181
CID (3.0L) 4 CYLINDER GM ENGINE
SERVICE MANUAL NUMBER 26
Installation
IMPORTANT: When installing rocker arms and rocker arm balls, coat bearing sur-
faces of rocker arms and rocker arm balls with engine oil.
1.
2.
Install push rods in their original locations. Be sure push rods seat in lifter socket.
Install rocker arms, rocker arm balls and rocker arm nuts in their original locations.
76232
3.
4.
Turn nut down 1/4 additional turn and pause 10 seconds until engine runs smoothly.
Repeat additional 1/4 turns, pausing 10 seconds each time, until nut has been turned
down 3/4 turn from zero lash position.
Adjust carburetor idle speed and mixture.
Valve Adjustment
Engine Not Running
With valve cover removed, adjust valves when lifter is on low part of camshaft lobe, as
follows:
1.
Crank engine with starter or turn over in normal direction of rotation until mark on
torsional damper lines up with center “0” mark on timing tab, and engine is in No. 1 firing
position. This may be determined by placing fingers on No. 1 valve as mark. If valves
move as mark comes up to timing tab, engine is in No.4 firing position and should be
turned over one more time to reach No. 1 position.
50770
Typical
Index
Page 3A-18
90-861329--1 MARCH 1999
| 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