2009 Chevrolet Trailblazer Fuel Level Sensor

First, you need to remove the fuel sender assembly and push down the fuel level sensor pigtail electrical connector retainer and remove the connector from the module cover. Then, please remove the fuel level sensor pigtail wires from behind the retainer on the bucket. Finally, you should push in the fuel level sensor retainer on the bucket and slide down the fuel level sensor and remove the sensor from the bucket.

First, you need to position the fuel level sensor on the bucket and slide the fuel level sensor up into position. Then, please ensure that the fuel level sensor is fully engaged by the retainer on the bucket, and install the fuel level sensor pigtail wires behind the retainer on the bucket. Finally, you should connect the fuel level sensor pigtail electrical connector to the module cover and ensure that the retainer is fully engaged, and install the fuel sender assembly.

First, you need to remove the fuel tank and unlock the fuel sender lock ring. Then, please remove the fuel sender assembly and the seal, clean the fuel sender sealing surfaces, place the lock ring on a flat surface, and measure the clearance between to lock ring and the flat surface using a feeler gage at 7 points. If the warpage is greater than 0.41 mm (0.016 in), the lock ring must be replaced.

First, you need to install the new seal on the fuel tank and install the fuel sender assembly into the fuel tank. Then, please install the fuel sender lock ring. Finally, you should install the fuel tank.