SERVICE MANUAL NUMBER 26
181 CID (3.0L) 4 CYLINDER GM ENGINE
Torsional Damper
Removal
1.
2.
3.
Support front of engine (if in boat) with overhead hoist.
Remove front mounting bracket and drive belt. Remove retaining bolt, if equipped.
Install tool J-6978-E to balancer and turn puller. Remove drive pulley, then remove
torsional damper retaining bolt.
IMPORTANT: DO NOT use a universal claw type puller to remove torsional damper
(in next step) as outside ring of torsional damper is bonded in rubber to the hub and
use of claw type puller may break the bond.
4.
Remove torsional damper with torsional damper remover and installer.
a
72890
a - Torsional Damper Remover and Installer (J-6978-E)
Installation
IMPORTANT: The inertia weight section of torsional damper is assembled to the hub
with a rubber type material. The installation procedure (with proper tool) must be
followed or movement of the inertia weight on the hub will destroy the tuning of the
torsional damper.
1.
2.
Replace key in crankshaft if it is damaged.
Coat seal surface of torsional damper with engine oil.
NOTE: If a suitable torsional damper installer installation tool is not available, use a block
of wood as a driver. Be very careful not to cause pulley or weight to shift on their rubber
mounts.
3.
Install torsional damper on crankshaft, using torsional damper remover and installer as
follows:
a. Install appropriate end of threaded rod into crankshaft.
IMPORTANT: Be sure to install threaded rod in crankshaft at least 1/2 in. (13 mm) to
prevent damage to threads.
b. Install plate, thrust bearing, washer and nut on rod.
Index
90-861329--1
MARCH 1999
Page 3A-37
| 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