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Water in radirator does not flow very much - 1984 Chevrolet Chevy

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I had a 2003 buick hyderf rent it keep getting hot chang thevwater pump theomasant still hot what next?

Radiator is stopped up and/or it has dirt & debris preventing air flow through the outside wire venting.

Leave radiator cap off, Start the engine, let it heat up and watch to see if the water is flowing past where the cap fits. If water level drops-add water. If water does not flow/move then the radiator is stopped up. Take the radiator to radiator shop and have a professional flush.

If you have good water movement & it gets hot then the air flow through the outside venting is restricted. You may be able to use your garden water hose with high pressure jet stream & spray all the venting areas that may be clogged with dirt, bugs& debris. In any case DO NOT KEEP THE AUTO RUNNING WHILE DOING THIS.

Another problem may be that one of you hoses could be collapsing and the water will not flow. I advise changing all of your hoses based on the age of your vehicle . End of msg.

Aug 07, 2014 | Cars & Trucks

1 Answer

1993 toyota camry over heats only when driveing

Verify that the fan is coming on, if not turn ac on does fan come on then? if so you have a relay or temp sender problem.

Feb 22, 2012 | 2001 Toyota Corolla

1 Answer

Running hot , top hose on radirator hot,bottom hose on radirator cold

sounds like a bad or stuck thermostat... replace the thermostat which is inside the top hose where it is attached to the motor.. cheap and easy fix.. make sure you put the new thermostat back in the same direction the other one was

Mar 25, 2011 | Kia Sorento Cars & Trucks

1 Answer

My 1985 f150 over heats, i have replaced thermostate, water pump, and radirator?

fan clutch comes tro mind then you may have to check for a blown head gasket

Aug 11, 2010 | Ford F-150 Cars & Trucks

1 Answer

I have a mazda 626 td which I have fitted a new radiator to. Top hose is very hot and bottom hose is cold.When I undo the bleeding nut on the radiator and rev the car a little air bubbles come out, which I...

You may have a circulation problem, check this with a COLD engine, trun heater temp to cold, drain coolant, remove both hoses from the radiator, take a garden hose and put it in one of them, turn the water on, it should freely flow out the other, you may need to wrap a towel around the hose to get a bit of a seal, but it should not take much pressure to get it to flow, no flow? Are you sure the thermostat is out? Good flow? try the same to the radiator, does it flow? If both flow you may have an impeller that has come off your water pump, to test, reconnect bottom hose, leave top hose loosely connected, fill with water, start it, slowly pull the hose back, water should be flowing out with a good flow, if it isn't, you either didn't find the t-stat, or your water pump is kaput. Seems the t-stat is in an odd place on some of these, do you have a manual? look again because it sounds like a broken thermostat that is not opening, especially if your water flow test failed - no flow. Hope this helps

Apr 27, 2010 | Mazda 626 Cars & Trucks

1 Answer

2000 5.2 changed top radiater hose. can not get water flow. how do I get water flow?

was it flowing before you changed hose, if so it sounds like the thermostat is faulty not opening up to let the water circulate. also check and make sure waterpump is working.

Aug 29, 2009 | 1999 Dodge Durango

1 Answer

This car runs hot when idleing but is fine at highway speeds. I just replaced the water pump and had the radiator rodded out. the electric fan is running fine and moving air well.

The thermostat might be stuck open. If it is then water running into the radiator is not spending enough time there to cool off before flowing back to the engine block. At speed the increased airflow is having a greater cooling effect while blowing through the radiator fins. With the car totally cool, open the radiator cap and then start the car. Watch the water flow in the radiator. If it is flowing straight through right from the start, you'll know it is the thermostat. It should sit in the radiator until the engine reaches opening temperature and then the flow begins. As soon as the cool water from the radiator reaches the thermostat, it closes and the flow stops. So constant flow equals bad thermostat, flow then stop then flow equals working properly.

Aug 03, 2009 | 2002 Ford Mustang

1 Answer

No heat

Make sure the heater tap is working .Check that you have water flow through the heater radiator core.You could remove the heater hoses and use a garden hose to see if water will circulate through the heater.It should flow evenly.If that isnt the problem you will have to check that water is flowing through the engine.Put the garden hose up one of the removed hoses and see if water flows out the other hose.once again a good consistant flow is required .Let me know how it works out.

Oct 17, 2008 | 1999 Jeep Grand Cherokee

2 Answers

Overheating fiat seicento

I hope you have managed to solve the radiator problem by now. Seicento seem to suffer from water flow blockage in the heater blower area. I recommend you check the piper behind the carburator and make sure water is flowing. Normally when these pipes are blocked, water will flow back to the expansion tank and start leaking through its cap. You can also open the small screw on the small pipe coming out from the back panel behind the carburator and see whetehr water flows. Also, if the water is heard grumbling when engine is switched off, it is highly likely that the water is not flowing through the heater unit. Hope this helps.


Aug 25, 2008 | 2006 Fiat Pininfarina

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