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My heater is not putting out any heat. - 1994 Oldsmobile Silhouette

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If the blower motor is running, then this is likely a cooling system issue. If the blower is not running, then likely blower motor resistors.
If cooling, check levels. Does the engine reach operating temperature? (thermostat stuck open if not)

Posted on Dec 31, 2010


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Posted on Jan 02, 2017


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1987 subaru 1.8 station wagon heater puts out little to no heat,have put new thermostat in and still no heat

Since it is a 87, you probably need to replace the heater core. If the heat comes up with the higher RPM's of the egnine, maybe a water pump.

Nov 17, 2014 | Subaru Cars & Trucks

1 Answer

Heater does not work on my 1985 jag

put a radiator flush in your expansion bottle run it for about 20 miles to clean out both the core of the radiator and your heater core .then drain it. refill with 50/50 mix of anti freeze. leave off the cap the now as you need to bleed it first. to do so .put your heating on full with the engine ticking over .the water starting to heat up put on your cap.

Dec 11, 2013 | 1985 Jaguar XJ6

1 Answer

Jeep liberty heater

check the blend door actuator.

Nov 06, 2013 | Cars & Trucks

3 Answers

What if you leave the heater hose outlet off your car will your car run hot

Won't run hot

The heater hose is to put hot coolant
into the heater core for cabin heat, just won't be
hot inside

You have to put the two hoses together if you
don't want to have water thru the heater core,
then they don't do anything but circulate coolant
but not inside the car

Jan 13, 2013 | Cars & Trucks

1 Answer

Heater only sends heat when car car is in motion

Heater core is restricted,won't make heat unless the water pump is really moving, Appears you need to put a heater core in.

Nov 05, 2011 | 2005 Chrysler Sebring Conv

2 Answers

No heat in my dakota. flushed heater core and replaced therm with a reg one.

check for poor flow to heater core-change heater hoses -check for lime build up at intake connector or worn out water pump -if you only put water through core try using CLRlime cleaner in core-get two 6in pieces or heater hose hook them to core and pour it in and leave for 15 mins then wash out with water hose

Oct 04, 2009 | 1987 Dodge Dakota

2 Answers


change your heater core

Feb 21, 2009 | 1992 Lincoln Town Car

2 Answers

Replaced the heater core. now i cant get good heat

the heater control valve is likely crusted shut ...replace that and any hoses that where crimped for a long time to heater core and backflush system with heater open full...also be sure head units cables vacuum lines and electrical were not disturbed when you tore out heater core

Jan 13, 2009 | 1997 Pontiac Grand Am

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