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Blazer still overheats after radiator replacement

Radiator was leaking and had it replaced. still runs hot. What should I do next?

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  • 45 Answers

Check the coolant mixture, you can get a coolant tester for just a couple bucks. Also check all the hoses for leaks or collapsed sections. Check the thermostat (or just replace it). Put it in a pan of water on the stove and turn the burner on, watch the thermostat to see if it opens. If not, it's bad.

Posted on Jul 16, 2013

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Posted on Jan 02, 2017

HellPoolHall
  • 74 Answers

SOURCE: 96 honda civic ex runs hot

It is either a blown head gasket or a cracked head. Depending on which motor your civic has, this could be a tricky replacement, either way, you have to remove the head off of the motor, and then take the head to have it pressure checked to see if there is a crack in it. Nine times out of ten though, you can see a crack in the head with your eye, but you have to have the right "eye" to be able to see the crack.

Posted on Aug 05, 2008

  • 5 Answers

SOURCE: Check gauges light comes on

check the colling fan to see if it kicks on at normal opperating temp 210'
it culd be air in the cooling system
if there is no leakes it could be a leaking haed gaskit

Posted on Oct 22, 2008

davidkay61
  • 23 Answers

SOURCE: running hot

Radiator Fan Control Relay Switch. I bet your electric fan doesn't run?

Posted on Dec 01, 2008

  • 4088 Answers

SOURCE: my 2004 4.7 dodge durngo keeps running hot. I've

Do the radiator fans turn when engine hot? Try turning them when engine is off and cold; they should spin freely. Could be bad solid state relay that controls them. Try blowing the debris out of the radiator fins from the inside of the engine compartment.

Posted on Jul 12, 2009

  • 9 Answers

SOURCE: just replaced radiator, but temp. gauge is rising to the red line

preform a pressurized collant flush , take it to a raidior shop to have it done , they will clean and blow out all blockages that might cause your car to over heat. also check to make sure you dont have air pockets in your anit freeze, if you do you need to bleed the system out after you have it flushed , your car should have a blead valve to let out the axcess air ,if not drive it down the road with the cooaint overflow cap off , not the radiator but you need to flush out the system first , add new anti freeze then bleed out all air pockets, hope this helps

Posted on Jul 24, 2009

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2 Answers

I have a 2001 chevy blazer 4wd when driving my vehicle I start to smell as if my car is starting to overheat my gages are showing normal and there are no visible signs of overheating my windshield and


If you smell steam/water/antifreeze inside the vehicle, then most likely you have a heater core issue. If it is more 'overheating' smell outside of the vehicle, it could be overflow container leaking on hot parts, leaking hose, radiator leak, etc.

Jan 26, 2015 | 2001 Chevrolet Blazer

1 Answer

I replace my leaking radiator and bought a new one yesterday. After i put it in the car started fine, after that the engine started to get hot, no coolant leaking but what i realize is that the engine is...


Car overheats and Air blows hot at idle?

http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
------------


CAR OVERHEATING


There are many possibilities for car overheating.

Faulty thermostat clogged radiator/plugged radiator, radiator hose worn out. Coolant running low. Low coolant pressure. Faulty temperate sensor.



I suggest you to go through the troubleshooting details mentioned in the link below:-----


All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html

----------

These will help.

Thanks.

Dec 09, 2012 | Cars & Trucks

1 Answer

I have a 1989 s10 blazer 4.3.The temp guage reads 225 is this normal? I have replaced the waterpump,thermostat & belt.


For car running hot and overheating issues, I suggest to you go through this help links. Click this link below and go through the troubleshooting procedure to take care of the problems: ----Car runs hot? http://howtobyme.blogspot.com/2011/11/car-runs-hot-in-traffic.html
-----------All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html
Car freeze overnight and started overheating while driving?http://technoanswers.blogspot.com/2012/01/car-freeze-overnight-and-started.html-----------Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

---------------------------
Car overheats and Air blows hot at idle?
http://howtobyme.blogspot.com/2011/11/car-overheats-and-air-blows-hot-at-idle.html
--------overheating? http://schematicsdiagram.blogspot.com/2011/12/buick-century-overheating.html
----------Car engine Overheats and transmission starts slipping?http://schematicsdiagram.blogspot.com/2011/12/car-engine-overheats-and-transmission.html
----------This details will help.Thanks.

Feb 20, 2012 | 1989 Chevrolet S-10 Blazer

1 Answer

I have replaced the engine coolant and my blazer still overheats


You just have to keep checking. Try a new thermostat. Also make sure you have a good radiator cap with a good seal, cause the seal pressurizes you coolant up to about 15 psi. Check if circulation is good: engine running at normal operating temp. (to make sure your thermostat is open), radiator cap off, squeeze top radiator hose closed(use gloves, if necessary) then release, and look in radiator to see if coolant surges when hose is released. Feel your bottom hose. It should be warm to hot, If it's cold, your radiator might need flushing. Check your water pump for signs of leakage (whitish deposits around bottom of pump.) If all checks out, you need to consider a compression test to see if your head gasket needs replacing. Good luck.

Oct 23, 2011 | 1997 Chevrolet Blazer

1 Answer

Car overheated and lost all power. how do I get it to start?


ENGINE NOT GOING TO START IF GET TOO HOT FIRST THING I WOULD REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP THEN ADD COOLANT UNTIL COOLANT LEVEL CORRECT THATS WHEN THERMOSTAT OPEN UP AND TOP HOSE HOT.CHECK FOR LEAKING RADIATOR HOSES CHECK TOP RADIATOR HOSE CHECK BOTTOM RADIATOR HOSE.CHECK FOR LEAKS AROUND THE RADIATOR LOOK DOWN BELOW COOLANTS FANS CHECK FOR LEAKS AT RADIATOR CORES OR LEAKS AT THE RADIATOR PLASTIC SIDE CONTAINERS. CHECK FOR LEAKS AT WATER PUMP WEEP HOLE AND CHECK FOR LEAKS AT THE HEATER HOSES AROUND ENGINE BLOCK TO THE HEATER CORE HOSES. THERE IS A REASON CAR OVERHEAT.IF CAR OVERHEAT WHILE DRIVING YOU HAVE FAULTY THERMOSTAT OR LEAKING OUT COOLANT OR BLOWN HEAD GASKET.IF ENGINE OVER HEAT WHILE SITTING DURING A LONG IDLING PERIOD.YOU COULD HAVE FAULTY COOLANT TEMPERATURE SENSOR OR FAULTY COOLING FAN FUSE OR RELAY.HOT WIRE COOLANT TO SEE IF IT RUNS IF NO REPLACE FAN MOTOR. IF YES FAN MOTOR COULD HAVE FAULTY WIRE OR PCM FAILURE. CHECK ENGINE CRANKCASE IF OIL LOOKS LIKE MILK SHAKE ENGINE HEAD GASKET LEAKING.

Nov 26, 2010 | 2002 Mitsubishi Galant

2 Answers

My car is rumming hot and the antifreeze is leaking I'm thinking it's my water pump


It could be the water pump , or something else , like a faulty thermostat. Where is the coolant leaking from ? If it is leaking from the water pump , then yes , your pump might be toast.
If the thermostat is no good , the engine will warm up to normal temp , and then overheat quite quickly. As it overheats and the coolant expands and boils , it could back up into the overflow reservoir and leak out onto the ground. You need to get someone to diagnose the problem ASAP , running your engine in an overheat condition could very quickly blow your head gasket and/or warp a cylinder head. If you can , please post a bit more info. Does it run but at a higher than normal temp. Does it only overheat when stopped in traffic etc.
Could be water pump , or thermostat , or plugged up radiator , or nonfunctioning cooling fans.

Nov 22, 2010 | Ford Taurus Cars & Trucks

3 Answers

Coolant problem


Overheat could be a pulged up rad , but low on coolant ? it has to go somewhere. If you don't see any leaks , I am afraid that your head gasket might be leaking it into a combustion chamber.
Do you seem to have steam / vapour coming out of exhaust pipe more than usual ?
Hope that's not the problem , good luck

May 05, 2009 | 2001 Chevrolet Blazer

2 Answers

Antifreeze smell and smoke coming out of vents


You have a coolant leak most likely in the heater core. Try disconnecting your heater hoses and coupling them together, then running the engine to see if the leak goes away. If it does, I would have the heater core replaced.

Dec 28, 2008 | 2001 Chevrolet Blazer

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