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Transmission troubleshooting 4l60e at times valve body must be opened manually by pulling into low gear after coming to a complete stop when at operating temprature

At operating temperature after complete stop transmission must be place into low gear in order to take off vehicle seems like it is in second or third gear until placed in low then into drive to take off this is the same symptoms of the last transmission in this vehicle is this symptomatic of the 4t60e ? is it shift solenoid related ? valve body ?

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  • Contributor
  • 24 Answers

Could be the ladder. If I were you. Id check the throttle position sensor, also.if equiped the idle air speed control motor.

Posted on Jan 01, 2014

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Posted on Jan 02, 2017

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Blessedbygod
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SOURCE: 31th 470 a670 trans won't shift from second to third

I am far from a trans. specialist but this sounds like a foreign body (dirt maybe) got in the valve body.

Posted on Oct 14, 2009

  • 4 Answers

SOURCE: 1997 transmission Slow Acceleration

not sure if this is the answer yet but i have the same problem with the same codes i work at an auto parts store and a few of the techs that are customers have lead me in the direction of changing the ignition switch, i am doing it today will let you know if it solves the problem

Posted on Jan 27, 2010

  • 1403 Answers

SOURCE: OK i have seen my

if you have a modulator valve on your tranny it may be bad,the vacum could be restricted on it,the mod. valve controls shifts smoothly.lucas trans. additive helps with stuck valves in trannys,

Posted on Aug 12, 2010

sfparker
  • 170 Answers

SOURCE: 1997 Chevy 4L60e Transmission Shift Problem

How many miles? Have you maintained, serviced trans in past or just waited for this day to wonder what happened?

Posted on Sep 28, 2011

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1 Answer

P1870 GMC Transmission Component Slipping


Your computer has sensed a component slipping in your transmission. At that mileage I would recommend a rebuild. The 4L60E is notorious for a weak sunshell anyway. I recently rebuilt mine and the spline ring was broken, but had not stripped the spline teeth out of the sunshell body yet.. There are fixes for the valve body for this code, but with your mileage, I think you would be wasting your time and probably sooner than later would experience another failure if not a complete failure.

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Can the sun shell be replaced in a 1997 4l60e transmission without pulling valve body


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if your transmission has been slipping, it means that the clutch plates and steel plates have gone. youre going to have to have it rebuilt or swapped out for a rebuilt one.

A transmission filter should never get dirty enough to prohibit the valve body and pump from getting enough fluid. unless you have driven the truck through deep water or heavy off road use.

The 99 suburban has a 4L60E or 4L80E transmission. depending on the chassis package, If you have a 1.5" rear yoke diameter(the thing connecting the trans to the driveshaft), its a 4L60E, if its larger you have the other. The trans are usually good for at least 150K miles under normal use.

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I have 2005 Chevy Suburban; when you engage the gear in drive the truck would move but won't get out of the first gear. I've checked my transmission fluid and its ok. It also responds to reverse when you...


Common problem probably a 4L60E transmission The low and reverse clutches are the same ones The forward clutches are another set and then there are the 3-4 clutches in another pack. So you probably burn out the forward clutches or could be a stuck valve in the valve body. Time for a transmission specialist.

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I have also personally seen/fixed a 4L60E that had a broken reverse servo piston,it is the piece that engages the low/reverse band under a cover in the valve body area,a piston with a band engagement pin. Anyone that has this problem can have it repaired in the vehicle,its worth checking BEFORE replacing the trans unless the fluid is burn't or there are other symptoms present. Good luck and hope this helps. keep me posted, be glad to help

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I don't know what kind of transmission I have in my 2004 chevy cargo astro van and want to know how to find out????? Does anyone know if it is a 4L60E or 4L65E???


It's a 4L60E which is the same as the 4L65E. The 4L65E has different internal parts like the sun gear has 5 gears in it and the front pump has 13 vain as to the 4L60E has 4 sun gears and 10 vain front pump. Note the 5 sun gear in the 4L65 E can handle more torque but the gear cage is thinner and the 13 vine pump is weaker and prone to failure more then the 10 vain. The best improvement to the 4L60E is to swap out the servo's with a corvette servo's. The servo's will cost you under $50.00 and can be installed with out removing the transmission valve body or dropping the transmission pan and takes about 45 min to replace it. You will have a firmer shift feel and you can buy it at Auto Zone and get the step by step instructions for free to replacing the 4L60E servo. Good luck and hope this helps, keep me posted. Be glad to help.

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Goes to 4000 rpms to 5500 rpms before changing from 1st to 2nd g


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Nissan: start truck see if it idles normal. If so rev motor and check throttle for sticking and check EGR valve make sure its not stuck open or malfunctioning when you drive it..

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Diagram of a completely disassembled valve body for a 4l60e at


There are a couple sights where I found GREAT info about 4L60E repair!! I'm new to tranny's but because of these sights, my first total rebuild is almost done!!

http://www.compnine.com/largeimg/940419GM04-418.gif is a blow-up schematic of the valve bodies

http://forums.minnesotamud.com/showthread.php?t=3032 is a step-by-step (text and pics) of a total tranny break-down!!

Hope it helps. Let me know!

Barney
jasontbarnhart@yahoo.com

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