Thermostat
2. Disconnect hoses from thermostat cover.
3.
Remove thermostat cover attaching bolts and
lockwashers, then remove cover and gasket.
Removal
4.
Remove thermostat from thermostat housing.
1.
Follow instructions “a” and “b”:
a
a. Drain coolant from exhaust manifolds by re-
moving lower hose or plug from each man-
ifold. Be sure to drain both port and starboard
sides.
b
c
e
NOTE: If coolant flow is restricted or fails to occur, a
wire shouldberepeatedlyinsertedintoalldrainholes
to insure there are no obstructions in passages. Re-
move petcock, if necessary, to insert wire completely
into drain hole.
d
b. Drain engine block by removing drain plug.
Be sure to drain both port and starboard
sides.
f
g
h
i
72719
MCM Model Shown - MIE Models Not Equipped
with Lifting Eye
a - Bolts
b - Lockwashers
72609
a
c - Lifting Eye (MCM Models Only)
d - Hex Head Bleeder
e - Cover
f - Gasket
g - Thermostat (Typical)
h - Housing
i - Gasket With Continuity Rivets
b
74130
Starboard Side Shown (Port Side Similar)
a - Hose
b - Drain Plug In Exhaust Manifold Elbow
Index
90-823324--2 796
CLOSED COOLING SYSTEMS - 6B-7
| 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 |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. 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