Chrysler RAM TRUCK 2500 1994 Service Manual page 42

• LUBRICATION AND MAINTENANCE i - 17
face. With engine OFF, allow enough time for oil to
settle to bottom of crankcase, remove engine oil level
indicator (dipstick) and wipe clean. Install dipstick
and verify it is seated i n the tube. Remove dipstick,
with handle held above tip, take oil level reading
(Fig. 2). Add oil only i f level is below M I N or ADD
mark on dipstick.
Fig. 2 Oil Level Indicator Dipstick—Typical
ENGINE OIL CHANGE
Change engine oil at mileage and time intervals
described in Maintenance Schedules.
TO CHANiE ENOINE OIL
(1) Position the vehicle on a level surface.
(2) Hoist and support vehicle on safety stands. Re­
fer to Hoisting and Jacking Recommendations i n this
group.
(3) Place a suitable drain pan under crankcase
drain.
(4) Remove drain plug from crankcase and allow
oil to drain into pan. Inspect drain plug threads for
stretching or other damage. Replace drain plug and
gasket i f damaged.
(5) Install drain plug i n crankcase.
(6) Lower vehicle and fill crankcase with specified
type and amount of engine oil described i n this sec­
tion.
(7) Start engine and inspect for leaks.
(8) Stop engine and inspect oil level.
ENGINE OIL FILTER
SELECTING OIL FILTER
Chrysler Corporation recommends a Mopar or
equivalent oil filter be used when replacement is re­
quired. A replacement filter must be designed to
withstand 1756 kPa (256 psi) of internal pressure.
OIL FILTER REMOVAL
(1) Position a drain pan under the oil filter.
(2) Using a suitable oil filter wrench (Fig. 3) loosen
f i l t e r .
(3) When filter separates from adapter nipple, tip
gasket end upward to minimize oil spill. Remove fil­
ter from vehicle.
(4) With a wiping cloth, clean the gasket sealing
surface (Fig. 4) of oil and grime.
OIL FILTER INSTALLATION
(1) Lightly lubricate oil filter gasket with engine
oil or chassis grease.
(2) Thread filter onto adapter nipple. When gasket
makes contact with sealing surface, tighten filter one
full turn. If necessary use a filter wrench, do not over
tighten.
(3) Add oil, verify crankcase oil level and start en­
gine. Inspect for oil leaks.
Fig. 3 Remove Oil Filter
Fig. 4 install Oil Filter