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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