Coolant level sensor

Tiny
BELISCHER
  • MEMBER
  • 2019 CHEVROLET 2500
  • 6.6L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 70,000 MILES
June 2020 we had to have the fan clutch replaced, when I picked up the vehicle as I went to pull out the coolant level sensor warning popped on they pulled it back in said it was an air bubble warning light went off.
Over winter here in WV/PA it came on every now and then- tank was full. My husband started working in ND/Minnesota (a lot colder) in Feb, he would check it regular because it would come one. I just drove it back and we needed some work done from a deer. While it was there I told them about the warning light. They said it needs to be replaced and the tank has to also be replaced because the sensor is in it.

One person is saying the tank and sensor should have been replaced with the fan clutch since it was reading low and should have been checked. The dealership is saying they have nothing to do with each other.

As of right now, I have no idea and obviously need it fixed but I want to know if this should have been done then when the vehicle was covered under warranty, or did the dealership get lucky now that both bumper to bumper and power train are both up.

Any info would be appreciated!
Tuesday, March 23rd, 2021 AT 11:21 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

The sensor is part of the tank and the tank will need to be replaced. I attached the procedure below for you for the repair.

As far as the previous repair, there is no connection between the 2 repairs. Replacing the fan clutch does not require the tank to be replaced.

Roy

Removal Procedure
Caution: The cap mounted to the top of the surge tank uses LEFT HAND threads. Turn the cap clockwise to remove the cap or counter clockwise to install the cap. Failure to turn the cap in the proper direction when installing or removing it may cause damage to the cap and/or the surge tank.
Drain the cooling system. Cooling System Draining and Filling
Battery (3)  Remove †Battery Replacement
Open In New TabZoom/Print

Radiator Surge Tank Inlet Hose (2) @ Radiator Surge Tank  Remove †Radiator Surge Tank Inlet Hose Replacement
Open In New TabZoom/Print

Radiator Outlet Hose (2) @ Radiator Surge Tank  Remove †Radiator Outlet Hose Replacement
Open In New TabZoom/Print

Electrical Connector (1) @ Radiator Surge Tank  Disconnect
Open In New TabZoom/Print

Radiator Surge Tank Bolt (1) Â Remove
Open In New TabZoom/Print

Radiator Surge Tank (1) Â Remove
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Tuesday, March 23rd, 2021 AT 11:45 AM

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