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98 cadillac heater blower works wont blow out front defroster

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

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SOURCE: 2000 Ford Focus defroster does not work

try changing the pollen filter.. it could be blocked

Posted on Oct 22, 2008

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Brian032472
  • 150 Answers

SOURCE: blower not working on ac or heater etc.

A very common solution here is replacement of the blower motor resistor. The resistor when they break do one of two things.

A. work only on high

B. dont work.

This item is located on passanger side under dash and is usually held in with two small bolts on either side with an electrical connector seperating the mounting screws. It is mounted right in the air box. I replace at least one of these a week in my shop very common item.

Posted on Nov 04, 2008

  • 37 Answers

SOURCE: Heat wont blow through heater or defroster vents

The door in the heater box is most likely stuck. It is located under the dash on the passenger side

Posted on Dec 06, 2008

  • 124 Answers

SOURCE: heater control 98 chevy s10 blazer

These trucks have a problem where moisture builds up in the heater box then freezes. When this freezes and you change your heater settings it breaks the shaft for the blend door. If this is what happened you should be able to look under the dash above and to the right of the gas pedal and you will see two vaccuum accuators one of them you should be able to wiggle around the linkage if it is broke. To fix this you need to remove the entire dash to get the heater box out which involves discharging the AC and draining the coolant because the heater core and evaporator come out. Please rate.

Posted on Dec 13, 2008

  • 20 Answers

SOURCE: Heat wont blow through heater or defroster vents

common problem, check under dash by the gas pedal if control arms are muving went selecting from ac to heat cuz this it is the control for the vents to go from ac to heat and to defrost.

Posted on Feb 23, 2009

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1 Answer

My 1998 Ford Explorer Defrost Heater isn't blowing any air to the defrost Is this a fuse?


If your front blower motor isn't working on any setting, could be the blower motor itself, the blower resistor, or sometimes the wire pigtail to either one could be the problem.

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98 deville's heater blower wont work at all.


Blower Motor Inoperative at Any Speed (Front) ?
The heater & A/C programmer is probably the problem . The 4 to9 volts on white - that's not how you test that circuit . That is a PWM - pulse width modulation circuit . The programer switches that signal on an off real fast . You need a automotive lab scope to see the square wave that would be produced .
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Blower motor wont run for the air or heat and none of the heated seatswork


I had a 2003 caddy dts same issue the blower motor has probably gone bad u can order them online. What u can also try is kicking under the passenger side glove box area that's where the blower is located sometimes they get stuck. Try kicking or tapping under there and see if it pops on. I did this with my car

Dec 13, 2013 | 2005 Cadillac Deville

1 Answer

Heat not blowing through vents


To troubleshoot this types of problem,click the link below :----http://howtobyme.blogspot.in/2012/02/heater-blows-only-from-defrost.html
--------Go through the procedure to confirm the issue.This will help.Thanks.

Jan 31, 2012 | 1999 Cadillac DeVille

1 Answer

My heater only work on high and will not blow out defrost


IF THE BLOWER MOTOR ONLY WORKS PN HIGH THEN YOU NEED TO REPLACE THE BLOWER MOTOR RESISTOR LOCATED ON THE SAME HEATER BOX AS THE BLOWER MOTOR

Jan 08, 2010 | 2002 Pontiac Grand Prix

1 Answer

Hello my friend has a 1995 deville that wont heat. He thought the blower was bad so we put a different on it and wired it to run with the key on. It runs but will not blow air into the car. None of the...


If the blower was working why did you replace it?
Heat is made by the engine, and then it is sent into the heater core and a fan, blower motor, blows heat into the car.
First - check that the coolant level is full. If not add MIXED coolant.
Then drive a few miles for the engine to get hot.

If coolant level is full, the thermostat might be bad, or the heater core might be plugged.

Dec 15, 2009 | 1995 Cadillac DeVille

2 Answers

When i have the heater/defroster on the heater below blows cold air while the defrost blows hot. when i switch to just defrost the bottom heater stays on and blows cold air. when i have front dash and...


It sounds like you have a blend air door stuck. This is in the housing of the heater a/c blower unit under the passenger side of the dash. There is a motor on the top of the housing that could possibly be stuck or on working.

May 10, 2009 | 2003 Dodge Durango

2 Answers

1999 cadillac deville air wont work


There's a blower motor (fan) under the hood and up against the firewall near the center of the car that takes some work to remove. It has gone out in the last 2 of my 4 Cadillacs. Turns out if you're not real careful with the positioning of the spark plug wires they will brush up against it, and if one of them gets cracked or brittle it will "arc" and short out the blower motor. The a/c compressor should still come on (you'll hear a click when it engages) but you won't get any air blowing into the cabin, hot or cold.

The part was like $200 stock (year 2000 prices) and it took about an hour to remove it. My Caddy at that time had this damn strut bar going across the engine bay which we eventually removed to get to the blower motor.

Dec 18, 2008 | 1999 Cadillac DeVille

1 Answer

HEATER WONT BLOW THREW VENTS ONLY BLOWS THREW DEFOGGERS


is it blowing threw the defroster if it is open the hood look on the left hand side of the fire wall there is a vacuum line there if it is broke blower will only come through defrosters if you have a vac canister it looks like a ball make sure the vacuum lines are good on it

Nov 23, 2008 | 2005 Jeep Wrangler

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