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1999 Cadillac DeVille Support Question

1999 Cadillac DeVille Support Question

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Question posted by sandynb on January 15th, 2013

Engine Coolant Leaking Totally.

On two occasions engine coolant has drained completely from my car.  The radiator and hoses were inspected and found not to be the issue.  Some thoughts Please.

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Related Manual Pages

Owner's Manual - Page 5

.... yellowblue Vehicle Symbols These are some other symbols you may find on warning and indicator lights: Here are some of the symbols you may see: ENGINE COOLANT TEMP WINDSHIELD WASHER BATTERY CHARGING SYSTEM FUSE DOOR LOCK UNLOCK TURN SIGNALS LIGHTER PARKING LAMPS FASTEN SEAT BELTS WINDSHIELD DEFROSTER HORN BRAKE HAZARD WARNING FLASHER...
Owner's Manual - Page 61

...) PASS-KeyR II New Vehicle "Break-In" Ignition Positions Starting Your Engine Engine Coolant Heater (If Equipped) Automatic Transaxle Operation Parking Brake Shifting Into PARK (P) Shifting Out of PARK (P) Parking ...46 2-49 2-53 2-55 2-56 2-57 2-58 2-62 2-67 2-79 Running Your Engine While You're Parked Windows Tilt Wheel Turn Signal/Multifunction Lever Exterior Lamps Interior Lamps Mirrors Storage...
Owner's Manual - Page 81

.... yellowblue 3. You'll get easier starting your vehicle. A. Transaxle Dipstick/Fluid Fill Location In very cold weather, 0_F (-18_C) or colder, the engine coolant heater can help. Engine Coolant Heater Cord C. If the vehicle starts briefly but then stops), it without damaging your vehicle. 2-21 See "Towing Your Vehicle" in a minimum of this manual...
Owner's Manual - Page 82

... extension cord rated for that you contact your vehicle. yellowblue To Use the Engine Coolant Heater 1. The electrical cord is located on the outside temperature, the kind of the engine, behind the transaxle dipstick/fluid fill location (C) and next to the engine. 3. Instead of extension cord could cause an electrical shock. CAUTION: Plugging the...
Owner's Manual - Page 132

... be a problem with your traction control system and your vehicle needs service. Adjust your engine. As a check, the light should also sound if this warning light is turned on... a problem. If it will not limit wheel spin. Engine Coolant Temperature Warning Light This light tells you that is affected by an engine-related problem, the system will turn off and the warning ...
Owner's Manual - Page 133

... is called OBD II (On-Board Diagnostics-Second Generation) and is intended to assure that there is a problem and service is required. the engine coolant has overheated. The SERVICE ENGINE SOON light comes on and a chime will be indicated by the system before any malfunction. 2-73 If the gage pointer moves into the...
Owner's Manual - Page 144

.... Have the cooling system serviced by a technician as soon as possible. A false CHECK OIL LEVEL message may appear if the vehicle is a low level of engine coolant. CRUISE ENGAGED - 43: This message will appear for five minutes and your vehicle should be running . CHECK FUEL GAUGE - 39: This message will appear when...
Owner's Manual - Page 145

yellowblue DRIVER DOOR AJAR - 140: This message will appear when the engine coolant temperature is over 248_F (126_C). A/C OFF - 16: This message displays when the engine coolant becomes hotter than 5 mph (8 km/h). Stop and turn the engine off the engine and have the system repaired as soon as a warning that the fuel level in gear under conditions...
Owner's Manual - Page 148

... is displayed, try to start the engine. Remove the ignition key and wait for the DIC to WAIT 2 MINUTES, WAIT 1 MINUTE and then START CAR. When the START CAR message is on , you want to.... If the STABILITY SYS ENGAGED message comes on to a proper service center before turning off the engine. If you 're steering. TOP SPEED - It means that the maximum speed for damage. If...
Owner's Manual - Page 160

... few seconds. That is sitting out on the outside air temperature, engine coolant temperature or the time since the engine was last started. As the interior temperature approaches a desired setting, the... blower speed will change to prevent fogging under most normal conditions. If you start your engine, except for recirculation and defrost. In cold weather, when the system senses the need ...
Owner's Manual - Page 161

...button to divide the air between AUTO and ECON. The system checks the temperature of the engine coolant to assure it until HI AUTO is shown on it is cold outside, the blower may...is used when it does not remove humidity from blowing into the passenger compartment. When the engine coolant is automatically controlled. The AUTO setting is useful when fog appears on the display. If ...
Owner's Manual - Page 163

...floor air outlets for heat, the airflow will control the air delivery mode. As the coolant warms up or down arrow to cycle through the available modes. The fan speed will decrease... will gradually increase and air will delay turning on the outside air temperature, engine coolant temperature or the time since the engine was last started. In cold weather, when the system senses the need for...
Owner's Manual - Page 250

... fan under the hood can start up even when the engine is , you may have a leak in the radiator hoses, heater hoses, radiator, water pump or somewhere else in the cooling system. Keep hands, clothing and tools away from any leak fixed before you could lose all coolant. Don't touch them. If it could be very hot. CAUTION...
Owner's Manual - Page 251

... tank pressure cap, is overheating, both fans should be no leak, with the engine on, check to the system, premature engine, heater core or radiator corrosion may result. How to Add Coolant to the Coolant Surge Tank If you haven't found a problem yet, but the coolant level isn't at 30,000 miles (50 000 km) or 24...
Owner's Manual - Page 254

..., but now push down while turning the pressure cap.) If you turn it. You can remove the coolant surge tank pressure cap when the cooling system, including the coolant surge tank pressure cap and upper radiator hose, is still some pressure left ) until it first stops. (Don't press down as you hear a hiss, wait...
Owner's Manual - Page 255

... the filler neck. 4. If the level is lower, add more of the proper mixture to the base of the filler neck. 5-17 Then fill the coolant surge tank with the proper mixture, to the coolant surge tank until you can feel the upper radiator hose getting hot. Watch out for the engine cooling fans.
Owner's Manual - Page 280

Then pull the hood down and close it firmly. Engine Coolant Fill Location C. Brake Master Cylinder 6-10 Power Steering Fluid D. yellowblue When you open the hood, you'll see: G. Engine Air Cleaner/Filter I. A. Battery B. Engine Oil Fill Location E. Engine Oil Dipstick Location F. Transaxle Dipstick/Fluid Fill Location H. Windshield Washer Fluid Before closing the hood, be ...
Owner's Manual - Page 290

...you may have to the radiator hose and below the air cleaner assembly on the air cleaner assembly to remove. Checking the Fluid Level Then, without shutting off the engine, follow these steps: D ...With your vehicle on the brake pedal, move the shift lever through each range. D Let the engine run at normal operating temperature, which is 180_F to 200_F (82_C to the vehicle by driving ...
Owner's Manual - Page 292

... kPa) pressure-type cap and must be tightly installed to be replaced, a GM thermostat is controlled by a thermostat in the engine coolant system. The thermostat stops the flow of coolant through the radiator until the TRANS FLUID RESET message appears on the cap line up. Press and hold the OFF and rear defog buttons...
Owner's Manual - Page 296

... in the system or you spill coolant on hot engine parts. Don't spill coolant on a hot engine. When to Check Power Steering Fluid It is not necessary to the engine coolant surge tank on the passenger's side of the engine. Have the system inspected and repaired. 6-26 Coolant contains ethylene glycol, and it is a leak in this system could indicate...

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