why my heater does not switch from front vents to defrost?
20

Asked by jwt0001 Nov 14, 2011 at 06:16 PM about the 2000 Chrysler LHS 4 Dr STD Sedan

Question type: Maintenance & Repair

heat works but will not switch from heat to defrost or vents wont change position

6 Answers
455

Paul answered 12 years ago

could be a disconnected vacuum line

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455

Paul answered 12 years ago

There is a supply vacuum line that goes through the firewall next to the brake booster usually. It sometimes gets disconnected or damaged. I fixed one on a 97 with 5.9l diesel that was on the right side of the engine going through the firewall as well. It had melted on the exhaust manifold. Either way, look for a line going into the firewall.

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100

Aquetta answered 9 years ago

Wil my heater keep the Windows in my car defrost without the heat coming out the defroster I have a 2000 Chrysler Concord

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GuruZRSW2 answered 6 years ago

That's what's wrong with my 2000 lhs it won't keep the Windows defrosted when it rains so it's not going to in the winter. I got to get this fixed.

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Guru9ZS35W answered 3 years ago

it is an a/c problem when your heater is set to defrost it cycles the a/c .a/c is a dehumidifier that is what removes the moisture from the glass

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