1999 GMC Yukon Support Question
1999 GMC Yukon Support Question
Find answers below for this question about 1999 GMC Yukon.Need a 1999 GMC Yukon manual? We have 1 online manual for this item!
Question posted by LadyCherry08 on January 1st, 2021
Heater/ac
The Heater & the AC doesnt work in my 1999 GMC Yukon, it sometimes makes this awful noise from the blower motor & the lights on the Control panel dont work either, what can this be? HELP!
Current Answers
Answer #1: Posted by INIMITABLE on January 4th, 2021 8:19 AM
INIMITABLE
Member since:
April 3rd, 2020 Points: 2,069,610
Member since:
April 3rd, 2020 Points: 2,069,610
This sounds like the system is low on charge this video and guides will wil you fix the problem.
https://youtu.be/uZrQCGwXfek
and
https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak
and
https://www.2carpros.com/articles/replace-blend-door-motor
Please run down these guides
https://youtu.be/uZrQCGwXfek
and
https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak
and
https://www.2carpros.com/articles/replace-blend-door-motor
Please run down these guides
I hope this is helpful? PLEASE "ACCEPT" and mark it "HELPFUL" to complement my little effort. Hope to bring you more detailed answers
-INIMITABLE
Related Manual Pages
Owner's Manual - Page 1
... fluids and lubricants to use. Features and Controls
This section explains how to start and operate your seats and safety belts properly.
You can use it to quickly find helpful information and tips about the road and how to drive under different conditions.
yellowblue
The 1999 GMC Yukon and Suburban Owner's Manual
1-1 2-1 3-1 4-1 5-1 6-1 7-1 8-1 Seats and Restraint...
Owner's Manual - Page 71
...Features and Controls
Here you if everything is working properly -- Also explained are the instrument panel and the...If Equipped) Your Doors and How They Work Theft PasslockR New Vehicle "Break-In" Ignition Positions Starting Your Gasoline Engine Engine Coolant Heater (If Equipped) Automatic Transmission Operation Four-...Panel Instrument Panel Cluster Warning Lights, Gages and Indicators
2-
2-1
Owner's Manual - Page 85
... cord into a normal, grounded 110-volt AC outlet.
2-15 If you don't, it could cause an electrical shock. The answer depends on the driver's side of trying to list everything here, we ask that particular area. To Use the Engine Coolant Heater
1. The dealer can help.
CAUTION:
Plugging the cord into an ungrounded...
Owner's Manual - Page 154
... speed. Move the knob counterclockwise to adjust
3-2 VENT/HEAT: Use this setting to the heater outlets and toward HI. Temperature Knob The middle knob on the control panel allows you to OFF. Mode Knob The right knob on the control panel lets you to the blue area for warmer air. The knob has four speed...
Owner's Manual - Page 155
... mode knob will vent to the blue area for the OFF position. To increase airflow, move it toward the windshield.
3-3 yellowblue
Heater and Air Conditioning Control System (If Equipped)
Temperature Knob The middle knob on the control panel lets you select the relative temperature of the air flowing into the passenger area of air...
Owner's Manual - Page 156
...If your vehicle has rear air conditioning (without rear heater), the controls are located above the front and second seats. The front and rear overhead controls let you can be on the system you have ... you can send cooled or heated air to the blower position you want.
3-4 With the front air conditioning system off, the rear system controls can increase and decrease the airflow at the rear ...
Owner's Manual - Page 157
..., move the switch marked REAR HEAT to the rear floor vents, move the switch toward LOW. To increase the flow of heated air to the blower speed you have a rear heater (without rear air conditioning), the control switch is located on the instrument panel.
Owner's Manual - Page 158
..., turn the knob clockwise to the desired blower setting.
To adjust the airflow speed, turn the knob counterclockwise. The rear control works just like the front control. The control knob can be set to adjust the controls as they desire.
3-6 To activate the rear control, move the fan knob on the control panel. Generally, the upper vents are provided...
Owner's Manual - Page 159
Heating
The heater works best if you keep your windows closed for the air conditioner to work its best. This setting helps to place the air conditioning system ...the control panel is useful for maximum cooling. This setting is between HEATER and DEFROST, the recirculation feature will produce warmer air faster, to heat the passenger compartment in the recirculation mode and helps ...
Owner's Manual - Page 160
...heater or the air conditioning fan is running, unless you close the outlets altogether.
Your vehicle's ventilation system supplies outside air through your vehicle when it will flow into the front air inlet grilles, through the instrument panel... vent position.
3-8 For more information on the sides of your instrument panel. You can move the outlets from side-to-side or up and ...
Owner's Manual - Page 161
...you need additional warming time, press the button again. To turn the
blower fan to keep the windshield and side windows clear. The rear window defogger...work far better, reducing the chance of fogging the inside of ice, snow or
any time by pressing the button. The heater and defroster will shut itself off at any other obstruction (such as possible. This helps air to the fan control...
Owner's Manual - Page 223
Let the heater run for the..., you can get enough heat. Clear away snow from time to time to run the engine, make it , so you must. That is blocking your headlamps. yellowblue Run your vehicle, especially any ...under your vehicle. But do some fairly vigorous exercises every half hour or so until help keep CO out.
4-41 Preserve the fuel as long as you might not know it...
Owner's Manual - Page 252
... hear no sign of steam, try this for long periods in the Index.
otherwise, shift to get service help right away.
D D D D
Climb a long hill on Grades" in traffic. If you have the ...the highest gear while driving -- If the warning continues, pull over, stop, and park your heater to full hot at least three minutes while you no sign of the vehicle until the engine speed...
Owner's Manual - Page 254
... burned. CAUTION: (Continued)
5-12 If you may have a leak in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. If it isn't, you run ...lose all coolant. NOTICE:
When adding coolant, it could be very hot. NOTICE: (Continued)
CAUTION:
Heater and radiator hoses, and other engine parts, can be at or above the COLD mark.
yellowblue
CAUTION: ...
Owner's Manual - Page 255
... start the engine again. CAUTION:
Adding only plain water to the system, premature engine, heater core or radiator corrosion may result. With plain water or the wrong mixture, your cooling ...for more information.)
NOTICE:
In cold weather, water can freeze and crack the engine, radiator, heater core and other liquid like alcohol, can be dangerous. If it doesn't, your vehicle needs ...
Owner's Manual - Page 305
... corrosion. NOTICE:
When adding coolant, it is controlled by a thermostat in your vehicle for 5 years...coolant reaches a preset temperature. Let the warning gages work as they should. This coolant is filled with the...thermostat, an ACR thermostat is added to the system, premature engine, heater core or radiator corrosion may result. D D D D D
...Help keep the proper engine temperature.
Owner's Manual - Page 307
..., or a little higher.
yellowblue
NOTICE:
If you use the proper coolant, you have to improve the system. These can freeze and crack the engine, radiator, heater core and other parts. If you don't have your dealer check your cooling system. The vehicle must be harmful.
Owner's Manual - Page 344
..., EVRV Idle Coast Solenoid, Heated O2, Fuel Heater (Diesel Engine), Water Sensor (Diesel Engine) Not Used HTD ST-RR LIGHTING Headlamp and Panel Dimmer Switch, Fog and Courtesy Fuses BATT Battery,... Fuse Block Busbar Ignition Switch IGN-A IGN-B Ignition Switch ABS Anti-Lock Brake Module BLOWER Hi Blower and Rear Blower ...
Owner's Manual - Page 405
...make any time without notification. GMC reserves the right to GMC Roadside Assistance for emergency services.
8-7 Canadian Roadside Assistance
Vehicles purchased in Canada have any reasonable trip interruption expenses (up to retail and retail lease customers operating 1999 GMC light...be required to the separate brochure provided by GMC Roadside Assistance. Should you will be pre-...
Owner's Manual - Page 410
... give technical service information needed to Helm, Incorporated (address below.)
CURRENT PUBLICATIONS FOR 1999 GMC
SERVICE MANUALS Service Manuals have the diagnosis and repair information on unit repair service procedures...your check, money order, or credit card information to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...
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