New Expansion Tank and Float

[JimPDX]

Took my car in for a coolant leak check. Dripping coolant rear driver's side off exhaust. Time for an expansion tank replacement. Pretty much a no-brainer.

Got a call on my answering service that yes, indeed, it was the expansion tank needing replacment and they were adding the 'new' float (about $12.00 inside the expansion tank).

Since I missed the call, and the shop is closed can someone tell me about this "float" thingy?

Thx... :)

Jim

[1999Porsche911]

In the 99, there is an electric sensor that installs into a cavity on the bottom of the tank. It reads the coolant level.

[JimPDX]

In the 99, there is an electric sensor that installs into a cavity on the bottom of the tank.  It reads the coolant level.

<{POST_SNAPBACK}>

Hi Jim...

but is that the "float" they are speaking about? I know the sensor reads the level...but why would they call that a 'float'?

Thx...

Jim