| Fig. 1: Typical engine oil dipstick — except
rotary engines
|
| Fig. 2: Rotary engine oil dipstick
|
| Fig. 3: After locating the engine oil dipstick (1986
model shown), pull it free . . .
|
| Fig. 4: . . . wipe off the dipstick and re-insert it
into the engine. Pull it free again and read the level — it
should read between the two marks (F = full L = low)
|
| Fig. 5: If it reads at the L mark or lower, add oil
to bring the level up to full by removing the oil fill cap . . .
|
| Fig. 6: . . . and, using a funnel, pour oil of the
proper grade into the oil fill — check the level often
while filling and be sure not to overfill
|
Under normal operating conditions, the Mazda rotary engine burns about one quart of oil every 1,000–1,400 miles as part of its combustion process. Therefore, the oil level should be checked frequently. The engine oil should be checked on a regular basis, ideally at each fuel stop. If the truck is used for trailer towing, or for heavy-duty use, it would be wise to check it more often.
When checking the oil level, it is best that the oil be at operating temperature, although checking the level immediately after stopping will give a false reading because all of the oil will not have drained back into the crankcase. Be sure that the truck is on a level surface, allowing time for all of the oil to drain back into the crankcase.
