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How to Replace Coolant Temperature Sensor 2002-06 Jeep Liberty
Created on:
Tools used
3/4 Inch Socket
Funnel
Socket Extensions
Flat Blade Screwdriver
16mm Wrench
8mm Allen Wrench
Drain Pan
Ratchet
1. Draining the Coolant
Twist off the coolant tank cap
Have a drain pan ready
Remove the radiator drain plug with a 16mm wrench
Allow the fluid to drain
2. Removing the Coolant Temperature Sensor
Disconnect the wiring harnesses to access the coolant temperature sensor
Re move the coolant sensor with a 3/4 inch socket and ratchet
3. Installing the New Coolant Temperature Sensor
Insert the coolant sensor with a 3/4 inch socket and ratchet
Connect the wiring harnesses
4. Refilling the Coolant
Tighten the radiator drain plug with the 16mm wrench
Refill the coolant tank
Twist on the coolant tank cap
Loosen the coolant bleeder plug with an 8mm Allen bit
Run the engine
Check the coolant level
Add coolant as necessary
Tighten the bleeder plug with an 8mm Allen bit
Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
Hi, I'm Don from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.
In this video, we're going to show you how to replace the coolant temperature sensor on this 2006 Jeep Liberty with the 3.7 liter V6 engine. The items you'll need for this are a new coolant temperature sensor from 1AAuto.com, a 16 millimeter wrench, a drip pan, a flat blade screwdriver, a funnel with a screen, a 3/4 inch socket and ratchet with an extension, and an 8 millimeter Allen bit.
Remove the cap to your coolant reservoir. Your drain plug's located right here under the bumper. You're using a 16 millimeter wrench. Just loosen that up. Make sure you have a drip pan underneath to collect the coolant.
To access the coolant temperature sensor, you're going to have to disconnect a couple harnesses. Pry up the red clip on this harness, and then push in the tab and pull the harness free. Now, right here, push on the tab on this harness and pull this harness free, and this is actually your coolant temperature sensor. Use a 3/4 inch socket and just remove the sensor.
On the left, is the old coolant temperature sensor. On the right, is the new one from 1A Auto. You can see they're identical and they'll mount exactly the same. Put the sensor into the socket and lower it down into place. Just twist it in. Then use the ratchet to tighten it up. Now, reconnect the two harnesses, and on that white harness, make sure you push down that red clip.
Use your 16 millimeter wrench to tighten up the coolant drain plug. Refill your coolant reservoir using the proper type of coolant. Some of this may go down into the engine, as well, so it might take a little while to fill. Replace your cap. You're going to want to bleed the air out of the coolant system, so there's a little bleeder plug here. Loosen that up. You'll want to check the fluids. Make sure you keep the fluid tank at the appropriate level. Then, as you can see here, loosen that up, and you'll see air come out. You don't want to take it all the way out, just have it loose. It lets the air come out. Then, once you fill your coolant bottle to the right level, tighten that plug up. You should hear that your engine's getting the coolant through here. The temperature gauge will settle in, right where it should be.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
ESA53535
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Coolant sensor
O
July 27, 2017
Great product, great service by staff
Very happy will buy in future parts for my cars
Thank you
Great Quality!
Mohamed
August 1, 2019
I purchase many parts from 1AAuto and every part I buy works great. They defiantly make better parts than any auto parts store I go to. Will defiantly buy from them again.
sensor good
S
August 19, 2020
good sensor
Ricardo
September 8, 2021
Easy to install direct fit
Good purchase
Michael
September 18, 2024
Fixed my issue on a 1999 Jeep Cherokee Sport 4.0. Direct replacement.
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