Anti-Freeze Concentration; Frost Precautions - Triumph TR6 Handbook

C O O L I N G S Y S T E M
Frost Precautions
The car heater cannot be completely drained by normal
methods.
Therefore frost damage will not be prevented by
merely draining the radiator.
For your protection during freezing weather, an approved
anti-freeze solution should be added to the coolant in the radiator.
ANTI-FREEZE CONCENTRATION
Contplete Protectiort
Vehicle may be driven away immediately from cold
Safe Limit
Coolant in mushy state. Engine
away after short warm-up period
mav be started and
driven
Lon,er Protection Limit
Prevents frost damage to cylinder head, block and radiator
Engine should NOT be started until thawed out.
Because of the searching effect of these solutions, advise your
dealer to check the system for leaks before adding the anti-freeze.
At certain temperatures glycol Water solutions adopt a
"mushy" state with a viscosity which impairs circulation and
can immobilise or damage the water pump.
Therefore, consult
the following chart before adding anti-freeze, for the degree of
frost protection required.
) 5 0 . /
- "
/ o
30)(
3 5 %
1 0" F. (- 1 2' C .)
( -1 7' C .)
-1 4' F. (- 2 6" C. )
I
(-30'c.)
| -28"F. (-33"C.)
I
- l
I
3"F. (-16-C.)
(-28'C.)