>

Hyundai Equus: Water pump Troubleshooting - Cooling System - Engine Mechanical System - Hyundai Equus VI 2009-2024 Service ManualHyundai Equus: Water pump Troubleshooting

Troubleshooting
Water Pump
Symptoms
Possible Causes
Remedy
Coolant leakage
From the bleed hole of the water pump
Visually check
Check leaks after about ten-minute warming up.
If coolant still leaks, replace a 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 or any cracks of the water pump.
Poor material. If any crack 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 a drive belt
After removing a water pump and a 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 a water pump
After removing a water pump and a drive belt, check noise again.
If there is any interference between them, replace the water pump with a new one.
Overheating
Damaged impeller
Loosened impeller
Loosened impeller
Corrosion of the impeller wing
Check engine coolant.
Poor coolant quality / Maintenance check
Impeller seperation from the shaft
Replace the water pump.

    Water pump Repair procedures
    Removal and Installation Water Pump 1. Disconnect the negative terminal (A) from the battery. Tightening torque : 3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft) 2. Remove the air du ...

    Thermostat Components and Components Location
    Components 1. Engine coolant temperature control assembly2. Engine coolant temperature control assembly gasket3. Water outlet fitting assembly4. Water outlet fitting assembly gasket5. Water outle ...

    See also:

    Oil Pump Description and Operation
    Description The oil pump rotation builds the hydraulic pressure needed for the lubrication of the various parts of the automatice transmission and operation of the clutch and brakes. The oil ...

    Front Seat Shield Outer Cover Repair procedures
    Replacement [Front Seat Front Shield Outer Cover]     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver, wrap it ...

    Fuel Pump Motor Repair procedures
    Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. "Release the residual pressure in fuel line. (Refer to Fuel Delivery System -""Release Residual Pres ...

    Categories

    Hyundai Equus Manuals


    © 2011-2024 Copyright www.heqmanual.com