Hyundai Palisade: Cooling System / Water pump

Hyundai Palisade (LX2) 2020-2025 Service Manual / Engine Mechanical System / Cooling System / Water pump

Components and components location
Components

Hyundai Palisade. Components and components location

1. Water pump pulley
2. Water pump
3. Water pump gasket

Repair procedures
Removal
Hyundai Palisade. Repair procedures   
•
Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.
(Refer to General Information - "Lift and Support Points")
1.
Remove the engine room under cover.
(Refer to Engine and Transaxle Assembly - "Engine Room Under Cover")
2.
Drain the coolant.
(Refer to Cooling System - "Coolant")
3.
Remove the drive belt.
(Refer to Timing System - "Drive Belt")
4.
Remove the water pump pulley (A).

Hyundai Palisade. Repair procedures
5.
Remove the water pump (A) and gaskets.

Hyundai Palisade. Repair procedures
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.
Hyundai Palisade. Repair procedures   
•
A small amount of seepage from the bleed hole is normal.
Installation
Water Pump
1.
Install the water pump (A) with new gaskets.

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures   
•
Clean the contacting surface before assembling.
•
Always use new gaskets.
•
Always use a new seal bolt (Bolt B)
Tightening torque
A (5EA) : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
B (1EA) : 21.6 - 26.5 N.m (2.2 - 2.7 kgf.m, 15.9 - 19.5 lb-ft) - (Do not reuse)
C (4EA) : 21.6 - 23.5 N.m (2.2 - 2.4 kgf.m, 15.9 - 17.4 lb-ft)
D (1EA) : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
E (1EA) : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

Hyundai Palisade. Repair procedures
2.
Install the water pump pulley (A).
Tightening torque :
7.8 - 9.8N.m (0.8 - 1.0kgf.m, 5.8 - 7.2lb.ft)

Hyundai Palisade. Repair procedures
3.
Install in the reverse order of removal.
4.
Fill the radiator with coolant.
(Refer to Cooling System - "Coolant")
5.
Start engine and check for leaks.
6.
Recheck the coolant level.
Troubleshooting
Troubleshooting
Trouble Symptom
Probable Cause
Remedy
Coolant leakage
•
From the bleed hole of the water pump
Visually check
•
Check leaks after about 10 minutes of warming up.
•
If coolant still leaks, replace the water pump.
•
If leakage stops, reuse the water pump. (Do not replace the pump with a new one.)
•
From gaskets or bolts
•
Check the tightening of the water pump mounting bolts.
•
Retighten the mounting bolts.
•
Check damage of gaskets or inflow of dust.
•
Replace the gasket and clean dust off.
•
From outer surface of water pump
•
Check the material for any cracks of the water pump.
•
Material defect. If any cracks are found, replace the water pump.
Noise
•
From bearings
•
From mechanical seals
•
Impeller interference
Inspection with a stethoscope
•
After starting the engine, check noise with a stethoscope.
•
If there is no noise, reuse the water pump (do not replace it).
•
If there is any noise from the water pump, remove the drive belt and recheck.
Inspection after removing the drive belt.
•
After removing the water pump and the drive belt, check noise again.
•
If there is noise, reuse the water pump. Check other drive line parts.
•
If there is no noise, replace the water pump with a new one.
Inspection after removing the water pump
•
After removing the water pump and the drive belt, check noise again.
•
If there is any interference between them, replace the water pump with a new one.
Overheating
•
Damaged impeller
•
Loose impeller
Loose impeller
•
Corroded impeller wing
•
Check engine coolant.
•
Poor coolant quality / Maintenance check
•
Impeller seperated from the shaft
•
Replace the water pump.

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