Thermostat Isuzu I 280 2006 - 2006 Isuzu i-280

O'Reillly or eBay for parts or your local dealership.

https://www.google.com/search?q=1995+Isuzu+Trooper+replacement+coolant+manifold+rear%2C+heater+connector%2C+thermostat

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Question edited for clarity (order), spelling and add maker.
Question moved to model category.

Videos and parts supply

https://www.google.com/search?q=1991+Isuzu+Trooper+2.6.+Thermostat+location

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https://www.fixya.com/cars/t27037494-thermostat_isuzu_rodeo_v6_dohc

https://www.isuzupartscenter.com/oem-parts/isuzu-thermostat-housing-8971363453

Probable head gasket leak.

It is a BAD idea to run a car without a thermostat. A thermostat brings the car up to operating temp in a certain range. If the engine never gets warm, the rings never seat against the cylinder walls and the car will run very badly. If any radiator hose collapses while running the car, the vent on the radiator cap is plugged up. Replace the Radiator cap and the thermostat and if needed have the radiator cleaned out and use a proper mix of anti-freeze Isuzu recommends.

Follow top radiator hose from radiator to the engine were the hose conect on thermostat housing assembly. there is the thermostat in.

The thermostat on the 2001 Isuzu Rodeo 3.2L v6 is located on the top of the engine under the upper intake manifold. In order to replace it you will have to depressurize the fuel system by running the engine with the fuel pump fuze removed until the engine dies and then carefully remove the fuel rail and injectors. Then remove the intake manifold which will give you access to the coolant nozzle fixture attached to the top of the engine. The thermostat is in the top of the engine block under the nozzle fixture. Be sure to replace the thermostat with the proper replacement part (may be difficult to find) and put on new gaskets for the intake manifold before replacing it.

first thing you need to make the cool down for few hours . then open the upper hose of water that comes from the engin to the radiator . after that you will find the thermostat housing its couple of screws then you can replace the thermostat. pls vote if this helped you
good luck

I just had a garage replace my thermostat on my 2002 Isuzu Axiom. The book calls for 2 hrs labor, no way. iI took the garage more like 5 hrs plus, they ate the additional 3 hrs of labor. Note, the intake manifold must be removed and even then special tools are needed because it is still buried deep down. The garage took pictures ot this one because of how ridiculours Isuzu designed the location.

hey
u says that u didn't replace the thermostat yet
Your thermostat is sticking. DO NOT DRIVE if the car overheats, you can do some serious engine damage, if you haven't done so already. Get the thermostat changed out immediately.

What happened is your thermostat is sticking. It was stuck and you saw it overheat (and should have stopped immediately). The added pressure from having a stuck thermostat pushes the fluild into the overflow.

The temperature may have gone back to normal if the thermostat "finally" opened. However, since the thermostat is sticking, it is unreliable and I would get it replaced.

Driving when the engine overheats can easily cause gaskets, such as the head gasket to fail and heads to warp. If this has occurred, you're looking at a new engine.