Freeze Protection, Checking And Adding Coolant Additive

Special Tools And Workshop Equipment Required

Refractometer:T10007 A

Fig 1: Identifying Refractometer T10007 A
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

NOTE:

Read the bright/ark boundary to obtain an accurate reading for the following tests. Place a drop of water on the glass to improve the readability of the bright/dark boundary. The bright/dark boundary can be clearly recognized on the "WATERLINE".

-- Check The Coolant Additive Concentration Using The Refractometer:T10007 A . Refer to the Owner's Manual.

The Scale -1- On The Refractometer Applies To Coolant Additive G12 Plus Plus.

Fig 2: Identifying Scales On Refractometer: Coolant Additive G12 Plus -1- And Coolant Additive G13 -2-

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The scale -2- is designed only for coolant additive G13.

-- Drain some of the coolant and add coolant additive if the freeze protection, refer to COOLANT LEVEL, CHECKING AND FILLING if the frost protection is inadequate.

NOTE:

If You Cannot Clearly Determine Which Coolant Additive Is In The Coolant System, Use The Scale -2- For Coolant Additive G13.

Follow All Disposal Regulations.

-- Check The Freeze Protection After The Road Test.