Hyundai Santa Cruz: Cooling System / Troubleshooting
| Inspection | Remedy | |||||
| Visual inspection | Inspect for shortage of coolant in reservoir tank. | Reinspect after replenishing coolant. | ||||
| Inspect for coolant pollution after removing reservoir tank cap. | Reinspect after replacing coolant. | |||||
|
Inspect for leakage and loose coolant hoses.
(radiator hose, heater hose, oil cooler hose, etc.).
Reinspect for leakage after reinstalling hoses and clamps.
Checking for coolant leaks of integrated thermal management module (ITM).
Replace O-ring or replace the integrated thermal management module (ITM) if required.
Inspecting the heater pipe connection to find coolant leaks.
Reinspect for leakage after reinstalling hoses and clamps.
Inspect for leakage on water inlet fitting mounting part.
Reinspect for leakage after replacing O-ring.
Reinspect for leakage after tightening to the specified torque.
Inspect drive belt (for normal operation of water pump).
Adjust drive belt tension or replace.
Inspect for leakage on water pump gasket mounting part.
Reinspect for leakage after replacing gasket.
Reinspect for leakage after tightening to the specified torque.
Inspect for loose coolant temperature sensor, cooling fan connector and pin.
Reinstall loose connector.
Replace relevant part if connector pin is damaged.
Inspect operation status of cooling fan.
- Check operation status by switching ON/OFF the heater control A/C.
Check mounting status of ground cable.
• Will not operate in cold ambient temperature.
Diagnostic device
Inspect self-diagnostic code using diagnostic tool.
Check coolant temperature sensor, wiring, connector, etc.
Unit inspection
Inspect water pump impeller.
Replace water pump.
Cooling System
...
Coolant
- Replacement and Air Bleeding
• Never remove the reservoir tank cap when the engine is hot.
Otherwise, serious scalding could be caused by hot fluid under high
pressure e ...
Other information:
Hyundai Santa Cruz 2021-2025 Owners Manual: Intelligent speed limit assist (ISLA)
Intelligent Speed Limit Assist uses
information from the speed limit signs
along the roadway as well as speed limit
information in the navigation system to
inform the driver and display the speed
limit information in the LCD cluster.
On some models, the system works with
Smart Cruise Control a ...
Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Description and Operation
- Description
The System offers the following features : • Changing the state of engine ignition and power by using the start button.
• Controlling external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition switch.
• Indicating the vehicle ...
