subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Spark Plug|Removal and Installation|Page 2493 > < Ignition System - Spark Plug Replacement Intervals|Page 2490
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Spark Plug: Service and Repair
Removal and Installation

CAUTION:  All spark plugs installed on an engine, must be of the same heat range.

Spark plug:

CHAMPION: RC10YC4 
(Alternate)
CHAMPION: RC8YC4

NGK: BKR6E-11
NIPPONDENSO: K20PR-U11

1. #1 SPARK PLUG

1. Disconnect battery ground cable.
2. Remove air intake duct and resonator chamber.

1. Remove bolt which installs air intake duct on the front side of body.

2. Remove bolt which installs air intake duct

Spark Plug|Removal and Installation|Page 2493 > < Ignition System - Spark Plug Replacement Intervals|Page 2490