Hyundai Elantra AD (2016-2020) Service Manual: PTC Heater Description and Operation
Description
The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core.
The PTC heater is an electric heater using a PTC element as
an auxiliary heating device that supplements deficiency of interior heat
source in highly effective diesel engine ...
Hyundai Elantra AD (2016-2020) Service Manual: Fuel Filter Repair procedures
Removal
1.
Remove the fuel pump.
(Refer to Fuel Delivery System - "Fuel Pump")
2.
Disconnect the electric pump wiring connector (A) and the fuel sender connector (B).
3.
Remove the head assembly (A) after releasing the cushion fixing hooks.
4.
Disconnect the fuel tube quick-connect ...