Question about Pontiac Sunfire
The radiator itself don't have a radiator cap, your to add coolant, will be at the reservoir tank, cap will unscrew, should have a label that reads, WARNING - do not open hot, hope this was very helpful.
Posted on Aug 20, 2010
On the very top of the radiator at either the left or right corner. DO NOT OPEN untill engine and radiator are cool.
Posted on Aug 20, 2010
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Posted on Jan 02, 2017
There is a plug located on top of the transmission under the brake master cylinder. It is held in place by a bolt on the side of the transmission near the firewall. Remove the bolt, then remove the plug. Fill it until the fluid comes out of the hole.
Posted on Jun 17, 2009
If you don't see a cap on the radiator, there isn't one, it's filled from the white plastic container, the cap should be marked engine coolant/
Posted on Jul 16, 2009
A thermostat that does not open and close would cause these very symptoms. Since it does not allow coolant to flow through the system, it will make the engine overheat. Since it won't allow the "heated" coolant to pass by your fan, the heat will continually blow cold air.
Stop driving the car immediately, becuase the next step will be some blown gaskets - especially head gasket. Other possible reasons can be as follows:-- It could be just low on coolant. if it is then add coolant... with low coolant the water pump can not move enough coolant to supply hot coolant to the heating system . also if its low the motor will over heat fast..... If the system is full then you may have other problems.. such as 1) bad thermostat 2) bad radiator cap ( not holding pressure so it will leak coolant) 3) blown head gasket . 4) bad heater core (leaking coolant out.. check the floor board under the dash on the passenger side.) 5) bad hose or clamp. Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.
Posted on Aug 12, 2010
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