5.3 vortec coolant temperature sensor location

#5.3 vortec coolant temperature sensor location how to#
#5.3 vortec coolant temperature sensor location code#
#5.3 vortec coolant temperature sensor location free#

When I pulled the data stream up on my automotive scanner the coolant temperature read -30☏.

This is the vehicle that set the P0128 for the engine coolant temperature below threshold. The customer complained the check engine light was on, the truck ran poorly and stalled occasionally at idle. The first Chevy truck was a 2003 Silverado with a 5.3 L V-8 engine. Let me use the first and second vehicles that helped me discover this common malfunction as prime examples of the varied symptoms. What we also need to make clear is the symptoms associated with the bad Chevrolet coolant temperature sensor can vary greatly. This doesn't mean that every vehicle that has one needs one replaced, but it appears that very few of these trucks will make it through its natural life cycle with the original coolant temperature sender installed. Chevrolet Coolant Temperature Sensor Symptomsįirst, let's clear the air and state that this particular Chevrolet coolant temperature sensor is not known for its extreme reliability. With that said, the coolant temperature sensor discussed in this post finds its way into many other Chevrolet, Buick and GMC truck engines.

This includes the 4.8 L, 5.3 L and the 6.0 L workhorse engines. You'll need a 19 mm deep socket, but a 3/4 standard size also works.Īnother thing to mention, in this article we're concentrating on the Chevrolet V-8 engine. With the radiator cap removed it flows like a tidal wave. If you leave the radiator cap on it comes out slowly. Also remember if you do uninstall it that coolant will come out. Obviously, only remove the sensor on a cold engine. If you can find the number one spark plug boot you'll find the sending unit.

#5.3 vortec coolant temperature sensor location how to#

In this article we'll talk about how to determine the coolant temperature sensor is actually the problem with the vehicle and not the other possibilities that exist.Ībove you'll see the component location diagram for the coolant sensor. Sensor, replacing the thermostat and water pump becomes a for sure waste However, if the failure is with the Chevrolet coolant temperature Especially since, problems with the water pump and finding it necessary to replace the thermostat on vehicles with over 100,000 miles remain a real possibility. It's easy to buy into this type of quick diagnosis. With that said, a quick search on the Internet might lead one to believe replacing the water pump will take car of the issue. This allows them to enjoy better reliability than the parts of the past. I think they improved the manufacturing process on these moving parts. However, it's usually on high mileage vehicles or ones with neglected coolant systems. Sure cars and trucks still need thermostats replaced once in a while. This was a common repair back in the day, but not any more.

#5.3 vortec coolant temperature sensor location code#

Retrieving this trouble code might lead you to believe it's time to replace the thermostat. That's the official definition from my OBD II diagnostic code book. The trouble code stands for coolant temperature below thermostat regulating temperature. The perfect example is when this part sets a code P0128 in memory. We're the company that's here for you on the Internet and in person.The Chevrolet coolant temperature sensor problem remains one of those issues that can mimic or lead you to believe other problems exist with the vehicle.

#5.3 vortec coolant temperature sensor location free#

Please feel free to call us toll-free, 88. Brought to you by your source for quality replacement parts and the best service on the Internet. Tighten up your drain plug and then, using a funnel, replace the coolant and replace your radiator cap and you're all set. It doesn't actually have to be seated to the top of the threading. You want to tighten this until it's nice and firm. Put your new temperature sensor into place and twist it in. You can see that they're identical and they're going to fit exactly the same. On the right is the old temperature sensor. Using a 19 mm socket and ratchet remove the sensor. Just pry down on the tab and pull up on the harness. Your temperature sensor is located right here. Make sure your drip pan is underneath and let your coolant drain out. Using a pair of pliers twist that drain plug. You want to turn this and the coolant will start pouring. Then raise your vehicle and right here is the drain plug. The items you'll need for this are a new coolant temperature sensor from, a 19 mm socket and ratchet, a pair of pliers, jack and jack stands, drip pan, coolant, a funnel, and a flat blade screwdriver. It's the same part and process on these Tahoes from '95 to 2000. In this video we're going to show you how to replace the engine coolant temperature sensor on this 1996 Chevy Tahoe. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of. Brought to you by, your source for quality replacement parts and the best service on the Internet.