Engine Oil Cooler - Mercury MerCruiser D2.8L D-Tronic Service Manual

SERVICE MANUAL NUMBER 22

Engine Oil Cooler

REMOVAL
Refer to Cold Weather or Extended Storage, Draining Instructions in SECTION 1B and
Precautions in this section, BEFORE proceeding.
1. Drain the seawater system.
2. Drain the closed cooling system.
3. Obtain clean, suitable devices and plug hoses in following instructions to avoid loss of
engine oil.
4. Mark port and starboard oil hoses to aid in reassembly.
5. Disconnect oil lines from oil cooler fittings (near each end of oil cooler) on heat
exchanger. Quickly plug the lines.
NOTE: Components shown removed for visual clarity.
90-860074--1 FEBRUARY 2002
a - Engine Oil Cooler / Heat Exchanger
b - Starboard Oil Line and Fitting
c - Port Oil Line and Fitting
NOTICE
a
b
c
SEAWATER COOLING SYSTEM
Page 6A-35