SERVICE MANUAL NUMBER 26
181 CID (3.0L) 4 CYLINDER GM ENGINE
Crankshaft
Removal
1.
2.
3.
Remove engine from boat.
Drain crankcase oil.
Remove as outlined:
a. Starter.
b. Flywheel housing.
c. Drive coupler and flywheel.
d. Belts.
e. Water pump.
f.
Crankshaft pulley and torsional damper.
g. Spark plugs.
h. Oil pan and dipstick tube.
i.
j.
Oil pump.
Timing chain cover.
4.
5.
6.
7.
Turn crankshaft to align timing mark with camshaft mark.
Remove camshaft sprocket.
Remove rear main seal and retainer.
Ensure all bearing caps (main and connecting rods) are marked so they can be rein-
stalled in their original locations.
8.
Remove connecting rod bearing caps, then push piston and rod assemblies toward
heads.
9.
Remove main bearing caps and carefully lift crankshaft out of cylinder block.
Remove crankshaft gear as shown.
10.
74476
11.
If new main and/or connecting rod bearings are to be installed, remove main bearing
inserts from cylinder block and bearing caps, and/or connecting rod bearing inserts from
connecting rod and caps. Install new bearings following procedures outlined.
Index
90-861329--1
MARCH 1999
Page 3A-55
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 181 CID |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(6 votes, average: 5 out of 5)
Marine readers have rated Mercury MerCruiser GM 4 Cylinder 181 cid 3.0L Marine Engines Service Manual Number 26 5.0 out of 5.0 based on 6 product reviews. Thanks for sharing this material. Helps a lot after suffering with bad mechanics. spend too much money and nothing very good
great manual, makes impossible jobs possible. without a manual you can not do the job, a must have.
Great resource. Excellent information provided.
Need help to install automate choke
Need help to instal automate choke