Hyundai Elantra AD (2016-2020) Service Manual: Radiator Repair procedures
Inspection
Radiator Cap Testing
1.
Remove the radiator cap, wet its seal with engine coolant, and then install it on a pressure tester.
2.
Apply a pressure of 93.16 ~ 122.58 kPa (0.95 ~ 1.25 kgf/cm?, 13.51 ~ 17.78 psi).
3.
Check for a drop in pressure.
4.
If the pressure drops, re ...
Hyundai Elantra AD (2016-2020) Owners Manual: Bright-metal maintenance, Underbody maintenance
Bright-metal maintenance
To remove road tar and insects, use a tar remover, not a scraper or other
sharp object.
To protect the surfaces of brightmetal parts from corrosion, apply a coating
of wax or chrome preservative and rub to a high luster.
During winter weather or in coastal area ...