Andrew Posted on Oct 09, 2012

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When I turn on heat or a/c in my car smoke comes out

When I turn on the heat or a/c smoke comes out of the vents

1 Answer

Jeff's Garage

Expert 118 Answers
Posted on Oct 09, 2012

Jeff's Garage

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Sounds like your heater core has a leak. try bypassing the heater core and then see what happens.

1 Related Answer

Thomas F. Schneider

2715 Answers
Posted on Dec 31, 2008

SOURCE: 90 ford ranger heater trouble

Heater core or one of the hoses are leaking. Low on antifreeze now so no heat.

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Smoking and expelling liquid

Hello, that looks like your vent system had a rupture somewhere on the front near the motor its better you take the car to a workshop garage.
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Mar 26, 2012 • 1993 Ford Probe

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Jun 01, 2011 • 1994 GMC Jimmy

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Cool air comes out the vent when I put the heater

temperature flap most probably stuck in cooling position. normally the potentiometer in the flap motor causes the problem. cleaning the potentiometer normally solves the problem.

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Smoke comes in though the air vent when the heat is on. there is no heat though, its a 1994 buick park ave 124,000 miles what could it be? what can I do to fix it?

yove a heater core leak,,,if smoke is coming in the vents its leaning towrads going out on you

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Jan 20, 2009 • 1994 Buick Park Avenue

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90 ford ranger heater trouble

Heater core or one of the hoses are leaking. Low on antifreeze now so no heat.

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Heat blows "smoke" from vents

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Smoke coming in the vents when heater is turned on

sounds like heater core you will have to pull dash up and remove heater assembly to replace heater core it is a big job not for the faint of heart good luck

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Oct 04, 2008 • 1991 Chevrolet C/K 2500

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1996 Crown Victoria

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Smoking and expelling liquid

1995 Pontiac Grand Am

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When I turn on heat or a/c in my car smoke comes out

1 Answer

Jeff's Garage

1 Related Answer

Thomas F. Schneider

Add Your Answer

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Related Questions:

Smoking and expelling liquid

White smoke coming from a/c vents in 2005 dodge neon sxt

I have a 1993 ford probe gt.. its starting to smoke under the hood by the passenger window its a light smoke it has an oil leak too.When I turn on my vent the smoke comes out this only happens when car...

I have a GMC 1994 Jimmy .I just replaced the heater core .but now when i slide the switch to heat .smoke come out of the switch.smells like electrical short . when the switch is on ac it works fine no...

Cool air comes out the vent when I put the heater

Smoke coming from vents in expedition with everyting off.

Smoke comes in though the air vent when the heat is on. there is no heat though, its a 1994 buick park ave 124,000 miles what could it be? what can I do to fix it?

90 ford ranger heater trouble

Heat blows "smoke" from vents

Smoke coming in the vents when heater is turned on

Not finding what you are looking for?

1996 Crown Victoria

Smoking and expelling liquid

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ZJ Limited

Ronny Bennett Sr.

Thomas Perkins

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Related Topics:

Trustworthy Expert Solutions

When I turn on heat or a/c in my car smoke comes out

1 Answer

Jeff's Garage

1 Related Answer

Thomas F. Schneider

Add Your Answer

Attachments: Added items

Related Questions:

Smoking and expelling liquid

White smoke coming from a/c vents in 2005 dodge neon sxt

I have a 1993 ford probe gt.. its starting to smoke under the hood by the passenger window its a light smoke it has an oil leak too.When I turn on my vent the smoke comes out this only happens when car...

I have a GMC 1994 Jimmy .I just replaced the heater core .but now when i slide the switch to heat .smoke come out of the switch.smells like electrical short . when the switch is on ac it works fine no...

Cool air comes out the vent when I put the heater

Smoke coming from vents in expedition with everyting off.

Smoke comes in though the air vent when the heat is on. there is no heat though, its a 1994 buick park ave 124,000 miles what could it be? what can I do to fix it?

90 ford ranger heater trouble

Heat blows "smoke" from vents

Smoke coming in the vents when heater is turned on

Not finding what you are looking for?

1996 Crown Victoria

Smoking and expelling liquid

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