Honda Civic Wagon 4WD 1990 Owner's Manual page 69

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Engine Oil and Filter (cont'd)
Fuel Efficient Oil
For the best fuel economy from your car, it is recommended that
you use a fuel efficient SG oil. This oil is usually identified by the
words such as: "Energy Conserving I I , " "Gas Saving," and "Fuel
Saving," etc.
Changing Oil and Filter
Engine oil and filter should be changed together every 6 months or
7,500 miles (12,000 km), whichever comes first. The filter is located
on the engine block, below the intake manifold. A special "cap
t y p e " wrench is required (available from your Honda dealer). Use
only a genuine Honda filter or its equivalent.
CAUTION:
The oil filter cannot easily be removed from above the engine. For
this reason it is recommended that the oil filter change be done by
a skilled mechanic.
1. Start the car to warm up the
engine, then shut it off.
2. Remove the engine oil filler cap
and drain bolt, and drain the oil.
A warmed-up engine and the oil
in it are hot; be careful not to
burn yourself.
3. Remove the oil filter and let the
remaining oil drain out.
4. Install a new filter according to
instructions on or with the filter.
5. Reinstall the drain bolt with a new washer and tighten it securely.
Refill the engine with the recommended oil, to the upper mark on
the dipstick.
ENGINE OIL CAPACITY (including filter):
3.5 (3.7 US qt, 3.1 Imp qt)
ENGINE OIL
DRAIN BOLT
OIL FILTER