Daf LF.book - Peterbilt Motors Company

Inspections and Maintenance
immediately after oil has been added, the level shown on the dipstick will be too
low.
6. Fill oil through the filler opening (1) until the oil level reaches the maximum mark.
Only use engine oil that meets specifications. See "TECHNICAL DATA".
Note:
For the difference between the minimum and maximum engine oil level, see
"TECHNICAL DATA".
TOPPING UP COOLANT
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When the coolant is hot, there is an overpressure in the cooling
system. If circumstances dictate that it is necessary to top up the
coolant when the engine is warm, unscrew the filler cap carefully
one turn to relieve the overpressure. Take adequate precautions
against burning by, for example, placing a cloth over the cap.
Coolant is a toxic fluid. Contact with the skin should therefore be
avoided. Also see "Lubricant, engine coolant and fuel
specifications" in "TECHNICAL DATA"
To prevent damage to the engine block, topping up with cold
coolant when the engine is hot must be done slowly and with the
engine running.
Do not loosen the filler cap of the cooling system when the cab is
tilted.
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