Removal Procedure

The fuel pressure regulator is an integral part of the fuel sender assembly and cannot be serviced separately. Replacement of the fuel sender assembly is required in order to replace the fuel pressure regulator.

1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
Fig 1: View Of Seat Bottom Cushion
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2. Remove the 2 fasteners (2) of the right side cushion (1) and swing the rear seat bottom cushion (1) up and out of the way.
3. Remove the sill plate from the right side door opening.
4. Fold back the carpet, in order to maintain metal-to-metal contact, while servicing the fuel sender assembly.
Fig 2: View Of Fuel Sender Electrical Connector
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5. Remove the 4 fasteners to the access panel (1) for the fuel sender assembly from the rear seat floor (3).
6. Lift the access panel (1) and disconnect the fuel sender electrical connector (2) from the fuel sender assembly.
Fig 3: View Of Fuel Line Fitting And Retaining Clip
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7. Remove the retaining clip (1) from the fuel line fitting (2).
Fig 4: View Of Fuel Sender Assembly And Fuel Line
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8. Disconnect the fuel line (1) from the fuel sender assembly.
Fig 5: View Of ORVR Vent Line And Lock Clasp
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9. Unlock the quick connect fitting of the on-board refueling vapor recovery (ORVR) vent line by sliding the lock clasp (1) to unlock position.
Fig 6: View Of ORVR Vent Line And Fuel Sender Assembly
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10. Disconnect the ORVR vent line (2) from the fuel sender assembly (1).
Fig 7: Loosening/Tightening Fuel Sender Assembly Lock Ring
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11. Use the CH-47717  (1) in order to loosen the fuel sender assembly lock ring. See Special Tools .
12. Clean the area around the fuel and vent lines and the fuel sender assembly in order to prevent possible fuel contamination during removal.
Fig 8: View Of Safety Latches And Stop
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13. Locate the 4 safety latches (1, 3) and the safety stop (2) on the fuel sender assembly lock ring.
14. While rotating the lock ring during removal, ensure that each safety latch is gently depressed in order to pass without engaging the safety stop.
Fig 9: View Of Fuel Sender, Lock Ring & Floor Panel Opening
Courtesy of GENERAL MOTORS CORP.
15. Remove the lock ring (1).
IMPORTANT: Do not spill residual fuel or damage the fuel level sensor float while rotating and tilting the sender assembly during removal.
16. Remove the fuel sender assembly (2) from the fuel tank.