Kia Cadenza YG: Cooling System / Water pump Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Engine Mechanical System / Cooling System / Water pump Repair procedures

Removal
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).

5.
Remove the water pump (A) and gaskets (B).

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.
   
A small amount of "weeping" from the bleed hole is normal.
Installation
Water Pump
1.
Install the water pump (A) with the new gaskets (B).

   
•
Clean the contact face before assemble.
•
Always use a new gaskets.
•
Always use a new seal bolt (Bolt C)
Tightening torque
A(3EA): 9.8 ~ 11.8N.m (1.0 ~ 1.2kgf.m, 7.2 ~ 8.7lb-ft)
B(1EA): 9.8 ~ 11.8N.m (1.0 ~ 1.2kgf.m, 7.2 ~ 8.7lb-ft)
C(1EA): 21.6 ~ 26.5N.m (2.2 ~ 2.7kgf.m, 15.9 ~ 19.5lb-ft) - New bolt
D(1EA): 9.8 ~ 11.8N.m (1.0 ~ 1.2kgf.m, 7.2 ~ 8.7lb-ft)
E(1EA): 9.8 ~ 11.8N.m (1.0 ~ 1.2kgf.m, 7.2 ~ 8.7lb-ft)
F(1EA): 9.8 ~ 11.8N.m (1.0 ~ 1.2kgf.m, 7.2 ~ 8.7lb-ft)
G(4EA) :21.6 ~ 23.5N.m (2.2 ~ 2.4kgf.m, 15.9 ~ 17.4lb-ft)

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

3.
Install in the reverse order of removal.
4.
Fill the radiator with coolant and check for leaks.
(Refer to Cooling System - "Coolant")

    Components 1. Water pump pulley2. Water pump 3. Water pump gasket

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

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