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4l60e transmission line diagram
4l60e transmission line diagram













  1. 4l60e transmission line diagram install#
  2. 4l60e transmission line diagram code#

This gearbox was used on RWD 4WD cargo vehicles and off-road vehicles with the engine from 3 up to 6 liters. This 4-speed transmission for RWD cars was constructively based on the popular HydraMatic 700R4, but produced at the GM factory in Toledo (Ohio) and proved to be very efficient. Measure the distance between the torque converter mounting pad and bell housing face to verify torque converter is fully installed.The 4-speed family of GM transmissions named as TH700R4 (Turbo-Hydramatic) 4L60E/ 4L65E has been launched in production in 1982 and after some minor changes was renamed as 4L60. Listen and feel for three distinct “clicks” as the torque converter engages each component (input shaft, stator support and pump rotor).Īfter torque converter installation or if the torque converter has not been removed: Spin the torque converter and push in towards the transmission.Ģ.

4l60e transmission line diagram

If the torque converter has been removed:ġ.

4l60e transmission line diagram install#

One of the most common issues with the 4L60E is a broken pump rotor due to improper torque converter installation. The following procedure should be followed to completely and correctly install the torque converter.

4l60e transmission line diagram code#

If codes are still present, compare to original code scan recorded prior to transmission replacement. Reset the adaptive memory with a scan tool before operating new transmission for the first time disconnecting the battery is not sufficient.Ī final system scan is required after the road test or if problems are detected during the road test. Inspect transmission wiring harness for damaged wires or connectors. Verify proper function of the entire electrical system including the battery, alternator, vehicle grounds, mass air flow sensor, and throttle position sensor. Failure to do so may damage your new transmission and/or cause performance problems: The following information is VERY important to understand and to perform correctly. This is an electronically-controlled transmission. If the cooler is plugged, it must be replaced. If codes are present, compare them to the original recorded codesĮntire transmission cooling system must be completely cleaned, hot flushed, and flow tested.Ī restricted and/or contaminated transmission cooling system is the #1 cause of transmission failure.

  • Perform the final system scan after the road test.
  • Visit the GM website at calid.gm.com to verify that the vehicle’s transmission computer has the latest calibration.
  • Reset the adaptive memory with capable scan tool before operating the transmission.
  • 4l60e transmission line diagram

    Fill transmission with purchased synthetic, Dexron IV, or Dexron VI fluid.Be sure transmission is flush against the engine block before tightening the attaching bolts.Verify both dowel pins are present and in good condition.Inspect the flex plate for cracks or damage.Hot flush or replace the transmission cooler and lines cooler flow must be at least 1-qt per 15-sec.Verify torque converter is properly and completely installed (see page 2).

    4l60e transmission line diagram

  • Transfer external sensors and switches from the original transmission, or replace if necessary.
  • Install any supplied gaskets, seals, and/or bushings.
  • Verify integrity of the vehicle electrical system including: battery, alternator, wiring, and grounds.
  • Verify that the driveline is in good operating condition, including: mounts, drive shafts, u-joints, bearings,ĭifferentials, and transfer case (if equipped).
  • 4l60e transmission line diagram

  • Verify engine is in good operating condition and that there are no engine performance codes present.
  • Scan original transmission computer before removal from vehicle record for later review.
  • Compare replacement transmission and torque convertor to original before installation.
  • YOUR WARRANTY DEPENDS ON YOUR ADHERENCE TO THESE GUIDELINES.















    4l60e transmission line diagram