SERVICE MANUAL NUMBER 26
181 CID (3.0L) 4 CYLINDER GM ENGINE
Several different types of equipment are available for refacing valves. The recommendation
of the manufacturer of the equipment being used should be carefully followed to attain
proper results.
50695
Exhaust
Intake
a - .372 In. (9.45 mm)
b - 1/32 [.031] In. (0.79 mm) Min.
c - .341 In. (8.16 mm)
d - 1/32 [.031] In. (0.79 mm) Min.
Reassembly
1.
2.
3.
Lubricate valve guides and valve stems with engine oil.
Install each valve in the port from which it was removed or to which it was fitted.
Install valve guide seal (intake valve only) over valve stem and push down until seated
against head.
4.
5.
6.
Set valve spring (with damper installed) and cap in place.
Place retainer on intake valve and/or rotator on exhaust valve.
While compressing valve spring with valve spring compressor, install oil seal in lower
groove of valve stem, making sure seal is not twisted. A light coating of oil will help
prevent twisting.
a
72884
V6 Shown
a - Valve Spring Compressor (J-8062)
Index
90-861329--1
MARCH 1999
Page 3A-31
| 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