Hyundai Sonata: Cooling System / Water pump Repair procedures

Removal
1.
Loosen the drain plug (A), and drain the engine coolant. Remove the radiator cap to drain with speed.

   
System is under high pressure when the engine is hot.To avoid danger of releasing scalding engine coolant, remove the cap only when the engine is cool.
2.
Remove the drive belt.
(Refer to Timing System - "Drive Belt")
3.
Remove the water pump pulley (A).

Tightening torque :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

4.
Remove the water pump (A).

Inspection
1.
Check each part for cracks, damage or wear, and replace the coolant pump assembly if necessary.
2.
Check the bearing for damage, abnormal noise and sluggish rotation, and replace the coolant pump assembly if necessary.
3.
Check for coolant leakage. If coolant leaks from hole, the seal is defective. Replace the coolant pump assembly and gasket.
   
A small amount of “weeping” from the bleed hole is normal.
Installation
1.
Install the new gasket and water punp (A).

Tightening torque :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

2.
Install the water pump pulley (A).

Tightening torque :
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

   
Tighten the bolts diagonally when installing.
3.
Remove the drive belt.
(Refer to Timing System - "Drive Belt")
4.
Fill with engine coolant.
5.
Start engine and check for leaks.
6.
Recheck engine coolant level.
Water pump Components and Components Location
Components 1. Gasket2. Water pump 3. Water pump pulley ...

Water pump Troubleshooting
Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the bleed hole of the water pump Visually check • Check leaks after about ten-minute warming up. • If cool ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description Body Control Module (BCM) Function NoItemDescription1Washer Linked Wiper - If the washer switch is pressed ON for 0.06~0.2 second with the vehicle mode in IGN2, the wiper relay is turned ON 0.3±0.1 second after washer switch ON, and then the wiper relay is turned OFF 0.7 ...

Hyundai Sonata LF 2014-2019 Service Manual: Specifications
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