the transmission into gear. On my 95 there is a cable that goes from the gear shifter to the transmission and thats what changes gears. I think my brothers 94 has a linkage system instead of a cable but it does the same thing. The 94 and older is just a little mechanical needle that moves with the gear shifter to show you what gear your in. 95 and up uses the little orange light. The gear shifter does put the transmission in gear to.
    Ok, I didn't know that the earlier 4L60-Es had shift linkage. I knew that Turbo 350s, 400s, 700R4s, etc. had the shift linkage. I thought that the 4L60-Es were exclusively cable shifted transmissions.
    Thanks. Looks like my dads transmission is going out and was just curious what kind of transmissions the 93-94s had.
    1996 GMC Sierra RCSB
    4.3L V6 - 4L60E - 15" stock aluminums - 3.42s - slow weekend warrior
    2004 Chevy Tahoe LT
    5.3L V8 - 4L60E - 17" stock aluminums - 3.73s - less slow daily driver

 

 

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