If they appear damaged or deteriorated, replace them.

Balancer Adjustment
Torque LimiterAir Cleaner Housing Removal
Remove the fuel tank (see Fuel Tank Removal).
Disconnect the secondary fuel hose [A] from the delivery
pipe of the nozzle assy [B] (see Fuel Hose Replacement
in the Periodic Maintenance chapter).
Disconnect the secondary fuel injector connectors [C].
Free the lead from the grooves [D].
...
CAL and SEA-B1 Models
1. Green Hose (Purge)
2. Clamp (hold the white hose.)
3. Canister
4. White Hose (Vacuum)
5. Blue Hose (Breather)
6. Red Hose (Return)
7. Separator
8. Quick Rivet
9. Face the hook portion of the bracket to inside of the vehicle.
10. Clamp (Bend down the clamp, and hold the blue hose, the ...
Intake Air Temperature Sensor Removal
NOTICE
Never drop the intake air temperature sensor especially
on a hard surface. Such a shock to the sensor
can damage it.
Remove the fuel tank (see Fuel Tank Removal in the Fuel
System (DFI) chapter).
Disconnect the connector [A] from the intake air temperature
sensor.
Remove the da ...