Adapter / Oil Thermostat; Removal - Mercury MerCruiser D2.8L D-Tronic Service Manual

SERVICE MANUAL NUMBER 22

Adapter / Oil Thermostat

Removal

1. Disconnect wire from oil temperature audio warning switch.
2. Using a suitable container to catch oil, completely loosen hose fittings retaining oil lines
to adapter / oil thermostat. Make matching marks on hoses to assist in reassembly.
3. Completely loosen hex head screw fitting retaining adapter to cylinder block.
Typical
4. Lift adapter and screw fitting from engine. Remove fitting and sealing washer.
5. If not already accomplished, remove old O-ring from groove on adapter (on underside
when adapter is mounted).
90-860074--1 FEBRUARY 2002
a - Oil Temperature Audio Warning Switch
b - Hose Fitting
c - Adapter / Oil Thermostat
d - Screw Fitting
a - Adapter / Oil Thermostat
b - Sealing Washer
c - Screw Fitting
d - O-Ring Seal
b
a
c
c
b
a
d
ENGINE MECHANICAL
d
b
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