Skip to Content

How Many Thermostats Does a Nissan Altima Have?

How Many Thermostats Does a Nissan Altima Have?

Thermostats regulate the coolant flow in their engine and radiator to reduce heat and control the cabin temperature. The Nissan Altima is an advanced car with the latest features and a powerful engine.

How Many Thermostats Does a Nissan Altima Have? Nissan Altima has one to two thermostats according to their models; the first one reduces the engine heat with coolant flow, while the second works with radiator hot water and regulates the cabin temperature. 1992 to 2006, 2007, 2008, 2010, 2011, 2013, 2009, 2012, and 2014 models have one thermostat, and the 2015 to 2023 models have two thermostats.

They can regulate the engine’s high temperature and monitor the radiator. 

Number of thermostats in a Nissan Altima

Thermostats are specific devices that regulate engine heat. Their temperature regulation properties extend to the radiator of these cars, which evaporates the heat in the form of vapors.

They can control the flow of specific coolants in between the vehicle engine and stock radiator. In addition, they can maintain a specific temperature to improve the car’s performance and optimize radiator efficiencies.

These cars have one or two thermostats according to their designs. They have several upgrades that include the advanced climate control mechanism.

In such circumstances, they are two inside the latest Nissan Altima models. The older variants with climate control systems can have two of them.

They can regulate the engine heat level and prevent the motor from cold start damage. Also, they control the coolant flow and optimize the vehicle efficiency.

You can find one thermostat in the stock vehicle radiator. It can regulate the engine heat to reduce internal temperature and protect the motor from heat-related failures.

It prevents overheating of the car engine and improves its lifespan.

As a result, it remains connected, opens, and activates.

Then, it increases the free-flowing properties of the coolant, which reaches the engine and reduces its internal temperature. You can identify it in the cabin of the Nissan Altima.

It connects with the heater of your vehicle’s passenger cabin. It connects with the core of the cabin’s heater and utilizes the engine block water.

The engine block of these cars has water with high temperature, and the cabin thermostat utilizes it to facilitate high heat levels in the passenger cabin.

It activates and provides heat when the external temperature is low. Furthermore, it benefits drivers and travelers during long-distance cold weather driving conditions.

It regulates and controls the hot water and air regulation in the passenger compartment of these cars. It protects the passengers from external cold temperatures, keeps them warm, and ensures their comfort.

1992 to 2006 models have one thermostat that regulates the coolant flowing speed to improve the temperature.

It can reduce the engine temperature and enhance the motor’s lifespan. Finding them behind the exhaust manifold shield and inside the hood is better.

There are two mounted inside the 2007 variants of this car. However, one connects with the radiator and regulates its heat levels.

The second option is a small valve that controls the water and works with the heater of the passenger cabin. They are two in 2008 variants because of their prominent layouts and functionalities.

One regulates the temperature, and the other keeps the cabin at optimal heat. The 2009 models of Nissan Altima have one thermostat that works with the engine.

It reduces the motor temperature and promotes the coolant flow. There are two 2010 variants of these vehicles because of their layouts.

One works with the radiator and warms and cools the cabin according to the environmental temperature. However, the second works with the hood motor and reduces its temperature to prevent overheating.

The 2011 variant comprises two built-in thermostats according to their layouts. You can identify one of them on the upper side of the engine cylinder head.

The other is at the bottom exhaust intake manifold to regulate the airflow. Both combine because of their mounting position and work to control and regulate the coolant flow properties inside the engine.

They control the engine heat and optimize its efficiency at a standard level. You can find one thermostat in the 2012 models.

It controls the coolant flowing properties and monitors the engine heat. Also, you can find it inside the hood.

It is on the front side of the motor block with a surrounding housing for optimized protection. There are two thermostats in the 2013 models, and one is inside the hood. It is near the motor on the driver’s side of the vehicle.

Its identification is less time-consuming on the oil filter of your vehicle hood. A plastic-based housing or cover protects it from damage and debris accumulation.

The other is inside the cabin compartment of these car variants. It regulates the airflow in the interior of these vehicle models.

Also, it promotes motor performance to its longer life expectancy. The 2014 variants of this car have one thermostat, which connects to the engine.

It is in the internal side of the housing that mounts on the coolant flow passage.

The latest models from 2015 to 2023 have two thermostats because of the cabin climate control mechanism. One of them mounts inside the vehicle cabin; regulates the airflow, and stabilizes the temperature.

The other is in the hood, which works with the engine and reduces its heat level.

Why does Nissan Altima have thermostats?

These cars have a thermostat for temperature regulation in the cabin and engine.

Monitoring engine combustions

The combustion of the Nissan Altima engine varies according to high and low internal temperature. The thermostat of the vehicle activates when its temperature increases.

It disconnects the radiator from the engine and stabilizes the heat level. It controls the combustions by standard fuel mixing with oxygen at an optimized temperature.

The heat is reduced, and fuel mixes with the cylinder air for specific combustions. It increases car speed and optimizes its performance on various roads.

The monitoring of combustions makes the vehicle stable at variable temperature ranges. It does not overheat and remains safe from damage.

Stabilizing engine heat level and better fuel economy

The engines of the Nissan Altima spin at higher torque (rotations per minute) because of the standard performance. It increases the engine temperature from the operational limit, which leads to fuel loss.

This overheating increases fuel consumption, and it activates. It increases the coolant flow in the engine, and the temperature decreases.

The fuel loss decreases, and as a result, fuel economy improves. It connects with motors, pushes the coolant into the radiator, and emits heat as vapors.

The cycle continues to cool down the vehicle engines and improve fuel economy.

Cabin temperature control

They work with the heating system of these vehicles and regulate the cabin heat level.

Also, they work with the heater core and increase or reduce the internal heat level of the car’s cabin. They protect the passengers from cold weather and reduce the temperature when the cabin heat level increases.

It works for passenger cabins and uses warm water to increase the temperature during cold weather traveling conditions.

Controlling cabin temperature with the climate control system is one of the most significant properties of cabin-based thermostats in cars.

Easy to start the car in the cold

The environmental temperature can decrease the heat level of the Nissan Altima cabin and engine. The engines start at cold temperature conditions, which can damage them.

They do not perform at a specific level when you cold start them. Therefore, the thermostat activates and regulates the radiator and engine.

They can increase the temperature to optimize it at the operational heat level.

It prevents the motors from cracks and failures when you start them at cold internal temperature conditions.

How do I know my Nissan Altima has two thermostats?

These cars have various upgrades and advanced amenities inside the cabin. Their models are innovative, with amenities like thermostats.

Their numbers are one in a few variants, and others have two. You can identify their numbers by checking the climate control mechanism on your car model.

Nissan Altima’s latest models have two because of the built-in climate control system. Otherwise, the variants with fewer upgrades have one thermostat that connects to the engine and regulates its temperature.

However, these cars can have one or two of them because their old and modern models have stock climate control mechanisms in the cabin compartment.

The availability of the climate control system inside their cabins shows they can have two in different mounting positions.

Related Articles:

Can You Add a V8 Engine to a Nissan Altima?

Heads Up Display in Nissan Altima