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Ask Don - Mo Lurch Your Own Question
Don - Mo Lurch
Don - Mo Lurch, Mechanic
Category: Lincoln
Satisfied Customers: 21044
Experience:  Line, Electronics, Driveline for over 30 years
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It keeps overheating. New water pump, thermostat and

This answer was rated:

It keeps overheating. New water pump, thermostat and radiator was replaced.
JA: Has the vehicle ever overheated? And when was it last serviced?
Customer: just replaced all that last month and it is still overheating
JA: What is the model/year of your Lincoln?
Customer: 2002 Lincoln Navigator
JA: Are you fixing your Navigator yourself? What have you tried so far?
Customer: had a mechanic replace the water pump, metal hose into the water pump, thermostat and radiator
JA: Anything else you want the mechanic to know before I connect you?
Customer: that's it

IF you have had the water pump, thermostat and radiator replaced, was the system "flushed"?
What did the mechanic say to the continued overheating?
You should have a "Reputable" Radiator Shop perform a gas & Pressure Test on the system.
Apprx 1 hour labor
This will help pinpoint the cause, as it sounds like you have excessive Pressure entering the Coolant System from Head Gasket.

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