TROUBLESHOOTING
SERVICE MANUAL NUMBER 28
Gear Housing Noise
Cause
Special Instructions
Disassemble, clean and inspect and
replace necessary components. (Refer
to SECTION 3B, 3C or 3D)
Metal particles in drive unit lubricant.
Inspect mounting hardware. Install
propeller correctly.
Propeller incorrectly installed.
Propeller shaft bent.
Inspect and replace if necessary.
(Refer to SECTION 3B, 3C or 3D)
Check gear housing backlash and
pinion gear height. (Refer to SECTION 3B,
3C or 3D)
Incorrect gear shimming.
Worn or damaged gears and/or
bearings caused by impact,
overheating or improper shimming.
Disassemble, inspect and replace. (Refer
to SECTION 3B, 3C or 3D)
Drive Shaft Housing Noise
Cause
Special Instructions
Determine cause for interference
(loose engine mounts, transom too
thin, etc.) and correct as necessary.
Engine flywheel housing contacting
inner transom plate or exhaust pipe.
Propeller with untrue or out-of-balance
blades.
Repair or replace, as required.
Instruct operator on proper operating
technique.
Abnormal sterndrive operation.
Make sure that proper thickness
retaining rings are used and that rings
are fully seated in u-joint bearing cap
grooves. (Refer to SECTION 3A)
U-joint cross and bearing assembly
retaining rings improperly installed or
of incorrect size.
Excessive side-to-side play in U-joint
cross and bearing assemblies.
Replace cross and bearing assembly.
Make sure proper cross and bearing
assemblies are used. If interference is
severe, replace cross and bearing
assembly and / or sleeve assembly.
U-joint bearing caps contacting U-joint
bellows retention sleeve.
Replace assemblies. Signs of scoring,
galling or roughness are the result of lack
of lubricant. (Refer to SECTION 3A)
U-joint cross and bearings rough.
O-rings missing or flattened out on
U-joint shaft causing shaft to rattle
against ID of gimbal bearing.
Install new o-rings. (Refer to SECTION
3A)
INDEX
Page 1C-4
90-863160 MAY 2000
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | MerCruiser Sterndrives 90-863160 |
| 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 |
(1 votes, average: 3 out of 3)
Marine readers have rated Mercury MerCruiser Bravo Outdrives Sterndrives Marine Engines Service Manual Number 28 3.0 out of 3.0 based on 1 product reviews. I could not find any mention of the seawater pump assembly.
Maybe I have the wrong unit