Nissan Trucks and SUVs

Where is the thermostat located on a 1991 Nissan 240SX?


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2015-07-17 17:57:04
2015-07-17 17:57:04

Find the lower radiator hose, which is under the top hose running from the left side of the radiator to the engine.

The loswer hose should run into an L shapped housing which is bolted onto the motor. Remove the 3 bolts attaching the housing to the motor, the thermostat should be right there. When replacing the housing besure to use a liquid gasket or else you'll have a leak.

If you look straight down on your engine it right below a little to your left of your cam gears, its that tube that sticks out and goes to the left and to down below into your radiator. The tube is connected to a metal thing, you have to take off the metal thing and the thermostat will be inside.

where the bottom hose of the raidator connects to the engine.

ok clear this up. At the lower hose is a sensor not the thermostat, the thermostat is located on the front of the block running vertical and just left of the water pump.

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ask the mechanic from the Nissan company

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The thermostat housing is located below the alternator and directly across from the lower right side of the radiator(not the lower radiator hose side).

I do believe it is on the top of the passenger side valve cover. That was where it was located in the 1991 240SX. You want to make sure the car is turned off before you begin looking for it.

The fuel pump on a 1991 Nissan 240 SX is located back by the fuel tank. It is an in-line pump, in the fuel line that runs from the gas tank to the carburetor. It is about the same size as a large soup can.

Stand in the front of the car and follow the upper radiator hose on the left. The thermostat should be in the housing where the radiator hose ends.

yes it will and its about the best thing you could do to a 240Sx.

take out the halfshafts pull the motor and unbolt the tranny

The thermostat on a 1991 Buick Skylark is located near the engine. To find the thermostat, follow the top radiator hose directly to the thermostat.

You can find the 1991 Dodge Shadow thermostat in the thermostat housing. The thermostat housing will be on the front of the engine.

Normally it is behind the brake pad...feel around there it should be there.

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Almost all car regardless of make or model the thermostat is located where the top radiator hose meets the motor. Either in the intake or the front of the block

The thermostat is located under the alternator and is attached to the bottom radiator hose. There are four bolts holding the thermostat housing to the block and two bolts connecting the housing to the bottom radiator hose. Remove the housing. You will need to use liquid gasket maker as there are no longer gaskets for the thermostat.

follow top radiator hose ,its inside the cover.

Yes the ecu will work. First disconnect the battery and connect the new one then reconnect the batter. Start up the 240sx and it should work it not it needs to be diagnoste goggle 1990 240sx ECU CODES FOLLOW THE STEPS AND THAT SHOULD WORK I know cause I'm using a 1992 ECU FROM Nissan Stanza. I was told it's alittle advanced on the horse power side and idle moves quicker.

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