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v&p 10/9/2012

1999 Lincoln Navigator Base 8 Cyl 5.4L

Steering & Suspension

how to resolve problem of excesive fog on whinshield ?

a mechanic told us that i had to replace heatercore & we replace it &now we still getting the same problem fog on the winshield while driving.. even with the ac and heater off..can any body tell me what else can i do?

1 Answer


clayton 10/9/2012

sounds to e like the heater core box has a blend door on it and it is not going all the way shut with heat off the blen door should be on the bottom under the dash on passenger side work the buttons while checking to see if the blend door is opersting right.


v&p 10/12/2012

Thank u I'll do that ...

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