Question about 1994 Ford Ranger Supercab

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No heat with radiator full and thermostat ok.The only time it heats is when I rev up the engine

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Your water pump isn't circulating the water at idle. Time to replace it.

Posted on Oct 30, 2008

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Posted on Jan 02, 2017

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In a 2007 Pontiac G5 is overheating would it help to turn on the air conditioner


No it does the opposite Gale as it puts more strain on the engine to drive the compressor.

You need to make sure the radiator is full of coolant with no air pockets. People get confused with filling the radiator and filling the overflow reservoir. There is a cap on the radiator, remove it and top it up, run the engine and keep topping it up. Also make sure that your HEATING in the car is on FULL heat and FULL fan. Squeezing the radiator hoses will help to dislodge air. The level will rise and fall when the thermostat opens up. Rev the engine a bit, top up one last time and when there are no bubbles, replace the radiator cap. Turn the engine off and then top up the overflow reservoir. Use antifreeze mixed to the manufacturers specs, usually 50/50.

Have a look at some of these videos.
https://www.google.ca/?gws_rd=ssl#q=burping+a+radiator&tbm=vid


Google

Jun 20, 2016 | 2007 Pontiac G5

1 Answer

2004 Kia low heat at idle hiway speeds ok


1) Coolant tank may show full but radiator is low in coolant...Cold engine...remove cap...inspect coolant level in radiator...fill if necessary,,,
2) If #1 is OK, the coolant system has an air blockage...With cold engine remove cap...Start engine...Heat control on high... when thermostat opens coolant AND air will escape from radiator...there will be coolant loss...Wait until all air escapes then carefully replace cap...When engine cools remove cap and top off coolant if required.....saailer

Jan 11, 2015 | 2004 Kia Sorento

1 Answer

Thermostat


hello,
first thing to do is open the radiator cap (when cold) if you have one, other wise look in the recovery bottle and make sure that it is half full of coolant. if full, start the engine and let the engine warm up to normal temp the heater on and on max temp and max fan control. watch the temp gauge and make sure the temp goes to the normal operating area and does not overheat the engine. if temp is ok and you have heat that is hot as normal then everything is ok.if no heat and temp is to high then thermostat maybe bad? if engine temp is ok and no heat then you may have blockage in the heater core and or hoses

Jun 11, 2014 | 2004 GMC Canyon

2 Answers

My cars over heating. Can't see an coolant leaking anywhere. Checked reservoir and it's reading full. Check under cap and can't see any fluid. Also I was driving around and heard boiling. And that's when...


hi, could you check if the radiator fan working fine? another part to look is if the thermostat and radiator hose not clogged with any water contaminants. If everything is ok, try to check if the water pump has seized. Best of luck. This engine rarely have problem with head gasket.

Jan 14, 2014 | Cars & Trucks

1 Answer

Radiator overheating


if all hoses are ok and there are no leaks have a look at the thermostat most anti freeze is already mixed so you can just put it in any way and what was said above wouldent make it over heat has it just started doing this or is it an ongoing thing are you getting back presure when filling make sure engine is not hot pref first thing in the morning when the radiator is full squeeze the top rad pipes to get any are out of the system then start the car dont rev just let it tick over the water pump will move the water around the engine keep an eye on the level and top up again untill it stops needing any any exess fluid will come out of the over flow pipe or back into return bottle if it still over heats get the thermostat checked is the car running fine or is there any other problems apart from this as there are a few more things that can make it over heat timeing sticking valves etc hope this helps ivan

Oct 10, 2012 | 1996 Chevrolet Blazer

1 Answer

No heat to cab or windshiekld


is radiator full of coolant? is it overheating? it may be time to replace your engine thermostat.that has alot to do with your heat. the radiator has to be full.the thermostat has to open and close to allow the engine to supply heat to the inside of cab.check radiator 1st then if it's full move on to the thermostat.make sure there are no leaks also.is your engine fan good? just trying to cover a few things to help you.if this does'nt help you,please repost your question again with year,make, model and what type of vehicle you have. the more information that you post,the more we can advise you on what to look for. thank you for choosing fixya.com

Jan 09, 2011 | Ford F-150 Cars & Trucks

1 Answer

I have 1992 GMC pickup that I bought new. It has


The cooling system has not been completly full of coolant,make sure the level of coolant drops,when the engine heats up,and the thermostat opens up,then the coolant level will drop,when it does,be ready to fill the radiator completly full at this time,then cap the radiator off with the radiator cap.Be sure to fill coolant reservoir up,a little past the full mark.so it can fill it self as needed.If there is not enough coolant in the system,it will do what it is doing now.

Jan 05, 2010 | 1991 Ford F150

1 Answer

1994 Lebaron Convertible No Heat, High Temp Gauge


The heat is made in the engine so if the engine is overheated and nothing else is hot, the water is not moving.
I would have suspected a thermostat also.
I would guess now that you have a dead water pump.

Karl at topgunwon.com

Dec 21, 2009 | 1994 Chrysler LeBaron

2 Answers

No heat


if you replaced the thermostat, you have an air bubble trapped in the engine. So, you don't have any coolant running through the heater core, therefore no heat.
sometimes hard to "burp" air bubble. Try this. Park park facing uphill and jack up front of car too. You want to get radiator opening higher than top of engine. Then remvoe radiator cap (cold engine), fill radiator, then fill coolant reservoir to full point. Install radiator cap but leave it loose so air can escape. Start engine until upper radiator hose going into radiator is hot. This should burp air. Repeat a few times while adding coolant mix (50/50 antifreeze) to keep radiator full. Be careful not to remove radiator cap when engine is hot.
lwt us know how ou make out. There is a more complicated procedure but you need tools and knowledge of where air bleed is on top of engine

Jan 03, 2009 | 1998 Mercury Villager

1 Answer

1985 cadillac fleetwood V8 4.1 blows cold air out but no heat


if you had heat before the problem than there is probably air still in the system . dont know your motor set-up , but it might have a bleed valve on the thermostat housing or a bypass line . if not , start the car and let it warm up ......in the mean time take the upper radiator hose off @ the radiator . When it heats up to normal temp , the coolant should flow out of the hose . that will tell you that the thermostat is opening , and it will also get the air out of the system @ the same time . As soon as it starts to flow , hook the hose back up and tighten . refill the cooling system back to the full line , than check for heat
GM is bad about getting air trapped in the system .

Dec 03, 2008 | 1999 Mercury Cougar

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