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Mercury D4.2L User Manual

Mercury D4.2L
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69
CD639
Checking Fluid Levels
CRANKCASE OIL
CAUTION
Avoid possible injury or damage to oil dipstick and internal engine components. Do not remove crank-
case oil dipstick when engine is running. Stop the engine completely before removing or inserting dip-
stick.
If it becomes necessary to check oil level during operation, stop engine and allow 5 minutes for oil to drain into pan.
1 Remove dipstick. Wipe clean and reinstall into dipstick tube.
2 Remove dipstick and observe oil level. Oil must be between MIN and MAX marks on dipstick. If necessary,
add oil as follows.
3 Remove oil filler cap. Add specified oil to bring level up to, but not over, MAX mark on dipstick. Reinstall oil
filler cap.
A D3.6L and D4.2L
B D2.8L D-Tronic and D4.2L D-Tronic
C D4.2L LD
CD482
DRIVE UNIT OIL
NOTE: Oil level will fluctuate during operation. Oil level should be checked with cold engine before starting.
4 Check gear lube monitor oil level. Keep oil level at or near FULL line. Check for water at bottom of monitor
and/or if oil appears to be discolored, contact your Authorized MerCruiser Dealer immediately. Both conditions
may indicate a water leak somewhere in the drive unit.
IMPORTANT: If more than 2 fl. oz. (59ml) of Quicksilver Gear Lube are required to fill drive unit, a seal
may be leaking. Contact your Authorized MerCruiser Dealer for service. Damage to unit may occur due
to lack of lubrication.
CD270
POWER STEERING PUMP FLUID
IMPORTANT: If fluid is not visible in reservoir, contact your Authorized MerCruiser Dealer.
Power steering fluid must be checked with engine off and drive unit pointed straight back. Check with engine warm.
5 Remove fill cap/dipstick from reservoir. Wipe clean and reinstall into reservoir.
6 Remove fill cap/dipstick from reservoir and observe fluid level. Fluid must be between marks A and B on fill
cap/dipstick.
A MAXIMUM - FULL HOT Fluid Level -top Line. Fill to this level when fluid is hot. Do not overfill.
B MINIMUM - FULL COLD Fluid Level - Fill to this level when fluid is cold. Do not allow fluid to drop below this
level.
7 If necessary, add Quicksilver Power Trim and Steering Fluid or, if Quicksilver Power Trim and Steering Fluid
is not available, use Dexron III, to bring fluid to proper level. Replace fill cap/dipstick.

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Mercury D4.2L Specifications

General IconGeneral
BrandMercury
ModelD4.2L
CategoryEngine
LanguageEnglish

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