How to eliminate the annoying low coolant warning on your dash and the level of the coolant tank is full. We will show you step by step how to replace the factory defected tank that has been going bad on the 2017 to 2019 Silverado Pickup trucks, especially the diesel trucks. Help with the channel and become a subscriber, it doesn't cost you anything and it helps a lot of people with future do-it-yourself videos.

Tools that you will need:
10 mm socket.
Plyers.
Flat screwdriver.
3/8 drive rachet.
3/8 drive extension / 1 short & 1 long.
A Bucket to catch the old coolant and protect your pets from being poisoned by the coolant.
Small bungee cord or rope or string.
Shop towel or rags.
Black spray paint in case there is some rust under the battery tray.
Electric grease ( a very small amount).
1 gallon of GM-approved orange coolant.

1) Safety glasses.
2) Make sure the vehicle is cool and the old coolant tank is not under pressure.
3) Release the top black coolant cap, it comes loose counterclockwise. (See the picture on the cap)
4) Disconnect the negative cable on the driver’s side battery first.
5) Remove the bracket over the battery on the passenger side.
6) Disconnect the negative cable on the passenger side battery.
7) Disconnect the positive battery junction box, it is all 10 mm size bolts, and set aside, don’t lose the screws that hold the 3 wires to the battery bus.
8) Loosen the hold-down bracket on the passenger side battery, there is no need to remove the driver’s side battery.
9) Pull straight up and remove the passenger side battery and set it aside in order to gain access to loosen the 10 mm bolt that holds the coolant tank.
10) Get a bucket or pan big enough to catch the old coolant.
11) Get some rope or bungee cords to tie up 2 coolant lines in order to avoid air getting into the system
12) Remove the sensor connector found under the coolant reservoir tank, it is located towards the front of the tank closest to the fender.
13) Loosen the larger hose first.
14) Loosen the smaller hose on top of the tank second.
15) Tie both lines and secure them to the top of the end block with a rope of bungee cord or strong string.
16) Loosen the 10mm bolt holding the coolant tank, there is only 1 bolt that holds the tank.
17) Slide the tank forward and then up to remove it from the vehicle.
18) Get some rags and clean the area, now is the time if you want to spray some rust removal paint on rusted areas.
19) Open and inspect the new tank for any damages during shipping.
20) Place the tank with the counter screw cap facing up,
21) Lay flat over the 2 openings on the bottom, push down, and slide back towards the firewall
22) Install the 10 mm bolt and tighten, don’t over tighten it.
23) Connect the sensor wire back under the tank.
24) Loosen the rope or bungee cord and install the larger hose first and secure the clamp
25) Install and secure the top smaller hose and secure it with its clamp.
26) Add GM-approved orange coolant to the tank and fill all the way to the top.
27) Check for any leaks.
28) Install the battery back.
29) Clean the battery terminals
30) add some electrical grease to the terminal and the 3 wires that connect to the red bus, use very little grease, don’t over grease it
31) Place the hold-down bolt for the battery
32) Connect the negative cable on both batteries.
33) Install the top bracket on the passenger side of the truck
34) Check for any leaks
35) Turn the truck on and continue to check for any leaks, let the truck warm-up
36) Add additional coolant as needed, it will drop on the first use as it fills the backside of the reservoir tank.
Congratulations! You have now completed the coolant tank replacement on your truck. You have saved $700 by doing it yourself.
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The video was made in order to help you better understand the procedure while also saving you money in shop costs. Music has been muted in the video because of copyright issues with mysterious people laying claim to the music that was provided by the Alphabet company to us to use and later copyright claim made. So forgive the lack of music on this video, either way, it's a video on how to repair your car and not a concert.