Question about 1999 Pontiac Sunfire

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Low coolant light is on after replacing the upper radiator hose and refilling the coolant

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Check that the system dose not have a bleeder valve to let the air outof it.and some times the sensor onthe over flow tank will stick try tapping lightly on tank

Posted on Nov 12, 2010

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Posted on Jan 02, 2017

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1 Answer

How do I refill coolant, after being drained, in a 2003 Kia Sedona. Radiator cap not removable. Doesn't seem to be taking any out of the reservoir.


Try this remov upper radiator hose from engine block and fill that way without running the engine. Then when radiator is full meaning can no longer add coolant through hose reconnect hose start engine and add coolant to reservoir

Jul 08, 2016 | Kia Cars & Trucks

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I have a 1986 Chevy Silverado with a 350 engine, why does my top radiator hose keep collapsing?


The hose collapses because there is air in the cooling system. If the system is properly full, the hose cannot collapse because water does not compress. If there is a leak in the system, you need to repair it, refill and bleed the cooling system, and ensure that the reservoir has a proper level of coolant in it. If there are no leaks in the system, then the reservoir (recovery) bottle could be low on coolant, allowing air into the system during the expansion and contraction that occurs as the coolant heats and cools. Another thing that can cause this issue is a defective/worn out radiator cap. I would recommend replacement of the cap, refill and bleed the cooling system, then top off the reservoir and then monitor for any further issues.

Jun 14, 2016 | Chevrolet Silverado 1500 Cars & Trucks

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Coolant is Low but there is no leak.


Since the cooling system is sealed, if there is no external leak, the engine may be burning coolant out the tail pipe due to a leaking head gasket.
You may want to try a different shop for a second opinion.

Feb 15, 2014 | 2007 Land Rover Range Rover Sport...

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How easy is it to change out my radiator on my 1992 Toyota pickup?


Not hard, just time consuming and messy. Drain the radiator, dispose of the radiator fluid, (local auto parts shops have recycling containers available for the waste) disconnect the radiator from the engine, unbolt the radiator, bolt in the replacement, reconnect all hoses, refill the radiator.

Feb 28, 2011 | 1992 Toyota Pickup

1 Answer

Replacing the Radiator


YOU NEED TO DRAIN THE COOLANT SYSTEM. REMOVE THE AIR CLEANER ASSEMBLY.YOU NEED TO UNBOLT SWING AWAY THE ENGINE TORQUE STRUT MOUNTS FROM THE UPPER RADIATOR SUPPORT.LOOSEN THE THE THROUGH BOLTS IN THE STRUT MOUNTS FIRST TO AVOID DAMAGE TO THE RUBBER BUSHING.YOU NEED TO REMOVE COOLANT FANS AND REMOVE ELECTRICAL CONNECTOR FROM THE LOW COOLANT SENSOR IN THE RIGHT RADIATOR TANK.DISCONECT THE COOLER LINES FROM THE RADIATOR CAP ENDS LINES PREVENT FLUID LOST.USE DRIP PAN TO CATCH FLUID.BESURE TO TAG OR NUMBER TRANSMISSION COOLER LINES SO THEY CAN BE INSTALL IN THE ORINAL POSITION.REMOVE THE COOLANT OVERFLOW JUG HOSE FROM RADIATOR AND REMOVE THE UPPER AND LOWER RADIATOR HOSES THEN PUT EVERY THING BACK VISA VERSA.BESURE REPLACE ALL HOSES, TOP HOSE AND BOTTOM RADIATOR HOSE REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP.IF YOU BEEN HAVING OVER HEATING PROBLEMS REPLACE THERMOSTAT ALSO.

Jan 19, 2011 | 1999 Chevrolet Lumina

1 Answer

How to change a radiator


1988–91 Models
  1. Disconnect the negative battery cable.
  2. Properly drain the cooling system into a suitable container.
  3. Disconnect the fan motor and motor connector.
  4. Disconnect the upper and lower radiator hoses.
  5. Disconnect and plug the automatic transaxle cooling lines at the radiator, if equipped.
  6. Disconnect the coolant reservoir overflow hose.
  7. Remove the radiator attaching bolts and brackets.
  8. Remove the radiator with the cooling fan attached.
  9. Remove the cooling fan and shroud from the radiator. NOTE: Check all cooling system hoses for any signs of damage, leaks or deterioration and replace if necessary. To install:
  10. Attach the cooling fan and shroud to the radiator and install the assembly.
  11. Attach the radiator bolts and brackets. Tighten the radiator bracket bolts to 7 ft. lbs. (10 Nm).
  12. Connect the coolant reservoir overflow hose.
  13. Connect the automatic transaxle cooling lines to the radiator, if equipped.
  14. Connect the upper and lower radiator hoses.
  15. Connect the fan motor and thermo-switch wire connector.
  16. Refill the system with the proper type and quantity of coolant, check for leaks and bleed the cooling system.
  17. Reconnect the negative battery cable. Fig. 7: Cooling system components — 1988–91 engines 86833085.gif
1992–95 Models
  1. Disconnect the negative battery cable.
  2. Properly drain the cooling system into a suitable container.
  3. Disconnect the fan motor and motor connector.
  4. Disconnect the upper and lower radiator hoses.
  5. Disconnect and plug the automatic transaxle cooling lines at the radiator, if equipped.
  6. Disconnect the coolant reservoir overflow hose.
  7. Remove the radiator attaching bolts and brackets.
  8. Remove the radiator with the cooling fan attached.
  9. Remove the cooling fan and shroud from the radiator. NOTE: Check all cooling system hoses for any signs of damage, leaks or deterioration and replace if necessary. To install:
  10. Attach the cooling fan and shroud to the radiator and install the assembly.
  11. Attach the radiator bolts and brackets. Tighten the radiator bracket bolts to 7 ft. lbs. (10 Nm).
  12. Connect the coolant reservoir overflow hose.
  13. Connect the automatic transaxle cooling lines to the radiator, if equipped.
  14. Connect the upper and lower radiator hoses.
  15. Connect the fan motor and thermo-switch wire connector.
  16. Refill the system with the proper type and quantity of coolant, check for leaks and bleed the cooling system.
  17. Reconnect the negative battery cable. Fig. 8: Cooling system components — 1992–95 engines 86833086.gif
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Aug 27, 2010 | 1991 Honda Civic

1 Answer

Need to change the thermostat


Hi:
The thermostat is mounted under the thermostat housing, which is what the upper radiator hose attaches to on the engine.
Drain your coolant, make sure the vehicle is cold.
Un fasten the upper radiator hose from the thermostat housing, then unbolt the 2 bolts holding the housing down. carefully tap on it to pop it free. clean all surfaces to prepare for reinstallation. Remove the old thermostat, install the new one, and replace the gasket too. Refill with coolant after you secure thermostat housing and reattach the radiator hose. start the engine, warm up vehicle and check for leaks. Re check the level of coolant after the engine is cool again.

Dec 11, 2009 | 1995 Dodge Dakota

1 Answer

Low coolant warning light on


Coolant sensor is usally located where the thermostat is , the upper hose from radiator to the thermostat at engine block , hope it helps AJ

May 26, 2008 | 1997 Mitsubishi Diamante

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