How to change the thermostat on a Chevy Impala?

2000 2001 2002 2003 2004 2005 Chevrolet Impala Thermostat change. The car ran hot while just sitting from the start up. This wasn’t a intermittent problem, as soon as the car started it was on its way to overheat. Changed the thermostat and everything is now fine I only used a 1/4 ratchet set and a 13mm wrench. Loading…

Where is the top radiator hose on an Impala?

Locate the top radiator hose and trace it to the location where the hose is connected to the Impala’s engine. The metal cover that the hose is connected to is the thermostat cover. Remove the clamp that holds the hose onto the cover with a screwdriver. Slide the clamp down the hose so it does not get lost.

What kind of car is a 2003 Chevy Impala?

The 2003 Chevy Impala was a throwback to the horsepower hot rods of the 1960s and 1970s. Since they have higher horsepower output, people tend to drive them harder. If you’re an Impala owner and you have a lead foot, you should keep an eye on the thermostat.

Where to place the thermostat on an intake manifold?

Place the new thermostat into the intake manifold with the correct end facing out of the intake. The thermostat will be marked with the end that should be placed in the “up” position. Place the new gasket onto the intake manifold and replace the thermostat cover. Bolt the cover into place using the bolts that were previously removed.

Where is the throttle position sensor on a Chevy Impala?

Your Chevy Impala uses a series of complex sensors to report what is going on to the ECU. The ECU then uses this information to adjust the timing, air fuel mixture, and more. When one of them goes wrong, it can lead to stalling for sure. Throttle Position Sensor – The throttle position sensor is typically located on the gas pedal.

What causes a Chevy Impala to stall at a stoplight?

A dirty throttle body can lead to stalling in your Impala. If you let off of the gas coming to a stoplight and it stalls for a second or two and recovers itself, it very well could be a dirty throttle body that is causing the problem. Here’s a great YouTube video from EricTheCarGuy. on how to clean a throttle body.

What causes timing chain jumped in Chevy Impala?

Here’s more on timing chain jumped symptoms. Your Chevy Impala uses a series of complex sensors to report what is going on to the ECU. The ECU then uses this information to adjust the timing, air fuel mixture, and more. When one of them goes wrong, it can lead to stalling for sure.

Can you replace a thermostat on a GM 3.4L?

The video shows you how to replace a thermostat on a 3.4L GM but it should also help you repair a 3.1L GM as well. Just a heads up – you’ll need to replace an o-ring when you install the new thermostat as well.

Can you replace the thermostat on a GM 3100?

Replace the thermostat on your GM 3100 or 3400 vehicle with this nifty tutorial. The video shows you how to replace a thermostat on a 3.4L GM but it should also help you repair a 3.1L GM as well. Just a heads up – you’ll need to replace an o-ring when you install the new thermostat as well.

How do you remove the thermostat cover on an Impala?

Remove the clamp that holds the hose onto the cover with a screwdriver. Slide the clamp down the hose so it does not get lost. Pull the hose off the cover and slide it to the side. Remove the thermostat cover by removing the two bolts that hold the cover onto the intake manifold of the Impala.

How do you change the thermostat on a car?

Remove the thermostat housing with a socket, extension and ratchet. Clean the old gasket off the thermostat housing and the engine with a scraper, using a light back and forth motion. Insert the new thermostat with its spring going into the engine. Position the new thermostat gasket onto the motor then secure the thermostat cover on top.

How do you remove a thermostat from an engine block?

Detach the thermostat housing next to the engine block by undoing the bolts with a socket wrench. Disconnect the thermostat from the inside of the housing and put the old thermostat aside.

How to drain engine coolant below the thermostat?

Drain the engine coolant so that it falls below the thermostat level by opening the drain plug at the bottom of the radiator and draining it into a catch pan. Follow the upper radiator hose to the thermostat housing, remove the clamp with a screwdriver then pull the hose away from the thermostat housing. Remove…

Detach the thermostat housing next to the engine block by undoing the bolts with a socket wrench. Disconnect the thermostat from the inside of the housing and put the old thermostat aside.

What are the signs of a faulty thermostat?

Signs of a faulty thermostat often include boiling or rumbling noises. When it sticks open, it can prevent your heater from working during the winter, and if partially closed, the car can run warmer than usual.