Recommended SAE viscosity number
CAUTION
Always be sure to clean the area around any filler plug, drain plug, or
dipstick before checking or draining any lubricant. This is especially important
in dusty or sandy areas and when ...
Inspection
1.
Check the engine oil quality.
Check the oil deterioration, entry of water, discoloring
of thinning. If the quality is visibly poor, replace the oil.
...