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International Automotive Technicians Network
1999 Ford F-150 Lariat 4.6L Heater Core
Posted to Ford Engine on 10/31/2005 5 Replies

NO HEAT-PULLED FEED HOSE TO HEATER CORE NO FLOW UNDER 1400 RPM. Acts like a weak water pump. Radiator is full. No overheating problems. Any one had this problem. Have not yet changed water pump,waiting for advise.

5 Replies Received (View Replies)

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car Vehicle Data

1999 Ford F-150 Lariat

VIN 2FTRX18W9X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHeater Core
ConditionsNot Cold
Message Closed

car Vehicle Data

1999 Ford F-150 Lariat

VIN 2FTRX18W9X
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHeater Core
ConditionsNot Cold