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2007 sts says engine hot ac off - Cadillac Cars & Trucks

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Posted on Jan 02, 2017

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SOURCE: 99 STS AC is blowing hot air

I had the same problem but it was blowing hot air on the passenger side of the car. I assume you have the dual zone controls that I have as well. The problem is most likely the damper that controls the flow of hot and cold air into the car. The motorized component of the damper is most likely not working and its stuck in the hot air position.

I had mine replaced by a repair shop so I cant tell you how to replace it but it may be something that you can do if you have the time and patience to work on it.

Good luck

Posted on Jun 09, 2009

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My 2007 Suzuki forename with 56,000ml. Ac running hot and engine running hot. What to do?


forename?
07 forenza (seems all posts are for this 1 suzuki)
a problematic car for sure....?
in what country, car has 6 engines, but 1 in USA>
so cant help you lacking where you are, (name a country,not your IPaddress)
we have the 2.0L engine, in USA< this is a USA forum so......??

ok the computers in your car are way smarter than say 1988 Samurai.
the PCM that runs the engine, for SURE cuts AC to keep engine from self destructing!! AC can do that,,,,,,
want a cracked or warped engine head ?
no.
the PCM cuts the a/c, and if engine is overloaded. or overheated
so forget the A/C
fix engine overheating (primary issues)
and guess wha?t , that gets worse, so delaying the fix
a $5 part compounds to $3000 new engine.
why not just get car fixed.???
"we cant teach you 50 years of engine problems in 5min time."
best post ever that.. here.

1: fuses good? check them it means.
2: water leaks?
3: levels wrong? (in actual rad, cold tested)
4: fan belts loose?
5: bad thermostat
6: bad water pump, impeller rusted to zip, do to abuse.
7: over heats parked only or moving fast or only up hills,? key facts if only parked the fan is dead.
8; lots more, but i end here

May 29, 2016 | 2007 Suzuki Forenza Sedan

1 Answer

09 Chevy silverodo 4.3 engine hot/ac turned off


Search Results

    Engine Hot A/C Turned Off Silverado - YouTube

    ? 8:48
    www.youtube.com/watch?v=w5vbWYbcecg
    May 11, 2013 - Uploaded by aeroaggie This applies to 2008 Chevrolet Silverado 4.3L V6 WT models. ...the dash reading "engine hot, AC off"..on a 2007 Chevy Silverado4.8L. ... I have an 09 Silverado and the dealer changed thethermostat under warranty in 2013.

Sep 19, 2015 | Cars & Trucks

2 Answers

On a 1998 STS Cadillac is the air mixing box and actuatordoor under the dash behind glovebox?


many cars automatically kick on the air compressor in defrost, to dehumidify the cabin air

Jan 03, 2015 | 1998 Cadillac Seville

1 Answer

How to change thermostat on 2006 STS-V.


as the FSM states. on all cars.
in a pan of water. hot.
engine cooling thermostat

Apr 06, 2014 | 2006 Cadillac STS

1 Answer

Where is the refrigerant control valve on ac compresser


Check to see if radiator fan is working when you turn on the AC. Anytime the AC is on the radiator fan must be on even if the engine is not hot yet.

May 19, 2012 | 2007 Ford Five Hundred Limited Sedan

1 Answer

I have a 2001 cadillac sts and it only overheats when the ac is on why?


The AC sheds the heat from the passenger compartment through the condenser (which looks like a second radiator), which is in front of the engine's radiator. That “preheats” the air that pulls heat from that radiator.

If the radiator has all it can do to shed the engine's heat using the air that is at ambient temperature, preheating that air will push it over the line into overheating.

Additionally, the AC removes the heat in the passenger compartment through the work that the AC compressor does. The AC compressor gets that power to do that work from the engine. This in turn causes the engine to work harder, creating more heat to get rid of than when the AC is off.

If the coolant is old, replace it.
Ensure the belt is tight enough on the water pump.
On many cars there is an electri fan that comes on with the AC, mounted in front of the condenser. If you have this, ensure it is operating.

Jun 24, 2010 | 2001 Cadillac Sts

1 Answer

Computer reading engiene hot turn off ac


Call onstar and tell them to ******* **** ***** *** **** **** **** ***** **** or you will ******* **** ***** **** **** them back to the ******* ***** **** *** ***** ******* ******** their ******* **** **** ***** ******* **** **** them up, hope that helps your problem.

Mar 09, 2010 | 2007 GMC Yukon

2 Answers

99 STS AC is blowing hot air


I had the same problem but it was blowing hot air on the passenger side of the car. I assume you have the dual zone controls that I have as well. The problem is most likely the damper that controls the flow of hot and cold air into the car. The motorized component of the damper is most likely not working and its stuck in the hot air position.

I had mine replaced by a repair shop so I cant tell you how to replace it but it may be something that you can do if you have the time and patience to work on it.

Good luck

Jun 03, 2009 | 1999 Cadillac Seville

1 Answer

Problem with AC, dual climate zones


The temperature blend door on the driver's side might be broken or stuck. Also, if this vehicle does not have the correct amount of refrigerant, it will do what you are describing.

May 22, 2008 | 2001 Cadillac Sts

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