Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Relieve the fuel system pressure. Fuel Pressure Relief
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Windshield Wiper Arm (3) - Remove [2x]
1. Using the appropriate trim tool, remove the windshield wiper arm finish cap (1) from the windshield wiper arm (3).
2. Windshield Wiper Arm Nut (2) - Remove
3. Grasp the outer end of the windshield wiper arm (3) and gently rock the arm back and forth to remove it from the windshield wiper transmission pivot shaft.
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Air Inlet Grille Panel Extension (1) - Remove [2x]
1. Apply two layers of masking tape around the top edge of the service part to prevent paint damage.
2. Using a suitable plastic trim tool, carefully release the air inlet grille panel extension clips.
3. Remove the air inlet grille panel extension (1) from the air inlet grille panel and upper front fender.
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Front Compartment Side Sight Shield Retainer (1) - Remove [3x]
Front Compartment Side Sight Shield (2) - Remove
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Remove the 2 hood rear outer air inlet seal retainer (1) from the left and right side.
Remove the hood rear outer air inlet seal (2) from the left and right side.
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Air Inlet Grille Panel Retainer (1) - Remove [2x]
Air Inlet Grille Panel Extension (2) - Remove
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Air Inlet Grille Panel Retainer (1) - Remove [6x]
Air Inlet Grille Panel (2) - Remove
1. Disconnect the windshield washer nozzle hose from the windshield washer pump hose.
2. Lift the front edge of the air inlet grille panel (2) and slide the panel forward from both hood hinges to remove.
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Windshield Wiper System Module Shield (1) - Remove

NOTE:

To prevent erroneous DTC's, disconnect the battery negative cable before disconnecting the windshield wiper motor electrical connector.

Disconnect the battery negative cable. - Battery Negative Cable Disconnection and Connection
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Disconnect the windshield wiper motor electrical connector.
Windshield Wiper System Module Bolt (1) - Remove [2x]
Slide the windshield wiper system module (2) inboard to release the grommet from the plenum and remove the windshield wiper system module (2) from the vehicle.
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Air Inlet Deflector Water Deflector Retainer (1) - Remove [2x]
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Air Inlet Deflector Water Deflector (1) - Remove
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Plenum Front Panel Nut (1) - Remove [3x]
Plenum Front Panel Bolt (2) - Remove [3x]
Disconnect the electrical connector.
Pull the forward lamp wiring harness (3) out from the plenum front panel.
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Plenum Front Panel Bolt (1) - Remove [4x]
Plenum Front Panel Nut (2) - Remove [3x]
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Plenum Front Panel (1) - Remove
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NOTE:
This is a push nut.

Plenum Panel Nut (1) - Remove [9x]
Dash Panel Outer Upper Insulator (2) - Remove
Plenum Front Panel (3) - Remove
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Engine Rear Noise Shield Bolt (1) - Remove
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Engine Rear Noise Shield Bolt (1) - Remove [2x]
Retainer (2) - Unclip [3x]
Wiring Harness (3) - Reposition
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Fuel Pipe Shield (1) - Remove
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WARNING:
The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise cancelling foam component that has been exposed to engine fluids may result in an engine fire resulting in catastrophic engine damage, and possible injury or death.

Engine Rear Noise Shield (1) - Remove
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Fuel Feed Pipe (1) - Disconnect - Metal Collar Quick Connect Fitting Service
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Electrical Connector (1) @ Fuel Feed Pipe Bracket (2) - Unclip [2x]
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Fuel Feed Pipe Bolt (1) - Remove [2x]
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NOTE:
High pressure fuel feed pipes are one time use only. ALWAYS install a NEW high pressure fuel feed pipe if the pipe is removed OR the fittings are loosened.

Fuel Feed Pipe Fitting (1) - Loosen until disengaged
Fuel Feed Pipe (2) - Remove and DISCARD
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CAUTION:
Fuel feed intermediate pipes will be delivered with shipping caps that are meant to protect the mating joint threads. Do NOT remove shipping caps until the pipe is to be installed and joints are to be secured. Failure to do so could result in damage to the mating threads.

NOTE:
Do NOT reuse the fuel feed intermediate pipe. If the fuel feed intermediate pipe fittings are loosened or the pipes are removed, the pipes MUST be replaced.

Fuel Feed Intermediate Pipe Nut (1) @ Fuel Feed Intermediate Pipe (2) - Loosen until disengaged [3x]
Fuel Feed Intermediate Pipe (2) - Remove and DISCARD
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Electrical Connector (1) @ Fuel Pump (2) - Disconnect
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CAUTION:
Alternately loosen the fuel pump bolts one turn at a time until the pump is fully disengaged from fuel pump lifter follower. Trying to remove the pump bolts without even side-to-side loosening may result in pump plunger damage

Fuel Pump Bolt (1) - Remove [2x]

NOTE:

Ensure that during removal of the fuel pump that the valve lifter follower does NOT fall apart.

Fuel Pump (2) - Remove

NOTE:

The valve lifter follower MAY remain in the cylinder head bore after removing the fuel pump.
If the valve lifter follower does NOT pull out of the cylinder head bore with the fuel pump, then remove it afterwards.

Valve Lifter Follower (3) - Remove
Fuel Pump Bracket Gasket (4) - Remove and DISCARD
Fuel Pump Housing Seal (5) - Remove and DISCARD