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no year car told nor miles on it. 1990 to 2019, no country told.
2.2L oil burner.
a Previa variant car.
1990 -1999 wiki said "The Estima Emina and Estima Lucida were also available with a 2.2-liter diesel engine (3C-T and 3C-TE)" w/and ,w/o intercooler.
so you forgot to say full engine name is/was a Turbo and if is
that , does it only overheat on BOOST>?
there is no answer to that, should I questions (but yes)
many engine (means toss coin) STAT pulled cause turbulence to the pump and now the pump impeller messes up and flow decreases.
and if not the temperature runs way too cool 150f is common.hot idle.
180 to 200F is normal.(STAT in place) your auto part store will tell you.
now the list of overheat causes.
1: the cooling system is failing, (alarge list)
clogged radiator,
pump impeller blades rusted to nothing or 1/2 way.
some one forgot to burp the loop of all air. and RAD level cold is way way too low of AF , anti freeze coolant.
2: using water only and not 50% antifreeze,never just water.
3: fans dead rear oif RAD.
4: fan shroud lost. (other owners bad acts)
5: old cars with fan thermal clutch the clutch is bad.
6: fan belt slips at fan or pump. or both, (year car told)
7:old hoses (big) bad and collapsing inside. hidden.
8: side RAD overflow bottle missing or bad or hoses inside and outside missing so every day you run the engine coolant is lost to the ground,.
9: bad head gasket engine burns coolant or far worse engine cracks
10 head in engine cracked, or just warped.
I-4 engines have no valley gasket so it is not leaking V6/v8
11: and coolant lost to ground,front passenger foot wells
12: coolant lands in Oil pan ,oil looks like milk chocolate.
i'm sure missed, 5+ more points of leak failures. sure.
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.
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.
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.
first check the coolant level, then check to see if the fan is working.
if low on coolant then fill it up and check for leak.
if fan don't come on then check fuse and wiring
if you have a fan driven by a blet then do not have to check the fuse.
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
Maybe you can find some guidelines in the following free download, good luck!:)
Contains:
Air Conditioner
Brakes, Wheels & Tyres
Cam belt
Central Locking Stuff & Alarms
Cooling System
Cylinder Head
Electrical System & I.C.E
Engine
Exterior Lighting
Fuel & Emissions System
Suspension & Steering
Transmission Systems
Look the engine over and see if you can find any external leaks, change the thermostat and make sure that fan(s) are operating. Check the oil for water...loosing that much, it has to show up somewhere. Blown headgasket usually puts oil in coolant or coolant in oil, causes an external leak from between head and block or goes out through the tailpipe as steam. look carefully and you will find your problem!!
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