OEM Cadillac XLR Evaporator

Cadillac XLR Evaporator Parts Questions & Experts Answers

• Evaporator Core
  89018847
  Q: How to replace the evaporator core on Cadillac XLR?

  A: Firstly obtain a halogen leak detector (J 39400-A) when replacing the Evaporator core. The first step requires removal of the hvac module followed by disposal of the hvac module assembly foam seal. The Evaporator core requires removal of its txv using mounting bolt removal followed by txv extraction. Discard the sealing washers present at the core during this process. Begin by disconnecting the electrical connectors for the discharge temperature management sensor and afterward remove the pin from the hvac module wire harness retainer. Unplug the wiring harness by taking off its connections from both the Heater Core cover wire harness retainer and . To replace the hvac module Heater Core and heating element one should first remove the screws securing the heater cover before removing the cover from the module and the Heater Core. By unscrewing the hvac module case retaining screws you can split the upper case from the lower case which enables you to uninstall the Evaporator core. The specified pag oil quantity goes directly onto the new Evaporator core while the side seal must face the corners. The installation process requires new side and upper seals and two lower seals which should be placed onto the Evaporator core before returning it to the hvac module. Position the hvac module upper case onto the lower case section then tighten its retaining screws to 1.6 n.m (14 lb in). After installing a new foam seal the mechanic must mount the Heater Core followed by the heater cover and complete the installation by using screws tightened to 1.6 n.m (14 lb in). The hvac module wiring harness retainers must be connected to the wiring harness at the Heater Core cover before another connection is made to attach the hvac module harness retainer pin and dtm sensor electrical connectors. Complete the task by putting new sealing washers on the Evaporator core then reattach the txv while tightening its mounting bolts to 7 n.m (62 lb in). The hvac module should then be reinstalled.