Car running at 221 degrees
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From: Michigan
Thats weird cause here in Michigan when i run my car and its below 32 degrees out side i never see above 178 degrees now if its 70 or so then i will hit 220 and the fan kicks on
Well when its colder outside you car dont run so hot and PA its winter and normally cold
Well when its colder outside you car dont run so hot and PA its winter and normally cold
Last edited by KillerBee; Mar 5, 2008 at 04:53 PM. Reason: Automerged Doublepost
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From: Fayetteville/Linden, NC/Myrtle Beach, SC
Wrong, outside temp only affects the open/closed loop cycle, it doesnt affect temp after warmed up unless at speed and even then minutely. Think about it, the cylinder walls are about 1500* coolant temp is about 192. Do you really think something -30* is gonna affect 1500*?
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From: Rutherford, NJ
Wow...a lot of people are saying "well I never ran above 180"....how ignorant. To the people who don't have tunes that modified their fans or water wetter, let your car idle for a good amount of time. Your engine will git 215+ guaranteed and it's perfectly fine. Emissions......if it starts going above like 235, i'd worry.
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From: Still fixing others mistakes.
Wrong, outside temp only affects the open/closed loop cycle, it doesnt affect temp after warmed up unless at speed and even then minutely. Think about it, the cylinder walls are about 1500* coolant temp is about 192. Do you really think something -30* is gonna affect 1500*?
iat's do effect egt temps.
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From: Pittsburgh
That has no bearing on coolant temp. My car runs the exact same temps all year round with no change. I've had my car out at 5 degrees and it sits at ~180 and I've had my car out at 95 degrees and it sits at ~180 while running in open air. Sitting in traffic or after an auto-x in both cases will see 220-225. It's perfectly normal in all 5 states AND Canada....except for the whole *F-->*C thing.
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From: Michigan
That has no bearing on coolant temp. My car runs the exact same temps all year round with no change. I've had my car out at 5 degrees and it sits at ~180 and I've had my car out at 95 degrees and it sits at ~180 while running in open air. Sitting in traffic or after an auto-x in both cases will see 220-225. It's perfectly normal in all 5 states AND Canada....except for the whole *F-->*C thing.
During the summer when its 75 or higher my car runs about 220 or so i think outside temp does afftect it. Just like when you drive and air flows through your radiator it cools the coolant just like a fan does so if its 30 degrees outside and your doing 50-70 miles per hour the air is gunna be 10 or so degrees hitting your radiator
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From: Fayetteville/Linden, NC/Myrtle Beach, SC
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From: Michigan
Wrong, outside temp only affects the open/closed loop cycle, it doesnt affect temp after warmed up unless at speed and even then minutely. Think about it, the cylinder walls are about 1500* coolant temp is about 192. Do you really think something -30* is gonna affect 1500*?
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From: North Jersey
this was not an opinion question. an opinion question is "what do you think of a cobalt". an opinion question doesn't have a right and wrong answer, just an answer. this question DOES have an answer, and it's not an opinion.
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From: North Carlonia
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From: Austin, TX
Here's a copy/paste from GM Dealerworld about coolant temps for the 08 balt. If ya notice, the coolant temps before the PCM will command the fan on high is over 221°F that the original poster was mentioning. Most GM techs will say it's normal for being parked idling or at a light for an extended period of time.
Cooling System Description and Operation
Cooling Fan Control
The engine cooling fan system consists of one cooling fan and two relays. The cooling fan has 2 windings in the motor, one winding is for low speed and the other winding is for high speed. Voltage is supplied to the relays from the 30 A cooling fan 1 and 30 A cooling fan 2 fuses. The engine control module (ECM) controls the low speed fan operation by grounding the cool fan 1 relay control circuit. When the cooling fan 1 relay is energized, voltage is delivered to the cooling fan low speed winding. The ECM controls the high speed fan operation by grounding the cool fan 2 relay control circuit. When the cooling fan 2 relay is energized, voltage is delivered to the cooling fan high speed winding. The cooling fan motor is grounded through its own ground circuit.
The PCM commands Low Speed Fans ON under the following conditions:
Engine coolant temperature (ECT) exceeds approximately 106°C (223°F).
A/C refrigerant pressure exceeds 1 310 kPa (190 psi).
After the vehicle is shut off, the ECT at key-off is greater than 140°C (284°F) and system voltage is more than 12 volts. The fans will stay on for approximately 3 minutes.
The PCM commands High Speed Fans ON under the following conditions:
ECT reaches 110°C (230°F).
A/C refrigerant pressure exceeds 1 655 kPa (240 psi).
When certain DTCs set
Cooling System Description and Operation
Cooling Fan Control
The engine cooling fan system consists of one cooling fan and two relays. The cooling fan has 2 windings in the motor, one winding is for low speed and the other winding is for high speed. Voltage is supplied to the relays from the 30 A cooling fan 1 and 30 A cooling fan 2 fuses. The engine control module (ECM) controls the low speed fan operation by grounding the cool fan 1 relay control circuit. When the cooling fan 1 relay is energized, voltage is delivered to the cooling fan low speed winding. The ECM controls the high speed fan operation by grounding the cool fan 2 relay control circuit. When the cooling fan 2 relay is energized, voltage is delivered to the cooling fan high speed winding. The cooling fan motor is grounded through its own ground circuit.
The PCM commands Low Speed Fans ON under the following conditions:
Engine coolant temperature (ECT) exceeds approximately 106°C (223°F).
A/C refrigerant pressure exceeds 1 310 kPa (190 psi).
After the vehicle is shut off, the ECT at key-off is greater than 140°C (284°F) and system voltage is more than 12 volts. The fans will stay on for approximately 3 minutes.
The PCM commands High Speed Fans ON under the following conditions:
ECT reaches 110°C (230°F).
A/C refrigerant pressure exceeds 1 655 kPa (240 psi).
When certain DTCs set
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From: Davenport, IA
221 is fine. 250 and you'l get the chime saying your car is overheating.
At idle, theres no air flow.
Best bet is to turn the HEATER on, not the a/c. Why? It helps disperse the heat. Your fans should be coming on @ 217 regardless...
Also, rev the motor a little to get that coolant circulating.
The reason it gets hot is because that hot coolant (from the weather, or the motor itself) is just trickling by...give it so gas to speed it up. it will drop the coolant temps pretty rapidly.
At idle, theres no air flow.
Best bet is to turn the HEATER on, not the a/c. Why? It helps disperse the heat. Your fans should be coming on @ 217 regardless...
Also, rev the motor a little to get that coolant circulating.
The reason it gets hot is because that hot coolant (from the weather, or the motor itself) is just trickling by...give it so gas to speed it up. it will drop the coolant temps pretty rapidly.
I've hit 220°F before, but the fans quickly engage and bring it back down. When it's ******* 95°F outside, and it's super humid and muggy, and you're driving her hard, what can you expect?
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From: NEPA
agreed .... the 2.2 radiator is smaller than the 2.0's. my buddy has a 2.2 and his avg. temp crusing around is 190-195 mine is 180-183.
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From: Chico, CA
My SS/TC will hit 220 on a hot day here (115 in the shade). I have seen my mom's Solstice GXP hit 225 in the same kinda weather.
On the 2.0 Turbos the temp warning light is set for 230. As long as its below that you are ok.
On the 2.0 Turbos the temp warning light is set for 230. As long as its below that you are ok.
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