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2000 Ford Explorer XLS 4.0L Cooling System thumping
Posted to Ford Engine on 1/11/2019 10 Replies

Coolant system will have thumping sound and feeling when hot and at idle. Thumping will go away when you rev engine up but will come back shortly. Thermostat was replaced and we used the blue point coolant tool to hold and vacuum and fill with new coolant....

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car Vehicle Data

2000 Ford Explorer XLS

VIN 1FMZU62X8Y
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedCooling System Thumping
ConditionsHot
Open Help Request

car Vehicle Data

2000 Ford Explorer XLS

VIN 1FMZU62X8Y
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedCooling System Thumping
ConditionsHot