18
Anti-freeze
During the cold season, suitable anti-freeze should be ad-
ded to the cooling water in the fresh water system.
We recommend that you use our ethylene glycol (red, part
number 283241 in cans of 4.5 litres = 1 Imp.gall. = 1.2
U.S.gall.), which have the right amount of additive for neu-
tralizing corrosive matter that may be in the cooling water.
If Volvo’s red glycol is used, it is sufficient to change the
coolant once a year, preferably in the autumn (fall).
Never use anti-freeze which is not approved. Among other
things, certain types of anti-freeze can cause corrosion in
the engine.
Methylated spirit of any kind should not be used since it
evaporates fairly quickly. It also increases the risk of corro-
sion in the cooling system.
At least 40% glycol should be used in order to avoid corro-
sion.
Flush the cooling system clean before filling it with antifree-
ze. Check hoses and connections and remedy any leaka-
ge.
*Incl. separate expansion tank.
NOTE! If water without glycol is used during the summer do
not add anti-corrosion agent which can damage the light-
alloy parts in the cooling system. In order to avoid corrosi-
on, the easiest method is to use a suitable mixture of Volvo
Penta red glycol all year round. It should be changed every
autumn.
Fig. 32. AQD70D, TAMD70D
F = Fresh water cocks
S = Seawater cocks
1 = Fresh water filler cap
2 = Venting cock
Fig. 31. All engines (The cocks are similarly placed.) The
dotted lines apply only to AQD70D, TAMD70D engines
F = Fresh water cocks 2 = Venting cock
Fig. 29. TAMD60
F = Fresh water cocks
S = Seawater cocks
1 = Cap, topping-up, fresh water
2 = Plug for filling larger amounts of
fresh water
Fig. 30. AQD70C, TAMD70C
F = Fresh water cocks
S = Seawater cocks
1 = Fresh water filler cap
2 = Venting cock
Cooling system capacity
dm
3
(l) (Imp. gall. = US
gall) approx.:
Amount, dm
3
(litres) (imp. gall. = US gall.) of
glycol necessary for frost protection down to
approx.:
TAMD60A, B 20
(4.4 = 5.3)
TAMD60A, B 23
(5.1 = 6.1)*
AQD70C, TAMD70C 28
(6.2 = 7.4)
AQD70D, TAMD70D 30
(6.6 = 7.9)
–25°C (–13°F) –30°C (–22°F) –40°C (–40°F)
8.5 (1.9 = 2.1) 9.5 (2.2 = 2.5) 11 (2.4 = 2.9)
9.5 (2.2 = 2.5) 11 (2.4 = 2.9) 13 (2.9 = 3.4)
11.5 (2.5 = 3.0) 13 (2.9 = 3.4) 15.5 (3.4 = 4.1)
12.3 (2.7 = 3.2) 14 (3.1 = 3.7) 16.7 (3.7 = 4.4)
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