2-26 PERIODIC MAINTENANCE
Maintenance Procedure
CAUTION
Be sure to remeasure the clearance after selecting
a shim. The clearance can be out of the specified
range because of the shim tolerance.
○
If there is no valve clearance, use a shim that is a few
sizes smaller, and remeasure the valve clearance.
•
When installing the shim, face the marked side toward the
valve lifter. At this time, apply engine oil to the shim or
the valve lifter to keep the shim in place during camshaft
installation.
CAUTION
Do not put shim stock under the shim. This may
cause the shim to pop out at high rpm, causing ex-
tensive engine damage.
Do not grind the shim. This may cause it to fracture,
causing extensive engine damage.
•
Apply engine oil to the valve lifter surface and install the
lifter.
•
Install the camshafts (see Camshaft Installation in the En-
gine Top End chapter).
•
Recheck the valve clearance and readjust if necessary.
•
Install the removed parts (see appropriate chapters).
Air Suction System
Air Suction System Damage Inspection
•
Remove:
Fuel Tank (see Fuel Tank Removal in the Fuel System
(DFI) chapter)
Air Cleaner Housing (see Air Cleaner Housing Removal
in the Fuel System (DFI) chapter)
•
Pull the air switching valve hose [A] out of the air cleaner
housing holder.
•
Connect the following parts temporary.
Fuel Pump Lead Connector [A]
Extension Tube [B]
Special Tool - Extension Tube: 57001-1578
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