QX4 2WD V6-3.5L (VQ35DE) (2003)
CAUTION:
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The quick connector can be removed when the tabs are completely depressed. Do not twist it more than necessary.
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Do not use any tools to remove the quick connector.
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Keep the resin tube away from heat. Be especially careful when welding near the tube.
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Prevent acid liquid such as battery electrolyte, etc. from getting on the resin tube.
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Do not bend or twist the tube during installation and removal.
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Only when the quick connector is replaced, remove the remaining retainer on the fuel level sensor unit. (Feed tube)
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When the fuel level sensor unit is replaced, also replace the retainer with a new one [Yellow colored retainer]. (Feed tube)
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Press fuel tube and fuel level sensor unit as shown in the figure. Disconnect the joint by pushing tab and pull out fuel tube. (Return tube)
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To keep the connecting portion clean and to avoid damage and foreign materials, cover them completely with plastic bags or something
similar.