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I have a 1997 Buick Regal and it has a problem with keeping the engine cool. I used to always just put coolant or water in the reservoir and that would work and some of the water would leak out after I had stopped the car so I would just put more in later. However recently the reservoir seems to have become clogged so I started putting water directly into the radiator. But even that isn't keeping the car cool. I can completely fill the radiator and still with in a few minutes of starting the drive the engine has become dangerously hot. I don't see anything leaking out right away. What could be the problem?

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this is due to the following reasons
1. the fan colong the radiator is not fuctioning properly so please check it amd service if not properly working.
2.the radiator may have chocks which os preventing the coolent to cool the engine properly. that is rate of heat exchanging is reduced.

if my answer were useful please vote for me

Posted on Jul 11, 2010


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My 1999 buick regal leaks coolant, not while its running, only hours later after it cools down. its not leaking from the radiator, or the reservoir, is there another solution besides replacing the wat

Water Pump Worn out or hose leaks

Never use any leak seal products on any
part of the car ,your asking for trouble & there
in there for life

Always make the proper repair

Mar 13, 2013 | Cars & Trucks

1 Answer

Where is the tempurture cooling sensor located on a 1994 buick regal

The coolant temperature sensor is a thermistor mounted in the engine coolant stream. A thermistor is an electrical device that varies its resistance in relation to changes in temperature.

For 2.5L engines, the coolant temperature sensor is located on the left side of the cylinder head.

For MFI engines, the coolant temperature sensor is located on the intake manifold water jacket or near (or on) the thermostat housing.


Fig. 1: Engine Coolant Temperature (ECT) sensor and connector


Fig.: Engine Coolant Temperature (ECT) sensor location-3.1L (VIN T) engine shown

Hope this helps (remember to rating this and leave an testimonial comment about this free answer).

Oct 10, 2011 | 1994 Buick Regal Gran Sport

1 Answer

How do you remove a thermostat from a buick park avenue

  1. Drain the cooling system.
  2. Remove the engine cover.
  3. Disconnect the Inlet hose from the housing.
  4. Remove the thermostat housing bolts (A), thermostat housing (B), and the Thermostat (D).
  5. Clean the gasket mating surfaces and the housing and intake port.
To Install:
  1. Install the Thermostat (D).
  2. Install the thermostat housing (B) with a new gasket (C) and torque the bolts (A) to 15 ft-lb (20 Nm).
  3. Connect the inlet hose.
  4. Install the engine cover.
  5. Refill the cooling system.


To Drain:
NOTE: Draining the cooling system with the pressure cap installed will siphon the coolant from the overflow tank.
  1. Raise and support the vehicle.
  2. Open the radiator drain **** and drain the coolant into a drain pan.
  3. Empty and wash out the coolant reservoir with soap and water.
  4. Inspect the coolant if discolored flush the system before refilling.
To Fill:
Follow the procedure below to insure the coolant is at the proper level. A coolant level that is too high or too low could cause engine damage.
  1. Close the radiator drain **** and lower the vehicle.
  2. Slowly fill the cooling system with a 50/50 mixture of DEX-COOL antifreeze and clean drinkable water.
  3. Install the coolant pressure cap and start the engine.
  4. Run the engine at 2,000-2,500 RPM until the engine reaches normal operating temperature than let the engine idle for 3 minutes.
  5. Turn the engine off and let the engine cool off.
  6. Top off the coolant and check the concentration of the coolant using the (J 26568) coolant and battery tester.

Mar 21, 2011 | 1997 Buick Park Avenue

1 Answer

Had radiator flushed and coolant added 4 months ago. yesterday coolant needed light flashed on and then it went off. reservoir was empty. added water to reservoir, cranked the car and let it run 5 mins....

You probably have a slight leak from the coolant filler cap and you have lost coolant by evaporation over the four months. Check the seal on the cap and replace it or the cap.

Mar 13, 2011 | 2000 Buick Regal

2 Answers

Car does not use antifreeze from the fill tank. I have to put it straight into the rad.


Feb 19, 2011 | 2006 Chevrolet Impala

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1995 Buick regal- filled the coolant reservoir with antifreeze last Sunday to the cool temp line. (antifreeze was straight and not 50/50) checked the radiator and there was coolant all the way to the neck....

Check all around the intake manifold gasket for evidence of antifreeze. Also check your oil for evidence of coolant. The Dexcool antifreeze used in GM engines can cause the intake gaskets to deteriorate causing coolant leakage. Very difficult to detect.

Dec 31, 2010 | 1995 Buick Regal

2 Answers

1997 Buick Century Overheating

Have someone pressure test the cooling system - you likely have a head gasket leak

Apr 10, 2010 | 1997 Buick Century

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Coolant fill procedure

NEVER open the radiator when the car (or any other engine) is running!! The radiator is part of the pressurized cooling system (under that cap is coolant at 15psi)

Correct way to check the coolant in the radiator, is wait until the engine is COLD, then remove the radiator cap and re-fill.

Jul 17, 2008 | 1991 Buick Regal

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