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Toyota coaster over heating. i have changed the head, rodded the radiator and changed the clutch fan but it still over heating. what else could it be

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6ya6ya
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Posted on Jan 02, 2017

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dutchman05
  • 487 Answers

SOURCE: 91 4x4 Toyota Pickup Overheating

did you take out the thermostat?
If not do that if so it might be a feul mixture problem. To lean will make it run hot

Posted on Jun 21, 2008

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chiquititas
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SOURCE: 1998 toyota heating problem

You need Freon gas.

Posted on Jun 29, 2008

  • 1 Answer

SOURCE: ford ranger truck overheating

I have had this happen with my ranger. Changed everything I could to try to fix the over heating. It turned out that I had a small leak in my head gasket and it was allowing exsaust gas to go into the cooling system witch was over pressurizing it. Also the air from the exsaust will heat up much faster than liquid making your thermostat to read hot and will not be able to blow hot air in the cab because there is no liquid going to the heater core. This happened to me when my blet came off and I tryed to make it home. If you had it over heat for a long peirod of time it may have ripped the head gasket.

Posted on Feb 21, 2009

  • 1 Answer

SOURCE: 1989 Mazda B2600i pickup overheats. Replaced

you just said it you need a new fan clutch

Posted on May 12, 2009

  • 8 Answers

SOURCE: I have a Nissan Patrol Y60 TD42. It overheats

sounds like something clogged in the block its self try to find an acid flush and flush the system a few times untill it comes out clean

Posted on May 16, 2009

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1 Answer

1995 toyota camery, coolant fan don't come on, over heating, change radiator, sensors-temp. and inytermotor,checked all relays, fans were working on ac, after changing sensor, they stopped, help!


Please have a look on the following items:
- Radiator fuse, relay, relay 2 and relay 3. They are located in the engine compartment.
- Radiator fan switch. It is located on cylinder head on the water splitter near the thermostat.
- Harness wiring for broken wire, loose, contaminate or corroded connectors.

Jun 02, 2017 | Toyota Cars & Trucks

3 Answers

Over heating problem , Toyota coaster year 2008. Change radiator, fan,and it still overheat. The head is ok.


Did you replace thermstat? I would start with that. If still trouble have a block check performed

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better check radiator cooling fan clutch if fan turning slow at idle then fan clutch is bad .

Mar 19, 2014 | 1998 Toyota 4Runner

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I have hiace 3L with new head water pump,radiator,clutch fan,thermostat,radiator cap,fuel filter,new timing belt and it over heats after 100 km and has blown the cylinder head gasket twice since . any...


probably a dumb question but was the engine block skimmed and on certain cars you get different thickness gaskets for different performance heads, and is the timing correct?

Apr 12, 2013 | 1994 Toyota Corolla

1 Answer

I have a 2000 4-door toyota echo which heats up a lot while driving it


Before you could proceed get the radiator be serviced/ cleaned.
- Check Tire inflation.
- Check the radiator fan rotation direction.
- Re torque the cylinder head bolts.
- Check radiator cap.
- Check external or internal coolant leakages.
- Check thermostat valve.
- Check for clutch slippage (if manual transmission).
- Check brakes, if partially engaged.
- Pressure test the cooling system for cylinder head gasket health.

Oct 23, 2012 | Toyota ECHO Cars & Trucks

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My 2003 saturn ion is over heating i had the thermostat changed and new hoses put on and it still over heats


Could be a Bad radiator Cap? Low Water? Clogged radiator? Not enough air flow, Do To.... Dirty radiator fins? Bad Fan Clutch or Electric fan not running? Timing Off? Stuck closed Thermostat? Bad Water Pump? Blown head Gasket(s)? Cracked Cylinder Head(s), ECT....

Jul 19, 2011 | Saturn Relay Cars & Trucks

1 Answer

I have a 1984 BB20 4 cylinder diesel coaster bus that is overheating on hills. the radiator has been rodded out and is in excellent condition, the viscus fan clutch has been replaced, the thermostat and...


It could be the water pump. First check and make sure the water pump drive belt is tensioned properly and not slipping. To test the pump, warm up the engine and let it idle. using your rag covered hand, squeeze shut the top radiator hose then release. You should be able to feel a surge of coolant as you release your hold. No surge? Probably a bad water pump. Corrosion between the pump shaft and the impeller blades can cause the blades to slip on the shaft, reducing the efficiency of the pump. Or the blades themselves can rust away and reduce the efficiency.

Jan 22, 2011 | 1985 Toyota Passenger

2 Answers

TOYOTA PREVIA OVER HEAT WHEN IDLE


Sounds like the radiator cooling fan isn't turning on, i would unplug the fan and run 2 jumper wires direct from the battery to the fan if the fan kicks on the fan is good, if it doesnt the fan needs to be replaced, if the fan checks out i would check the fan relay and make sure the relay is good, if the relay turns out to be ok then the coolant fan thermo switch is most likely the culprit for the fan not engaging when the engine reaches a certain temperature....

Dec 07, 2010 | 1994 Toyota Previa

1 Answer

My radiator on my 1994 toyota hilux sulf is over heating just sarted in last few days. Temperature gauge fluctuates when i turn air conditioning on.how do i fix this


First check if you have any leaks in the cooling system , then check if level is correct(radiator and expansion tank , check level when car is cold , never open radiator when it's hot).
Then verify operation of radiator fan , if it's electrical fan it should comes on when temp. goes over normal,
if it's a clutch fan- it should pick up a speed and be more loud. If fan is not on and engine is starting overheating , check upper and lower radiator hoses.
If upper hose hot and lower hose cold or warm then you might have stuck close or prtially closed thermostat , difference between lower and upper hoses when t/stat works ok is about 10-15 degrees,
not really noticeable for hand.So if you don't feel a lot of difference between hoses temp. , and fan is not on , check fan or fan clutch itself.
If lower hose cold , replace thermostat and purge system.
If everything above is working properly , and it's still overheating , you may have bad water pump or head gasket.

Jun 18, 2010 | 1986 Toyota Pickup 4WD

2 Answers

My 1990 toyota pickup 4x4 is over heating and i've changed the thermostat and checked the water pump. i'm not sure what else to check


most likely you have either a plugged radiator or blown head gasket.one way to check if its a head heating than you know its a head gasket.But when u reove the thermostat open the radiator cap before you run.after you remove the cap astart the vehicle and check for good circulation in radiator.Hope this helps.

Apr 16, 2010 | 1990 Toyota Pickup

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