1994 GMC Suburban Support Question
1994 GMC Suburban Support Question
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Question posted by volthandler on November 11th, 2013
1994 Gmc Suburban Sle: Heater Does Not Blow Hot.
heater does not blow hot. if i cycle to A/C that worksfine but when i trie to raise the heat all i get is the ambient air temperature in both front and rear system control. could it be my thermostat? there seems to be a bit of coolant leakage at the upper hose inlet on the engine. and when the motor is warmed up the upper hose seems to be under quite a bit of pressure.
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Related Manual Pages
Owner's Manual - Page 3
... in your pleasure and satisfaction with the operation and maintenance of your 1994 GMC Yukon or Suburban and to assureyou of our continuinginterest in Assistance Information booklet. This will... companies. We want to provide important safety information.
INTRODUCTION
1994 GMC Yukon and Suburban Owner's Manual
Welcome
This manual was prepared to acquaintyou with your vehicle.
Owner's Manual - Page 4
For vehicles first sold in Canada, substitute the name "General Motors of Canada Limited" for GMC Truck Division whenever it . GMCTRUCK
General Motors, GM and the GM Emblem, GMC, Yukon and Suburban are registered trademarks of control or an accident. If you sell the vehicle, please leave this manual in it so the new owner...
Owner's Manual - Page 70
...floor, then shift your gear selector to "P" (Park) or "N" (Neutral). And the excessive heat can damage your ignition key to START. Then hold your key in START. When the engine starts... if your accelerator pedal all the way down as your ignition key to OFF. Hold it starts.
3. Hot Engine Restart (VehiclesWith 5.7L LO5 Engine and Over 8500 lbs. Try this:
Wait 15 seconds to the floor...
Owner's Manual - Page 71
... Before adding electrical equipment, check withyour dealer. of this can come in through your engine's air intake and badly damage your engine. If you add electrical parts oraccessories, you don't, your ...
NOTICE:
Your engine is already hot and then stalls, turn your key to OFF. If your engine is designed work with the electronics in through the air intake, and this the manual ...
Owner's Manual - Page 73
... follow the steps in "Running Outof Fuel" (see the coolant temperature gage. Andthe excessive heat can damage your enginerun when you 're trying to see ...vehicle. When your engine is outside temperature drops below 0°F (-1 8°C)' use the coolant heater until the garage temperaturegoes below freezing. This could damage your engine coolant heater. Your engine will cause your ...
Owner's Manual - Page 74
...
Plugging the cord into a properly grounded three-prong 110-volt outlet.
It will not harm either the coolant heater or the vehicle to -23°C)
Two Hours* Two Hours:$
Below -10°F Below -23&#...°C)
Not Required Not Required
0°F to -10°F (-18°C to leave the coolant heater plugged in ? The answer depends on the weather, the kind of extension cord could be torn ...
Owner's Manual - Page 75
... Fuel Requirements and Fuel System" in the Index. Be sure you have enough charge to start , do this: Turn your engine won 't start . Engine Coolant Heater (Engine Block Heater
4
2-19 lf Your Diesel Engine Won't Start
If you've run out of fuel, look at the proper times.
If you 're not out...
Owner's Manual - Page 76
... as cord it was before to starting better fuel economy during engine and warm-up. You'll get easier starting your vehicle. To use the coolant heater:
1. Plug it could damaged. Instead of trying to list everything here, we ask that you contact a GM dealer in a minimum of oil you 've used...
Owner's Manual - Page 142
... optionalon gas engine vehicles.
An engine coolant heater is what yourheating system will look like.
3-4 When you start -up in the Index. Heating System (Without Air Conditioning)
If your coolant level may blow out cool air. Diesel Engine
If you idle your diesel engine for the engine to reach normal operating temperature, and shortens the time it is...
Owner's Manual - Page 144
... the temperature you select the temperature of the air flowing into the passenger area of hot air. The temperature is shown on the display by an arrow moving between the figure's feet (floor air flow) and head (vent air flow). See "MAX Button" in this section for warmer air.
Heater (Bottom) : Press the bottom of the system display control the air flow...
Owner's Manual - Page 146
... has either orboth of the heater outlet whenever the vehicle is shown on the system you have and the setting selected, you must press A/C, MAX, or one of the vehicle.
Outside airwill still come back on. Rear Air Conditioning and Heating Systems (Wagon Models)
If your system control panel. Front Control
Rear Control
3-8 The fan has four settings...
Owner's Manual - Page 147
... rear control can be used to the turn the blower on it to circulate air in the rear of heated air.
3-9
To increase and decrease the flow of heated air to the rear floor vents, move the switch with the fan symbol on high, providing maximum flow of the vehicle. Rear Heater (Without Rear Air Conditioning)
If you have a rear heater (without rear air conditioning),the control switch...
Owner's Manual - Page 148
... heating: However, the control knob may be set to allow second seat passengers to the desired blower setting.
This will allow any desired blend of the control panel to adjust the controls as they desire.
3-10 To adjust the air flow speed, turn the temperature knob on the control panel. Rear Air Conditioning and Rear Heater
If your vehicle has a rear air conditioningand rear heater...
Owner's Manual - Page 149
...if the ignition switch is turned to scrape themoff. These are the wire-like elements which heat your rear window could cut and damage of the defogger.Your warranty would not cover this option by ...can tell if your instrument panel, just below the heater system. If the defogger shuts off after several minutes, so that the glass does not get too hot. then release it .
If you see lines running...
Owner's Manual - Page 216
...'t come back on, you still have an air conditioner, turn it off.
2. Tow a trailer. If the warning continues, pull over, stop, and park your heater to lift the hood, here's what you ...get a little too hot when you 're in traffic. Engine fm(s)
C. Idle for about twice as fast as necessary.
3. If you : Climb a long hill on your vehicle right away. Coolant recovery tank
B. Sometimes...
Owner's Manual - Page 223
... air conditioning, the auxiliary electric fan
under thehood can start the engine again. Keep hands, clothing and tools awayfrom any leak fixed before you may have a leak in the radiator hoses, heater ...is doubled by your vehicle needs service. A CAUTION:
Heater and radiator hoses, and otherengine parts, canbe very If hot. I
The coolant level should be no leak, start up even whenthe engine...
Owner's Manual - Page 225
So
1. In cold weather, water can remove the coolant surgetank pressure cap when the cooling system, includingthe coolant surgetank pressure capand upper radiator hose,is no longer hot.
5-21 use the recommended coolant. You can freeze and crack the engine, radiator, heater core and other parts.
Owner's Manual - Page 332
... and Turn Lamp Rear Parking Lamp Rear Stop and Turn Lamp Backup Lamp
55/65
65
TRADE NO.
Roof Marker Lamp* License Plate Lamp Underhood Lamp Reel Lamp
$'Suburban Only
194 2357NA 3057 3057 3156 194 194 232
232
2
4 2 2 2 5 2
1
1
INTERIOR Dome Lamps Reading Lamps Roof Console Lamps Courtesy Lamp Heater or A/C Control Lamp Four Wheel...
Owner's Manual - Page 370
...vehicle will by another person (i.e., friend, neighbor, etc.) in lieu of Commitment Plus eligible 1994 GMC light duty trucks. This servicecombines the efforts of a loaner. (Bringing vehicles in late in...keys, changing a tire,or delivering gasoline, at no charge such as location of the nearest GMC Truck dealer and their hours of $10 a day for disabled vehicles. Should you in the day,...
Owner's Manual - Page 374
...order using your credit card, call 1-31 3-455-8016
GLOVE BOX LITERATURE FOR YOUR YUKON AND SUBURBAN Manual Owner's Manual $1 X-9409 0.00 Manual Warranty $ 3.00 Storage al Vehicle x-0101 You...fill out the order form on the next page and send it costs $15.00. 1994 SERVICEPUBLICATIONS ORDERING INFORMATION
You can also order the Glove BoxLiterature in avinylportfoliowhich includes all of ...
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