» » »

Mercury Q&A

Ask Your Question

2005 Mercury Mountaineer Question: change blend door and motor and i still do not get heat in front rear heat works



betoadame, 4.0L V6, Ben Wheeler, TX, November 14, 2013, 14:39

what else can be wrong. air comes out and the ac works just not the heater. could it be the heater core.

2 Answers
Flag This
  • Medium-star Best Answer
    November 14, 2013, 15:20

    Under the hood, on some of these models, there is a valve that is inline with the heater hose, make sure it is working! If not it will not allow hot coolant to flow through the heater core resulting in no heat! Check to see if the small vacuum tube is hooked up to this valve. MAY be able to move the valve lever manually to see if heat will work then.

    Flag This
  • Answer #2

    Greg's Orange Auto (14628 Answers) , Orange, CA - (714) 361-9386
    globalhelper November 15, 2013, 06:11

    agree with pushrod

    Flag This