Question about 1992 Toyota Previa

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Toyota estima stated to overheat

My toyota estima has be gun to over heat and blow out of the headder tank overflow i have checked for leaks the thermostate, radiator, cleaned the whole system through but still does this any answers ?

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Yes it is the head gasket the compression is is leaking in to the cooling circut, take out the plugs and see if any is a orange colour if so to repair it you will have to buy a new head , gaskets head bolts other wise it will not last a 1000km

Posted on Jul 14, 2009

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How to replace thermost 1994 Toyota estema


In the USA the Estima is called Previa, and there may be some differences, depending on whether it has the 2.4L or a 2.2L engine or other options.
Labor Time for this job is One hour.
The water pump on the 2.4 Liter engine is accessed under the vehicle, very likely the same on any engine for these models.
Follow the radiator hoses to the engine until you find the water pump, which is near one of the drive axles.
The thermostat is bolted to the water pump with two bolts.
Drain the cooling system, then using a large pan under to catch any extra coolant when removing the thermostat housing.
Carefully clean the surfaces of both the thermostat housing and the water pump. [Check water pump for coolant seepage, which leaves a crusty beige or pink deposit. If so, replace the water pump.]

Install a new thermostat and gasket (Or O-ring).
Refill the coolant with the same coolant only if it looks clean.
I would also test the coolant to see what the PH is, which needs to be about 7.2 PH. (Coolant will turn acid over time, even when it looks okay.)
Make sure you put as much coolant back into the system as you removed.
Fully warm up the engine, and let it cool down before removing the radiator cap, then check for air in the system, topping up as needed.
The radiator needs to be full to the top.
Also check the overflow reservoir, which has level marks of Low and High, Never fill over the High mark.

Jul 05, 2014 | 1994 Toyota Previa

1 Answer

91 toyota motor home. 3.0 front end accident pushed radiator into fan. front end pulled back out new three core radiator plastic new fan and clutch & shrow. 3 thermostates 1 dealer thermostate. new...


Is it auto or manual. Does it seem to be using all the fluid from the plastic overflow/filler bottle after each start. If its a electric fan, does it work??

Sep 03, 2017 | 1991 Toyota Pickup

1 Answer

Sometimes my temperature gauge goes up on my Toyota estima and the engine gets very hot and the water overflows from the coolant, don't know what the problem is.


Check if the fan is running. You may also have blockage in the radiator or coolant is not circulating properly. I suggest first draining the radiator and inspecting if there are debris in the liquid that comes out.

Aug 07, 2011 | 1994 Toyota Previa

1 Answer

My 1995 GMC Jimmy is overheating.. it had a leak and we found that it was leaking coolant from the rear freeze plug that has been fixed no more leaking, but it still over heats we bought a new water pump,...


Check that the fan is turning in the right direction, in all the changes it is possible that you may have crossed the fan wires and not the fan is blowing forwards instead of backwards. Also check that there are no air locks in the system and that there is a positive flow of coolant.

Mar 08, 2011 | 1995 GMC Jimmy

2 Answers

Hello my 1994 camry toyota has a problem holding the water. We replaced the thermostat,fan switch,radiator cap, and it keeps comsuming the water. What do you think the problem might be? Javier


Javier, have you checked the coolant overflow tank for holes, cracks, or loose hose? When the engine in your car heats up, the coolant expands. The coolant overflow tank (located near the radiator) takes up any coolant that is forced out of the radiator. If the tank is damaged or not connected to the radiator correctly, the coolant will not siphon back into the cooling system when the engine cools off.

Dec 07, 2010 | 1994 Toyota Camry

1 Answer

My van is heating up and the heater is blowing cold air.


check for low coolant in radiator first then overflow,start it make sure you let it run until thermost opens then fill radiator put cap on,then fill overflow,check for leaks

Nov 29, 2010 | 2007 Dodge Grand Caravan SXT Minivan

2 Answers

2003 Buick Century is over heating in the morning only. Radiator, thermostat and sensor have all been replaced. Water pump and fans have been checked. When it idles it gets hot but when you rev the motor...


Sounds like the intake gasket or even possibly the head gasket have gone south if everything else has been replaced. Internal engine leaks will cause engine to overheat very easily.

May 19, 2010 | 2003 Buick Century

1 Answer

I have an audi 80 2.6v6. it blows fluid from expansion chamber


remove radiator and send to service and clean cores,with the radiator out remove thermostate using a hose flush engine by placing hoes in inlet hoseor port.replace thermostate with new unit along with cap

Oct 28, 2009 | 1995 Audi 90

2 Answers

Heater blowing clod air


the heater core behind the dash may be bad, it is the coolant tank for the heater system that is to say it is where the heat comes from. kinda pricey to have repaired at a dealership, if you can hear the fan turning but no heat, than it is a good possibility, or a vent hose has fallen off, get down and check under the dash

Feb 01, 2009 | 2004 Dodge Grand Caravan

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