Elantra GLS Sedan L4-2.0L (1999)
Radiator Cap: Initial Inspection and Diagnostic Overview
RADIATOR CAP
1. Check the radiator cap for damage, cracks and deterioration.
2. Attach a radiator cap tester to the radiator.
3. Pump the tester until the pointer stabilizes.
4. If the pointer stays constant for 10 sec. at a point exceeding the service limit, the radiator cap is good.
