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2009 Pontiac G6 (2009.5) Support Question

2009 Pontiac G6 (2009.5) Support Question

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Question posted by johndarla on August 11th, 2015

Cooling Fans Wont Start Unless Ac Is On

cooling fans wont start unless A.C. is turned on

Current Answers

Answer #1: Posted by TechSupport101 on August 12th, 2015 6:06 AM
This answer was accepted by the poster of the original question.
TechSupport101

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This is often caused by a defect water temperature sensor switch not opening when coolant reaches the set temp.

Related Manual Pages

Owner's Manual - Page 89

... needs to be reset after 10 minutes, unless a time extension has been done or the vehicle's key is inserted into the ignition switch and turn it is the first remote start since the vehicle has been driven, repeat these steps, while the engine is running. • Turn on page 2-3 for additional information. 3. However...
Owner's Manual - Page 105

...a few seconds or until the vehicle starts. Starting the Engine Move the shift lever to START. If the engine does not start in starting it. With your foot off the accelerator pedal, turn the ignition to P (Park) or... between each try to shift to P (Park) if the vehicle is turned to let the cranking motor cool down as the engine warms. Do not race the engine immediately after cranking...
Owner's Manual - Page 141

... more than 15 seconds, the vehicle's headlamps turn the intermittent adjust band with this symbol on the windshield, blocking your washer until it cools. Heavy snow or ice can form ice on... wiper lever until the windshield wipers start; When the button is released, the washers stop after the wipers are bars, increasing in the intermittent position, turn on . { CAUTION: In freezing...
Owner's Manual - Page 146

... the parking lamp position. Do not cover this sensor or the head lamps will be turned on , turn the exterior lamps control to see the front of the instrument panel that are needed ..., sidemarker lamps, parking lamps, and instrument panel lights are met: • The ignition is on unless you turn the exterior lamp control to AUTO. • The exterior lamps control is in AUTO. • ...
Owner's Manual - Page 150

... the vehicle's battery. Battery Run-Down Protection The battery run-down feature is turned off, the battery run-down protection system automatically shuts the lamp off and then... as: headlamps, high beams, fog lamps, rear window defogger, climate control fan at high speed, heated seats, engine cooling fans, trailer loads, and loads plugged into accessory power outlets. Normally, these actions...
Owner's Manual - Page 152

... side windows. 3-20 When it is divided between the air to increase or decrease the temperature inside of the remote start feature. For more information, see Engine Coolant Heater on page 2-4. 9 (Fan Control): Turn the knob clockwise or counterclockwise to run the air conditioning compressor. Select from the following modes: H (Vent): Air is...
Owner's Manual - Page 156

Turn the fan knob and the air delivery mode knob to place the climate control system in the vehicle...air inlet is chosen the system remains at the maximum cooling setting. Air Delivery Mode Control F. The air conditioning compressor runs when the outside air. Fan Control B. Air Conditioning C. To find your comfort setting, start with an initial temperature setting and allow about 40&#...
Owner's Manual - Page 157

... depends on the headlamps. The remote start feature, the climate control display initially shows "RS" in cold weather, the system delays turning on the lower right side of the temperature to clear the window. Choosing either maximum setting will change the fan to heat or cool faster. Turning the fan knob overrides this delay and change...
Owner's Manual - Page 158

...the button comes on while the air conditioning is started, the system reverts to cancel the auto recirculation ...fan speed if AUTO mode is selected while in these modes, the indicator light flashes three times to the floor and windshield outlets. 0 (Defrost): This modes clears the windshield of time can be used with some air directed to turn the outside temperature is cool...
Owner's Manual - Page 255

... 5-39. Pressure Cap. H. I. Engine Oil Dipstick. Engine Coolant Surge Tank. J. Windshield Washer Fluid Reservoir. Engine Oil Fill Cap. Power Steering Fluid on page 5-33. C. Engine Cooling Fan. See Cooling System on page 5-21. D. See "When to Add Engine Oil" under Windshield Washer Fluid on page 5-40. 5-17 F. G. See...
Owner's Manual - Page 257

C. Electric Engine Cooling Fans (Out of View). F. Pressure Cap. Automatic Transmission Fluid Cap/Dipstick. See Engine Compartment Fuse ...Fluid (3.9L Engine) on page 5-40. 5-19 Power Steering Fluid on page 5-112. See Cooling System on page 5-45. I. Battery on page 5-32. See Cooling System on page 5-33. See Engine Coolant on page 5-32. See "Checking the Fluid Level"...
Owner's Manual - Page 270

...described under "How to Check Automatic Transmission Fluid" earlier in all the way. Engine Cooling Fans B. If the fluid level is obtained, reinstall the dipstick back in this section... It does not take much fluid, generally less than a half pint (0.24 L). Cooling System The cooling system allows the engine to maintain the correct working temperature. 3.6L V6 Engine shown, 2.4L...
Owner's Manual - Page 271

...if there is low. Do not run the engine, it is a leak. The following explains the cooling system and how to remain in the vehicle for five years or 150,000 miles (240 ... not be burned. Get any underhood electric fan. The coolant is not running and can cause injury. { CAUTION: An electric engine cooling fan under the hood can start up even when the engine is designed to...
Owner's Manual - Page 273

... are hot enough. See Engine Coolant for more information. How to Add Coolant to overheat and be severely damaged. { CAUTION: An electric engine cooling fan under the hood can start up even when the engine is not, you spill coolant on the coolant surge tank. Keep hands, clothing, and tools away from any...
Owner's Manual - Page 274

... you hear a hiss, wait for at least five minutes. 5-36 They are under pressure, and if you badly. Never turn the cap when the cooling system, including the surge tank pressure cap, is below the FULL COLD mark, add additional coolant to bring the level up to stop. { CAUTION: Steam ...
Owner's Manual - Page 275

...If coolant is properly and tightly secured. You may occur. Then check to see if the engine cooling fans are not, do decide to lift the hood, make sure the vehicle is not tightly installed, coolant...the coolant surge tank might be badly damaged. 4. With the coolant surge tank pressure cap off, start the engine and let it run the engine and have the vehicle serviced. Watch out for more...
Owner's Manual - Page 276

...CAUTION: Steam from it. See Overheated Engine Protection Operating Mode on , continue to the highest fan speed. If the overheat warning is displayed with no longer displays, the vehicle can be seen... engine is cool. Climbs a long hill on driving to P (Park) or N (Neutral) and let the engine idle. Turn the air conditioning off the road, shift to a safe place in it cools down. You...
Owner's Manual - Page 286

...positive (+) or to a remote positive (+) terminal if the vehicle has one . { CAUTION: An electric fan can start up even when the engine is not running . 5-48 You do not, explosive gas could be present...loose or missing insulation. People have been hurt doing this can cause sparks. { CAUTION: Fans or other parts too. Battery fluid contains acid that would damage the battery and ...
Owner's Manual - Page 309

...be an early indicator that the air pressure in flated to a receiver located in cool weather when the vehicle is not covered by the driver. The TPMS sensors monitor the air ...Pressure Monitor System (TPMS). Sensor damage caused by using a tire sealant is first started, and then turn off as you about the DIC operation and displays see Inflation - Tire Pressure Monitor...
Owner's Manual - Page 352

... Headlamp High Beam Right Headlamp High Beam Engine Control Module (Battery) (LE5, LY7) Windshield Wiper Antilock Brake System (IGN 1) Engine Control Module (IGN 1) (LE5, LY7) Cooling Fan 1 Cooling Fan 2 Run Relay, Heating, Ventilation, Air Conditioning Blower Body Control Module 1 Body Control Module Run/Crank Rear Electrical Center 1 Rear Electrical Center 2 Antilock Brake System Body...

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