1995 Buick Roadmaster Support Question
1995 Buick Roadmaster Support Question
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Question posted by momsbuick on June 15th, 2012
Coolant
fill fluid reservoir and it still says "low coolant" and will overheat
Current Answers
Answer #1: Posted by roadrunnertim on June 15th, 2012 11:23 PM
roadrunnertim
Member since:
May 9th, 2012 Points: 1,071,190
Member since:
May 9th, 2012 Points: 1,071,190
Does the coolant level in the overflow tank go down after you shut off the car? That should be when the radiator draws the coolant back into it. If the overflow tank coolant level doesn't go down, something is wrong with the system.
The first thing to do is to check the coolant level in the radiator. Make sure the radiator is cold and then remove the cap. It should be full to the top or close to it. If it isn't full, top it off.
Never rely on the overflow tank to keep your radiator full, especially if it overheats even once. There can be a lot of reasons why the overflow tank is not bringing coolant back into the radiator. The radiator cap could be plugged up with sediment or defective, which will prevent the coolant from going back into the radiator. Or the hose from the overflow tank to the radiator could be plugged up. The overflow tank will also plug up with sediment, making it almost impossible for the coolant to flow back into the radiator.
The best thing to do is remove the overflow tank, empty it out and clean out any sediment. Then put new coolant in it and toss (recycle) the old coolant. Make sure the hose is free of sediment as well. I would also buy a new radiator cap to play it safe. You cannot let your car overheat more than once or twice. You will do serious damage to the engine if it keeps over heating.
Related Manual Pages
Owner's Manual - Page 12
... TEMP BAllERY CHARGING SYSTEM BRAKE
Here are on your controls:
WIPER
w
-FI-1
RELEASE
e
BELTS
4
TURN SIGNALS WINDSHIELD DEFROSTER
RADIATOR COOLANT
(a) a
&
RADIO VOLUME
AIR CONDITIONING TRUNK RELEASE
POWER WINDOW
WINDOW DEFOGGER
FUEL ENGINE OIL PRESSURE4-
LAMPSoR , HIGH BEAM =
=o
VENTILATING FAN
1
TEMP OIL ANTI-LOCK BRAKE
LIGHTER
m
t
,1, ...
Owner's Manual - Page 76
...
2-1s you have, and some other things. Turn off the engine.
2. Insteadtrying to keep the coolant heater plugged in? The dealer can give the best advicefor that you contact your Buick dealer inthe area... where you particular area.
3. To use the coolant heater:
1. The answer dependson the weather, the kind of everything here, we ask that ...
Owner's Manual - Page 112
..., how much fuel you're using, and
many other things you know to know ata glance how your vehicle is running. LOW COOLANT LEVEL
& HOT
TEMP
A r
LOW CHANGE OIL OIL LEVEL
LOW WASH FLUID
VOLTS
SERVICE ENGINE SOON
.
~0101010101112]
APPLY BRAKE TO SHIFT FROM PARK
UNLEADED FUEL ONLY
FUEL CRUISE
BRAKE
LOCK
1
Your instrument panelis...
Owner's Manual - Page 118
... this shows what to do . "Engine Overheating"in the See Index. It means that your engine coolant has overheated. If you have been operating your vehicle under normal driving conditions, you that your badly! Engine Coolant Temperature Warning Light
This red light comes on the Road," in manual this manual shows what...
Owner's Manual - Page 119
Low Coolant Warning Light
If you havethis amber light and it comes on, the system is low on coolant and the engine may overheat.
LOW COOLANT LEVEL
SERVICE ENGINE SOON
Canadian vehicles have this malfunction indicator lamp. Malfunction Indicator Lamp
Domestic vehicles are equipped with this malfunction indicator lamp.
2-61
Owner's Manual - Page 122
...for five seconds, it receives The contains information about engine speed (revolutions per &Ute), coolant temperatureand vehicle speed.The oil life monitor uses this , the CHANGE OIL light many comeon ...to change youroil depend$ an driving habits and conditibns because these directly affect engine speed, coolant temperature and vehick speed. Battery Light
When youturn the key to RUN or START, ...
Owner's Manual - Page 123
... until you get there, turn off all accessories, and set cruise control.
LOW WASH FLUID
GATE AJAR
Cruise Control Light
This light comeson when you Low should take your vehicle needs service, and you set your air system to To your battery until the tailgate has been fully closed. Gate Ajar ...
Owner's Manual - Page 128
... delay turning on the FAN button has been pressed) as the system gets to avoid blowing cold air.
The lengththe of delay depends on engine coolant temperature, outside temperature and time since the engine was last started.
Owner's Manual - Page 166
...I
.
1 ~
1 .
,. ; .++>$.$i! : :
,
Before Leaving on a Long Trip
Fuel, Engine Oil, Other Fluids: Have you can easily drivein. Is the tread good enoughfor .of :at higher speeds, you may tendthink you are going ... not *to your a short ;service, haveit done before a trip:
e Windshield Washer Fluid: the reservoir full? e Lamps: Are they i good shape? If you Try rmust start when you long...
Owner's Manual - Page 169
... a bag small of sand, a piece old carpet or a couple burlap bags of of reflective warning triangles. I
,
. of windshield washer fluid, a rag, some tipsfor winter driving: Have your Buick in your engine coolant is correct.
And, if you properly secure Be these items in good shape for winter. Be sure your vehicle.
4-23
Owner's Manual - Page 195
... on your instrument panel.
. Tow a trailer.
Stop after high speed driving. You will find a low coolant warning light on a hot day. Sometimes the engine canget a little too hot when you get the overheat warning but or hear no coolant, your vehicle can be covered by your warranty. Idle for long periods in traffic.
Engine...
Owner's Manual - Page 196
... , normally.
If the warning continues, pull over, stop, and park your heater to you getthe overheat waming withno sim of stem, try thisfor a minuteor so:
1. Coolant Surge Tank Pressure with Cap '. , If there's still no longer have the overheat warning, you can
drive. When you can chve on your vehicle right away. air...
Owner's Manual - Page 230
.... especially in PARK (P). outside temperatures are above " F ( 10" C). To check transmission fluid cold: cold checkis A 0 Let the engine run idle for and then remains steady ten minutes...fluid level.
6-14 Wait atleast 30 minutes before adding fluid. To get the right reading, the fluid should be low during a cold check, youmust perform a hot check before checking the transmission fluid...
Owner's Manual - Page 233
... engine could overheat and be covered by your Buick will: Give freezing protection down to add anything else. The repair cost wouldn't be badly damaged. Use GM Engine Coolant Supplement (sealer) with any complete coolantflush and refill.If you use this mixture, you use a recycled coolant conforming to and add coolant when is low. Let...
Owner's Manual - Page 235
... Cap NOTICE:
Your surge tang cap is cool. J
To Add Coolant I you 're low on , it
6-19 thermostat stops the The flow of coolant throughthe radiator until the coolant reaches a preset temperature. See "Low Coolant Light'' in the engine coblant system.
it means you need more coolant, add proper mix at the f the surge tank, but only...
Owner's Manual - Page 315
... details. at once. See "Engine Oil"in P r D.
Power Antenna Engine Coolant Level Check the engine coolant level and add the proper coolant mix if necessary. "Coolant" inthe Index for further details. Be sure any necessary repairs completed at
Windshield Washer Fluid Level
Check the windshield washer fluid level inthe windshield washer tank and add the proper...
Owner's Manual - Page 319
... 5W-30 engine oil. Power Steering System Automatic Transmission Key Lock Cylinders
Engine Coolant
Coolant Supplement
Automatic Transmission Shift Linkage
7-45 To deterrnine the preferred viscosity for your... For Gasoline Engines "Starburst" symbol of the proper viscosity. GM Hydraulic Power Steering Fluid (GMPart No. 1052884 or equivalent). Chassis lubricant (GM Part No. 1052497 or ...
Owner's Manual - Page 331
...6.13 Axle.Rear ...6-16 Battery ...2.64.5.2.5. 4.6.25 Battery Replacement. Section 9 Index
Adding Automatic Transmission Fluid...6- 16 BrakeFluid ...6-23 ElectricalEquipment ...2- 17. 3- 18. 6-49 Engine Coolant ...6-18 EngineQil ...6-9 Power Steering Fluid ...6-20 3.8 1 Sound Equipment ...Windshield Washer Fluid ...2.33. 6-21 AirBag ...1-19 How Does It Restrain ...1-23 How It Works ...1-21 Location...
Owner's Manual - Page 334
...eadRestraints ...:1-5 Hleadlamp High-Low Beam Changer ...2-31 2.38.6.27. 6.51 H:eadlamps ...H:caring or Speech Impaired. Ice or Snow ...5-31 2-15 Ignition Switch ...2-52 Illuminated Visor Vanity Mirror ...2.54. 6.43 InstrumentPanel ...ack.Tire ...J-Hooks ...Jumpstarting ...
I Exhaust ...Exhaust System Inspection ...Express Down Window ...Extender. Engine Coolant Temperature ...2-60 Gage...
Owner's Manual - Page 335
... Window ...2-28 Locks Door ...2-2 RearDoorSecurity ...2-4 7-43 Steering Column ...2-46 Locked Storage Compartment ...4-12 Loss of Control ...
2-61 Low Coolant Light ...Low Fuel Light ...2-66 Low Oil Level Light ...2-63 Low Washer Fluid Warning Light ...2-65 Lubrication.Body ...7-42 Luggagecarrier ...2-50 Maintenance Normal Replacement Parts ...Record ...Schedule ...Underbody ...When Trailer Towing...
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