Question about Cars & Trucks
Domestic heating Wickes Radiator Valve will not open. I can remove the dial part of the valve and the central pin is stuck internally. The external part of the pin moves, but the spring is not opening the valve. Any suggestions without emptying water from the system. The valve has been closed for the summer months, and it is stuck in the closed position, usually a gental tap will release it, but one is stubborn. Any suggestions?
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Posted on Jan 02, 2017
SOURCE: 1990 honda civic Dx 1.5L
Have someone do a Block test of the cooling system to determine if you have a headgasket problem seems likely that that is your problem, or pull the plugs connect a cooling system pressure tester and pump ot up to 20 psi or more and leave it there if it drops pump it up again, leave it there for an hour or so and keep looking into the cylinders for evidence of coolant if you see any you have a head gasket problem.
Posted on Jul 30, 2008
Check the passanger side floor board for moisture this could indicate a bad heater core. Then I would check the engine oil and make sure its not milky looking (head gasket). make sure when you fill it let it run with the cap open with you looking into the cap to be sure is circulating and not vapor locked (air pocket)
hope this helps
Posted on Feb 01, 2009
Simple thing to test first would be to pressure check the radiator cap. Next would be to check for combustion gases in the radiator indicating a leaking head gasket. It is an aluminum head and iron block engine and there is a possibility that antifreeze anti corrosionpackage runs out due to over age then fails due to too long in the engine it results in galvanic corrosion at the head gasket-commonly resulting in a failed head gasket. There are other engines that are vastly more prone to this than the maxima engine. If there is a leaking head gasket the gases could rise to the top of the system and block the water flow into the heater. Listen for gurgling sound in the heater.
Posted on Feb 10, 2009
SOURCE: Help with cooling system!!
OK, firstly The basis that a cars cooling system runs on is very simple. The system is a pressurized cycle that moves the coolant around, along with the heat, and is slowest in the radiator to allow heat to escape. If the system is not pressurized then the cycle will not work properly and coolant will not move.
If there is air in the system this can create what would seem like a blockage. 'bleeding the system is not the answer especially if you are using the drain on the radiator. That drain is only for draining fluid not air.
If air blockage is the problem then what you do is open the system at the highest point possible. this is usually a hose at the top of the radiator or something, whatever is easiest. Then find the other hose attached to the radiator, lower, higher makes no difference. then simply squeeze the second hose. this will 'burp' the air out do this for a while until all that happens is fliud is pushed out repeatedly.
then reattach the top hose and top up the radiator, and go for a drive.
If this doesn't fix the problem then air is not the problem.
Posted on Jun 11, 2009
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