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2002 Chevrolet Avalanche Support Question

2002 Chevrolet Avalanche Support Question

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Question posted by moateef on August 20th, 2015

Engine Prot.off

When im run the air conditioner constantly revolve engine cooling fan and air-condition and separates separates AMP heat and a message appears .A-C engine protection off

Current Answers

Answer #1: Posted by waelsaidani1 on August 29th, 2015 10:21 AM
This answer was accepted by the poster of the original question.
waelsaidani1

Member since:
May 12th, 2013

Points: 19,501,797
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It has a leak,Cooling fan problem, Maybe a head gasket issue,bad thermostats... Most likely... See a mechanic for hands-on diagnosis.

Related Manual Pages

Owner's Manual - Page 5

Table of Contents (cont'd) Comfort Controls and Audio Systems Section 3 Heating and Air Conditioning Setting the Radio Clock Radio/CD Player Radio Theft-Deterrent Feature Your Driving and the Road Section 4 Defensive Driving Drunken Driving Control of a Vehicle Braking Steering Driving Tips for Various Road Conditions Off-Road Driving Recreational Vehicle Towing Loading Your Vehicle...
Owner's Manual - Page 187

..." in the Index. Check Coolant Temp This message is low on coolant. Engine Overheated This message is displayed when the cooling system temperature gets too hot. See "Engine Coolant" and "Engine Coolant Temperature Gage" in the Index for the engine coolant protection mode. This message will be displayed after the air conditioning system has automatically turned off for further information...
Owner's Manual - Page 191

... 3- 3-1 Be sure to operate the comfort control and audio systems offered with your vehicle. 3-2 3-4 3-8 3-9 3-9 3-9 3-10 3-12 3-12 Comfort Controls Electronic Climate Control System (If Equipped) Air Conditioning Heating Defogging and Defrosting Rear Window Defogger Ventilation System Audio Systems Setting the Clock 3-12 3-17 3-20 3-20 3-21 3-21 3-21 AM-FM Stereo with your...
Owner's Manual - Page 192

... come out of the control panel adjusts the fan speed. To turn the fan off, turn the knob to OFF. 3-2 Turn the knob counterclockwise toward the red area for cooler air. Fan Knob (Fan): The knob on the left side of the floor outlets. Comfort Controls Heater and Air Conditioning Comfort Controls Temperature Knob The middle knob...
Owner's Manual - Page 193

...setting directs most of outside air entering the vehicle to a very small amount. The air conditioning compressor may run to assist in this mode. Recirculation will cancel outside air operation. This button is... air button will cause the system to recirculate interior air continuously and may run to dehumidify the air to fog if the passenger compartment floor is located under the fan...
Owner's Manual - Page 194

The LED indicator will flash three times indicating that forced outside air temperature drops below a level at which air conditioning is not available. Air conditioning will be automatically disabled when the outside is activated and recirculation is effective. Electronic Climate Control System (If Equipped) Fan Knob (Fan): The knob on the system is high in situations such as...
Owner's Manual - Page 196

... fog if the passenger compartment floor is not so great, the system will cancel outside air. 3-6 Recirculation will not change. After demand on the system is excessively wet. The air conditioning compressor may run to dehumidify the air to prevent window fogging. (Blend): This setting divides airflow equally between the floor outlet and the windshield...
Owner's Manual - Page 197

... automatic control (both the fan and mode knobs in cool weather, the airflow may come primarily from the floor or instrument panel outlets, with the 74_F (23_C) setting and allow about 20 minutes for heat, the airflow will be directed out the floor outlets. With the automatic setting, the air conditioning compressor automatically cycles when...
Owner's Manual - Page 198

... into your vehicle to cool down. This setting also cools air the fastest and can be cooled. When using the air conditioner, turn off the recirculation setting and use the outside air temperature, engine coolant temperature or the time since the engine was last started. This sensor is available. As the coolant warms up, the fan speed will gradually increase...
Owner's Manual - Page 201

... defroster will also enter the vehicle when the heater or the air conditioning fan is moving. With the side windows closed, air will flow through the vehicle, and out the air exhaust valves. Ventilation Tips D Keep the hood and front air inlet free of the heating and air conditioning system. 3-11 D When you have the recirculation button pushed in...
Owner's Manual - Page 293

...Vehicle Towing" in the Index. 5-9 Towing a trailer in the Index. See "Message Center" in the overheat protection mode should be driven to be avoided. Overheated Engine Protection Operating Mode If an overheated engine condition exists and the REDUCED ENGINE POWER message is displayed, an overheat protection mode which alternates firing groups of coolant loss, change the oil and reset...
Owner's Manual - Page 294

...: (Continued) Wait until there is no coolant, your vehicle can be covered by your warranty. See "Overheated Engine Protection Operating Mode" in it cools down. See "Overheated Engine Protection Operating Mode" in the Index. 5-10 Just turn it . The costly repairs would not be badly damaged. You or others could be badly burned. Stay ...
Owner's Manual - Page 295

...air conditioner is about 10 minutes. If the warning continues, pull over, stop, and park your heater to full hot at the highest fan speed and open the window as normal idle speed for three minutes while you get a little too hot when you: If you no sign of the vehicle until the engine...cools down the accelerator until it off the engine...see "Overheated Engine Protection Operating Mode"...
Owner's Manual - Page 297

.... 5-13 If you could cause an engine fire, and you run the engine if there is cold, the coolant level should be burned. Don't touch them. If you do, you drive the vehicle. See "Overheated Engine Protection Operating Mode" in the cooling system. CAUTION: Heater and radiator hoses, and other engine parts, can be very hot. Get...
Owner's Manual - Page 298

.../50 mixture of coolant other than DEX-COOLR is not covered by your vehicle needs service. In addition, the engine coolant will require change sooner -- Wait for more information. See if the engine cooling fan speed increases when idle speed is hot. They are under pressure, and if you badly. CAUTION: Steam and scalding...
Owner's Manual - Page 302

... the coolant surge tank may be lower. With the coolant surge tank pressure cap off, start the engine and let it run until the level reaches the FILL COLD mark. 5-18 3. Watch out for the engine cooling fan. Then fill the coolant surge tank with the proper mixture, to the coolant surge tank until you...
Owner's Manual - Page 303

... engine cooling fan. This is not required and the clutch disengages. 5. Then replace the pressure cap. This improves fuel economy and reduces fan noise. The fan will go away as the clutch more air to cool the engine. Be sure the pressure cap is not fully engaged. You may hear an increase in fan noise. In most everyday driving conditions...
Owner's Manual - Page 327

... Automobile Manufacturers Association and endorsed by the Canadian Vehicle Manufacturers' Association for better vehicle performance and engine protection. California Fuel If your vehicle is certified to operate on the fuel pump. Additives Some gasolines that the condition is caused by your authorized GM dealer for low emissions may contain an octane-enhancing additive...
Owner's Manual - Page 393

... SEO 2 SEO 1 DRL A/C FOG LP FOG LP RADIO CIGAR RT TURN Usage Heated Mirrors Left Headlamps Air Conditioning Cigarette Lighter, Auxiliary Power Outlets Special Equipment Option Power, Power Seats, Aux Roof Mnt Lamp Special Equipment Option Power, Aux Roof Mnt Lamp Daytime Running Lamps A/C (Relay) Fog Lamps Fog Lamps (Relay) Audio System, Instrument Cluster...
Owner's Manual - Page 417

...found in the floor pan or could cause a heat build-up , binding, leaks, cracks, chafing, etc. See "Engine Exhaust" in the Index. Engine Cooling System Inspection Inspect the hoses and have them replaced...of the cooling system and pressure cap is recommended at least twice a year (for damaged, loose or missing parts, signs of wear or lack of the radiator and air conditioning condenser. ...

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