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Chevrolet transmissions & drivetrains repair questions and answers

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  • camochevyk2500
    camochevyk2500 - 1988 Chevrolet K2500 - Transmissions & Drivetrains - 12/9/2014
    Will my 88 700r4 shift without the ECM?
    got a 350 tbi im swapping to a carb setup. I was just wondering if my trans will still shift normally when I take the computer out or will I have to swap it to. I believe the 700r4 wasn't electronic until 94 but im not to certain on that. what other problems may I ...
     
    • Teddy B
      12/9/2014 Teddy B
      It will-- if it is-- a 700R4 & has a throttle valve & the cable going to the throttle body originally

      You can buy a bracket for a carb or use another GM Mounting bracket to work with a carb

      I believe your computer or ECM only was for the TBI Fuel Injection & you had a BCM for
      A/C & other body functions

      Your biggest issue will be going to inspection if you have that where your at

      So leave the exhaust converter on there

      With a carb I found your best to take out all the timing advance & let
      the motor fire late & have the converter do all the work

      That way you get good numbers at inspection on the CO reading
      Then set it back to whatever you want after inspection

      The other issue is how was it shifted into 4th gear?
      Any vacuum controls there--look on the radiator support diagram for vacuum
      hose & emission info
  • cryarim77
    cryarim77 - 2012 Chevrolet Colorado - Transmissions & Drivetrains - 12/8/2014
    Released clutch loud bang
    Released clutch from heard a loud bang then bed of truck and axle are separated can't go past idle speed, as engine breaking down a 60 degree decline I have a loud grinding noise in rear end
     
    0 answer
  • cryarim77
    cryarim77 - 2012 Chevrolet Colorado - Transmissions & Drivetrains - 12/8/2014
    Released clutch loud bang
    Released clutch from heard a loud bang then bed of truck and axle are separated can't go past idle speed, as engine breaking down a 60 degree decline I have a loud grinding noise in rear end
     
    0 answer
  • cryarim77
    cryarim77 - 2012 Chevrolet Colorado - Transmissions & Drivetrains - 12/8/2014
    Released clutch loud bang
    Released clutch from heard a loud bang then bed of truck and axle are separated can't go past idle speed, as engine breaking down a 60 degree decline I have a loud grinding noise in rear end
     
    0 answer
  • albert
    albert - 2002 Chevrolet Impala - Transmissions & Drivetrains - 12/8/2014
    Automatic trany shifts in and out of gear while driving
    141000km.Trany shifts in and out of range while driving on highway at 100km/hr.same with cruise on or off,
     
    0 answer
  • jhb4
    jhb4 - 2005 Chevrolet Trailblazer - Transmissions & Drivetrains - 12/2/2014
    I have a 2005 chevy trailblazer ext. When i'm at a complete stop there's a thumping that feels like it's under the seats
    It started 3 days ago
     
    0 answer
  • upnorth
    upnorth - 1998 Chevrolet C1500 - Transmissions & Drivetrains - 12/1/2014
    My shifter on the column broke off and i wont be able to fix it for a few days. is their any way to shift with it broken
    the cast aluminium that held it together broke inside the column exposing the assembly inside the column
     
    0 answer
  • george
    george - 1989 Chevrolet C2500 - Transmissions & Drivetrains - 11/20/2014
    Transmission problem
    I just move to Elko Nevada I let my truck sit for two days and went to go get feed and the truck was shifting right I thought it might be cold for doing it but I got on highway 80 when drive and reverse went out on me it didn't act up at all on the way up to were I ...
     
    0 answer
  • Joandkent
    Joandkent - 1995 Chevrolet C1500 - Transmissions & Drivetrains - 11/17/2014
    Truck only goes in reverse
    #1 Today 12:49 PM by joandkent Hi, I own a 1995 Chevy Silverado truck. My husband has stage four lung cancer and cannot look at the truck to see what exactly is wrong as far as trying to fix it and I was wondering if somebody could maybe give me a hint so I ...
     
    • CVO
      11/17/2014 CVO
      The automatic transmission has two planetary gear sets, the forward and the reverse. If the truck doesn't go forward, then the forward planetary gear set is worn out or broken. A new transmission is required.
      CVO
      11/17/2014 CVO
      Visit this site and see the planetary gear set. http://www.transmissioncenter.net/
      Scroll the screen almost to the bottom and you will see a planetary gear, it looks alike to a pencil rotating sharpener.
  • deviltaz50
    deviltaz50 - 2008 Chevrolet Impala - Transmissions & Drivetrains - 11/14/2014
    Car lunging forward when accelerating from complete stop
    When I'm at a full stop and begin to accelerate the car won't begin to go forward immediately and after a second or two it will lunge forwardand I can hear a knock and then continue normally. This will not happen always most of the time the car is fine I have ...
     
    0 answer
  • Rick Hunter
    Rick Hunter - 2000 Chevrolet Blazer - Transmissions & Drivetrains - 11/13/2014
    Would this be caused by a bad Speed Censor?
    My Blazer has 175,000 miles on it & has been babied.It is and has always been in excellent condition.I had a New Transmission installed about 18 months ago and then it started slipping again,so I took it back to mechanic and he said that he rebuilt it again.Prior ...
     
    0 answer
  • eric chevy
    eric chevy - 2001 Chevrolet Blazer - Transmissions & Drivetrains - 11/11/2014
    My 01 Chevy blazer will shit into gear but when I press gas down it just revs up
    It only does it when it's cold and it does it in reverse And drive .
     
    0 answer
  • eric chevy
    eric chevy - 2001 Chevrolet Blazer - Transmissions & Drivetrains - 11/11/2014
    My 01 Chevy blazer will shit into gear but when I press gas down it just revs up
    It only does it when it's cold and it does it in reverse And drive .
     
    0 answer
  • shaw3479
    shaw3479 - 1989 Chevrolet K2500 - Transmissions & Drivetrains - 11/10/2014
    Transmission sensors
    I have a 89 chevy k-2500 4 wheel drive with a 4l60e transmission. I need to know what the sensors or switches are on that tranny. I know the speed sensor is on the transfer case but what are the other ones. from front to back what are they.
     
    0 answer
  • shaw3479
    shaw3479 - 1989 Chevrolet K2500 - Transmissions & Drivetrains - 11/10/2014
    Transmission sensors
    I have a 89 chevy k-2500 4 wheel drive with a 4l60e transmission. I need to know what the sensors or switches are on that tranny. I know the speed sensor is on the transfer case but what are the other ones. from front to back what are they.
     
    0 answer