UAZ -374195 Operation Manual page 57

(when the first 2,500 km are covered) with one of the following filters:
2101С-1012005-NK-2, 2105С-1012005-NK-2 manufactured by KOLAN,
or 409.1012005 manufactured by BIG-Filter, LLC.
For oil cooling, the lubrication system comprises the oil cooler
connecting into the cooling process automatically using the thermal valve.
Regularly check the oil level in the housing and fill it up, as required.
The oil level shall be checked before starting the engine. In case the
check up is done after the engine stop, wait for 15 minutes to let the oil
run down into the housing. Place the vehicle on a horizontal site. The
oil level shall be between "0" and "П" oil level gauge marks 9 (Fig. 9.2).
In case of frequent off-road trips keep it close to "П" mark, but do not
exceed it. The volume of oil to be added to the engine between "0" and
"П" marks equals 1 liter.
Use recommended oil brands.
mixing engine oils of different grades and from different
manufacturers is forbidden! If the engine oil of another grade or
manufacturer is to be poured, make sure you have flushed the lubrication
system with flushing oil. Flushing oil shall be selected as required by the
engine oil manufacturer.
Replace the oil filter at each engine oil change. Drain used oil from
the engine housing immediately after a trip while it is still hot. In this
case, the oil flows out quickly and completely.
Remove oil filter 11 (see Fig. 9.3) by turning it counter-clockwise.
When installing a new filter, make sure the rubber O-ring is in proper
condition and lubricate it with the engine oil, turn the filter until the
O-ring touches the crankcase plane and then tighten the filter another
3/4 of turn. Make sure no oil leak occurs.
With the warm engine and the intact lubrication system, the critical oil
pressure indication lamp may be on at idle, but it shall go off immediately
after increasing the engine rpm.
It is recommended to flush the engine lubrication system after each
two oil changes. For that purpose, drain the used oil, fill in special
flushing oil 3-5 mm over the "O" mark on the oil level indicator and let
the engine run for 10 minutes. Then drain the flushing oil, replace the
oil filter and pour in clean engine oil. If the flushing oil is not available,
use pure engine oil for purging.
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