SERVICE MANUAL NUMBER 30
Spark Plug Wires
CHECKING
IGNITION SYSTEM
1.
2.
3.
Inspect spark plug wires for damage, such as being cracked, cut or oil soaked.
Inspect spark plug boots for damage.
Check spark plug wires for continuity using a Multi-Meter, Digital/Volt/Ohm Meter, or
similar. Replace any plug wires that do not show continuity from end to end.
4.
Replace any damaged plug wires.
REPLACING
IMPORTANT: Use only spark plug wires recommended for Marine application.
NOTE: Replace one wire at a time to reduce the risk of error.
1.
Disconnect individual spark plug wires.
NOTE: Use care when removing spark plug wires from spark plugs. Twist the boot 1/2 turn
before removing. Firmly grasp and pull on the boot to remove the wire from the spark plug..
a
77587
Exhaust Manifold Removed For Visual Clarity
a - Spark Plug
2.
Install new spark plug wires in proper order.
IMPORTANT: Wire routing must be kept intact during service and followed exactly
when wires have been disconnected or when wire replacement is necessary. Failure
to route wires properly can lead to radio frequency interference, cross firing of the
plugs and/or shorting of leads to ground.
a. Position wires in spark plug wire supports and retainers.
b. Attach plug wires to appropriate spark plug and coil pack. Each end should fit
securely.
INDEX
90-863161
SEPTEMBER 2000
Page 4B-5
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 496 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 |
(2 votes, average: 4 out of 4)
Marine readers have rated Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30 4.0 out of 4.0 based on 2 product reviews. How many openings for crankcaseventilation is there on
Merc 496 HO ?
Great down load . it was all there an more