Volvo D 20 Service Manual page 72

Group 2l Engine
Timing gear belts, reqlacement
L35
Fill coolant
Capacity: D 20 = 8.'l lilers (8.6 US quarts)
D 24 = 9.3 liters {9.8 US quarrs).
Flush cooling system before adding new coolant, see
Group 26 Cooling System.
Sel dashboard l_eater contro, io max. Turn on engile
and warm-up for 5 minutes. Add coolant during this
time. Connecl hose to cold start device. Fill coolant to
mouth of expansion tank (above max) and screw on
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