Remanufactured TransmissionInstallation Tips: Tech Notes

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Transmission Installation Tips

This transmission has been carefully manufactured to precision specifications and thoroughly tested. It will perform properly only IF certain steps are taken by the Technician performing the installation.

INSPECT AND VERIFY, BEFORE INSTALLATION, that the product you have received is the correct transmission for the vehicle. Ensure that all of the sensor, fitting and accessory mounting locations are present. If there is any question, refer to the product guide included with the transmission or call 1-800-257-7418

Important Cautions

  • Read all instructions and warnings supplied with the transmission. Each transmission has specific installation procedures that must be followed.
  • Properly diagnose and correct the reason the original transmission failed.
  • Coolant contamination of the transmission fluid will require the replacement of the radiator and any other external transmission coolers.
  • Failure to properly hot flush, or replace where necessary, the transmission cooler and cooler lines will cause the replacement transmission to fail and void your warranty. For complete flushing instructions refer to the OE workshop manual for that vehicle.
    • – If the vehicle is equipped with an external oil to air cooler, the cooler must be replaced
    • – Any inline filters must be removed prior to flushing the transmission cooler system.
    • – A cooler flow test must be performed to ensure there are no restrictions.
    • – After completing the cooler flow test, it is highly recommended, that an inline transmission fluid filter kit be installed. If the vehicle is equipped from the factory with an in line transmission fluid filter, it MUST be replaced.
  • Clear stored DTC’s and perform the appropriate PCM/TCM software update if necessary. Then perform the adaptive learn procedure prior to driving the vehicle to avoid possible internal damage.
    • – In some cases, only an OE dealership can perform the relearn function and the vehicle will have to be towed. Refer to the manufacturer’s data supplied with the transmission.
  • On fully electronic units, verify the condition of the vehicle electrical system, including battery, alternator and all grounds.
    • – Make sure to confirm there is no AC ripple in the system.
    • – Clean the block to transmission mounting surface.
    • – Assure all connectors and wires are in place and not damaged or corroded.
  • Check all sensors for proper function as they may affect the performance of the transmission.
    • – MLPS, TPS, VSS, CTS, ABS
  • The transmission to engine locating dowels MUST be installed. Replace them with new dowels, if necessary. Missing dowels will cause internal damage and will void the warranty.
  • Make sure the convertor is fully seated in the front pump.
  • The convertor should move freely once the transmission is installed and before the convertor is bolted to the flex plate.
  • Properly adjust the transmission shift linkage and TV cable, if equipped.
  • Check for proper vacuum on transmissions using vacuum modulators.
  • Drive shaft input yokes and drive axle input shafts must be lubricated before installation to avoid damage to seals.
  • Fill the transmission to the proper level with the OE manufacturer’s recommended transmission fluid.
  • Check for leaks.
  • Perform any specified relearn, shift adapt, TAP reset or software update procedures.
  • Test drive the vehicle using the recommended test drive procedures.
  • Re-Check for leaks and for the proper fluid level.

 

Other items to check

  • Flex plate for damage or cracks.
  • Crank pilot is the correct size and free of damage or debris.
  • Transmission mounts are replaced or in good condition.
  • Engine mounts are in good condition.
  • Axle shafts are in good condition and are not damaged or worn.
  • Cooling lines are not rusted, worn, kinked or leaking.
  • The transmission line drain back valve (if equipped) is working properly or removed (if noted in the instructions).
  • Dielectric grease on all electrical connections.
  • No pinched, broken or exposed wires.
  • U joints or CV joints in good condition and free moving.
  • Sensors are all functioning properly.
  • The thermal by-pass (if equipped) is functioning properly.
  • Transmission temperature is within range.

Download these tips and additional information about transmission installation.

More Information

For more information, contact fleetinfo@holmanparts.com