Installation
9. Start engine and inspect for leaks.
a
b
ALL MODELS EXCEPT STAINLESS STEEL
THERMOSTAT HOUSING
1.
Clean gasket surfaces on thermostat cover and
thermostat housing.
c
2.
If thermostat housing was disturbed during re-
moval of thermostat, remove thermostat hous-
ing. Clean gasket surfaces on thermostat hous-
ing and intake manifold and replace thermostat
housing-to-intake manifold gasket.
d
e
f
IMPORTANT:Gaskethascontinuityrivets.Donot
coat with Quicksilver Perfect Seal, or audio warn-
ing temperature switch may not work properly.
3.
Place O-ring in the thermostat housing. Be cer-
tain it is positioned properly on mounting flange
in housing.
4.
Place thermostat in thermostat housing with ther-
mostatic element end toward housing bottom, as
shown.
72589
a - Cover
b - Gasket
5.
6.
Align tang on sleeve with groove in thermostat
housing bore and install sleeve into housing.
c - Spacer
d - Thermostat (Typical)
e - O-Ring
Coat both sides of new thermostat cover-to-ther-
mostat housing gasket with Quicksilver Perfect
Seal and position on housing.
f - Housing
MODELS WITH STAINLESS STEEL
THERMOSTAT HOUSING
7.
8.
Reinstall thermostat cover (with engine lifting
eye, if so equipped) and torque screws with lock-
washers to 30 lb. ft. (41 N·m).
1.
Clean gasket surfaces on thermostat housing
and intake manifold.
IMPORTANT:Gaskethascontinuityrivets.Donot
coat with Quicksilver Perfect Seal, or audio warn-
ing temperature switch may not work properly.
Reconnect hose(s) to thermostat housing. Tight-
en hose clamps securely.
2.
Place O-ring in the thermostat housing. Be cer-
tain it is positioned properly in housing.
3.
Place thermostat in thermostat housing with ther-
mostatic element end toward housing bottom, as
shown.
4.
5.
Align tang on sleeve with groove in thermostat
housing bore and install sleeve into housing.
Coat both sides of new thermostat housing gas-
ket with Quicksilver Perfect Seal and position on
intake manifold.
6.
7.
Reinstall thermostat housing and torque screws
with lockwashers to 30 lb. ft. (41 N·m).
Reconnect hose(s) to thermostat housing. Tight-
en hose clamps securely.
Index
6A-40 - SEAWATER COOLED SYSTEMS
90-823224--2 796
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
Model Year | 1993, 1994, 1995, 1996, 1997 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you