Hyundai Elantra AD (2016-2020) Service Manual: Heater Core Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater - "Heater Unit")
3.
Remove the heater core cover (A) after loosening the mounting screws.
4.
Pull out the heater core (A) from the heater unit.
5.
To intall, ...
Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Diagnosis with GDS
1.
BSD system defects can be quickly diagnosed with the GDS. GDS
operates actuator quickly to monitor, input/output value and self
diagnosis.
2.
Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.
3.
Sele ...