Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2006 Chevrolet Suburban K1500, 5.3 ZFACTORY OEM SERVICE PROCEDURE

Removal Procedure

Fig 1: View Of Electrical Connector Retainer

GM1341841

Courtesy of GENERAL MOTORS CORP.

Remove the fuel sending unit. Refer to Fuel Sender Assembly Replacement (4.8L and 5.3L Engines) or Fuel Sender Assembly Replacement (5.3L (L59) Engine) or Fuel Sender Assembly Replacement (6.0L Engine - Dual Tanks - Front) or Fuel Sender Assembly Replacement (6.0L Engine - Dual Tanks - Rear) .
Push in the retainer in order to disengage the electrical connector.

Fig 2: View Of Fuel Level Sensor Electrical Connector (4.8L & 5.3L)

GM1341843

Courtesy of GENERAL MOTORS CORP.

Remove the fuel level sensor electrical connector.

Fig 3: View Of Locking Tangs At Sending Unit Bucket

GM1332659

Courtesy of GENERAL MOTORS CORP.

Push the locking tangs (1) in towards the interior of the sending unit bucket.

Fig 4: View Of Fuel Level Sensor At Sending Unit Bucket (4.8L & 5.3L)

GM1341846

Courtesy of GENERAL MOTORS CORP.

Slide the fuel level sensor up and out from the sending unit bucket.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.

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