TROUBLESHOOTING
SERVICE MANUAL NUMBER 26
Excessive Oil Consumption
NOTE: Normal consumption is one quart of oil consumed in 5-15 hours of operation at wide-
open-throttle (especially in a new or rebuilt engine).
Cause
Special Information
Clean bilge, run engine with clean white
paper on bilge floor, locate oil leak(s)
Oil leaks
Oil too thin
Oil diluted or wrong viscosity
Oil level too high
Drain holes in cylinder head plugged
Defective valve seals
Oil will flood valve guides
Intake manifold gasket leaking
Worn valve stems or valve guides
Defective oil cooler (if so equipped)
Crack in cooler tubes
Glazed, scuffed, worn, stuck, improperly
installed; ring grooves worn; improper
break-in; wrong end gap
Defective piston rings
Out of round, scored, tapered, glazed;
excessive piston to cylinder clearance;
cracked piston
Defective cylinders
Excessive bearing clearance
Index
Page 1C-28
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