![]() Also, knowing the kit specifications and the right tools are integral to the exercise. The decision to rebuild must also have come after the weighing of its advantages over that of buying a used transmission. Rebuilding should also imply that you are well aware of the anomaly that spins from the underperformance of the transmission, such as not lasting up to 150, 0000 to 200,000 miles for an average. So make sure to read to end patiently.īuilding from the base or converting a work-in-progress, there is a need to ensure that the total potentials of the transmission areas are duly maximized. I will also talked about how hard is it to rebuild a 4l60e transmission and then we will round up with how to rebuild a transmission 4l60e with a step by step 4l60e rebuild video guide and write up. In this post I also discussed how to know if my 4l60e is bad because I have in the past been caught up the question how do I know if my 4l60e is bad? Here is a thoroughly comprehensive guide on how to get the transmission model rebuilt and running at extreme power levels. If you are caught up in the web of not knowing what it takes to put your transmission 4l60E back on track? If you need a step by step 4l60e rebuild guide on how to rebuild a transmission 4l60e then you have just reached the right article to guide. Measure the distance between the torque converter mounting pad and bell housing face to verify torque converter is fully installed.Last updated on July 20th, 2023 at 12:57 pm 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. If the torque converter has been removed:ġ. 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. 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.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).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).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.
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