Kia Optima: Fuel Filler Cap. Description and Operation - Evaporative Emission Control 
		System - Emission Control System - Kia Optima TF 2011-2026 Service ManualKia Optima: Fuel Filler Cap. Description and Operation

Description

A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler cap and the filler neck flange contact each other, the ratchet produces a loud clicking noise indicating the seal has been set.


Installation
Installation is the reverse of removal. Canister installation bolt:3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft) ...

Fuel Tank Air Filter. Repair procedures
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See also:

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1. Measure the pressure of high pressure line by measuring voltage output between NO.1 and NO.2 terminals. 2. Inspect the voltage value whether it is sufficie ...

Tire rotation
To equalize tread wear, it is recommended that the tires be rotated every 12,000 km (7,500 miles) or sooner if irregular wear develops. During rotation, check the tires for correct balance. ...

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