Buick Regal: Draining Fluids and Oil Filter Removal

1.

Remove the oil filter (1). Remove the oil pan drain plug and allow the oil to drain out.

2. Clean the oil filter housing in the engine block.

CAUTION: Refer to Fastener Caution.

3. Install the oil pan drain plug and tighten to 25 N.m (18 lb ft).

4. If cleaning or repairing the engine block, it is not necessary to reinstall the plug.

CRANKSHAFT BALANCER REMOVAL

Special Tools

• EN-38416-2 Crankshaft Button
• EN-41816 Crankshaft Balancer Remover
• EN-41816-2 Crankshaft End Protector
• EN - 51760 Flywheel Holding Tool

For equivalent regional tools, refer to Special Tools.

1.

To prevent crankshaft rotation, install EN-51760 holding tool (2) and starter motor bolts (1) at the starter motor location and engaging the flywheel.

2.

Remove and discard the crankshaft balancer bolt (1) and washer.

NOTE: When necessary, EN-38416-2 button can be used instead of EN-41816-2 protector.

3. Install EN-41816-2 protector (3) to protect the crankshaft end during balancer removal.

NOTE: EN-51577-1 remover (5) can be used alternatively for EN-41816 remover (4).

4. Using EN-41816 remover (4), remove the balancer (2).

5. Remove the special tools.

AUTOMATIC TRANSMISSION FLEX PLATE REMOVAL

Special Tools

EN-51760 Flywheel Holding Tool

For equivalent regional tools, refer to Special Tools.

1.

To prevent crankshaft rotation, install EN-51760 holding tool (2) and starter motor bolts (1) at the starter motor location and engaging the flywheel.

2.

Remove and discard the flywheel attaching bolts (1).

3. Remove the flywheel (2).

4. Remove EN 51760 holding tool.

INTAKE MANIFOLD REMOVAL

1.

CAUTION: Never attempt to remove the intake manifold from a hot engine, allow the engine to cool to ambient temperature. The intake manifold can be damaged if it is removed when the engine is hot.

Remove the EVAP canister valve (1).

2.

Remove the throttle body bolts (1).

3. Remove the throttle body (2) and seal (3).

4.

Remove the fuel pump cover bolts and cover.

5.

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.

Remove the fuel pump insulator (6).

WARNING: Fuel that flows out at high pressure can cause serious injury to the skin and eyes. ALWAYS depressurize the fuel system before removing components that are under high fuel pressure.

6. Remove and discard the fuel feed intermediate pipe (5).

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.

7. Remove and discard the fuel pump bolts.

8. Remove the fuel pump (4), O-ring (3), and gasket (2). Discard the O-ring and gasket.

9. Remove the valve lifter follower (1).

10.

Remove the MAP sensor (1) and bolt (2).

11.

Remove the intake manifold retaining bolts (2, 4).

12. Remove the intake manifold (3) and gasket (1).

13. If the intake manifold needs to be replaced, transfer the throttle body to the new intake manifold.

CAMSHAFT COVER AND COMPRESSOR AIR INTAKE TURBOCHARGER REMOVAL (2ND DESIGN TAMPER-PROOF PCV SYSTEM)

Turbocharger Component Removal

Turbocharger Component Removal

1. Turbocharger Heat Shield Bolt [3x]
   NOTE: In the event that a bolt breaks upon removal of components, perform an extraction of the broken bolt.
2. Turbocharger Heat Shield
3. Turbocharger Wastegate Actuator Arm Retainer
4. Turbocharger Wastegate Actuator Bolt [2x]
5. Turbocharger Wastegate Actuator
6. Turbocharger Coolant Return Pipe Bolt
   NOTE: One bolt retains the turbocharger coolant return pipe and the camshaft cover heat shield at the same location.
7. Turbocharger Coolant Return Pipe Bolt
8. Turbocharger Coolant Return Pipe
   Procedure
   Disconnect the turbocharger coolant return pipe from the air bleed hose.
9. Turbocharger Coolant Return Pipe Washer [2x]
   NOTE: Discard the washers.
10. Turbocharger Coolant Feed Pipe Bolt
11. Turbocharger Coolant Feed Pipe Bolt [2x]
12. Turbocharger Coolant Feed Pipe
    Procedure
    Disconnect the turbocharger coolant feed pipe hose from the engine oil cooler.
13. Turbocharger Coolant Feed Pipe Gasket
    NOTE: Discard the gasket.
14. Turbocharger Coolant Feed Pipe Washer [2x]
    NOTE: Discard the washers.
15. Turbocharger Wastegate Regulator Solenoid Valve Bolt
16. Turbocharger Wastegate Regulator Solenoid Valve
    Procedure
    Disconnect the turbocharger wastegate regulator solenoid valve hoses from the turbocharger.
17. Turbocharger Air Bypass Valve Solenoid Bolt [3x]
18. Turbocharger Air Bypass Valve Solenoid

Camshaft Cover Component Removal

Camshaft Cover Component Removal

1. Engine Coolant Air Bleed Pipe Bolt
2. Engine Coolant Air Bleed Pipe
3. Engine Coolant Air Bleed Pipe O-Ring
   NOTE: Inspect O-ring and discard if necessary.
4. Camshaft Cover Heat Shield Bolt [3x]
   NOTE: An additional bolt retains the camshaft cover heat shield and the turbocharger coolant return pipe.
5. Camshaft Cover Heat Shield
6. Oil Level Indicator
   NOTE: Inspect and replace the oil indicator O-ring seals, if necessary.
7. Engine Lift Rear Bracket Bolt [2x]
8. Engine Lift Rear Bracket
9. Engine Lift Front Bracket Bolt [2x]
10. Engine Lift Front Bracket
11. Ignition Coil Bolt [4x]
12. Ignition Coil [4x]
13. Camshaft Position Actuator Solenoid Valve Bolt
14. Camshaft Position Actuator Solenoid Valve - Intake
15. Camshaft Position Actuator Solenoid Valve Bolt
16. Camshaft Position Actuator Solenoid Valve - Exhaust
17. Vacuum Pump Bolt
18. Vacuum Pump Bolt [2x]
19. Vacuum Pump
20. Vacuum Pump Gasket
    NOTE: Discard the gasket.

Camshaft Cover and Turbocharger Removal

Camshaft Cover and Turbocharger Removal

1. Turbocharger Oil Feed Pipe Bolt [2x]
2. Turbocharger Oil Return Pipe Bolt [2x]
3. Turbocharger Nut [4x]
   NOTE: Discard the nuts.
4. Camshaft Cover Bolt [4x]
5. Camshaft Cover Bolt [17x]
6. Camshaft Cover & Positive Crankcase Ventilation Tube & Turbocharger
   NOTE: The tamper-proof positive crankcase ventilation system includes components that may be replaced if necessary. The system may include an outlet duct connected to the end of the Positive Crankcase Ventilation Tube. If any component is suspect, refer to the inspection procedures and individual replacement procedures before attempting to disassemble the PCV system. Be careful when moving the assembled components with tamper-proof fittings to avoid stress on the connections.

   NOTE: The assembly is removed with the oil return pipe and oil feed pipe attached at the turbocharger.
   Procedure

   1. The assistance of a second technician may be necessary to support and move the assembly during removal.
   2. Ensure a large enough clean area is prepared before removing the assembly.
   3. Refer to Camshaft Cover and Compressor Air Intake Turbocharger Cleaning and Inspection.
7. Camshaft Cover Gasket
   NOTE: Ensure all camshaft cover gaskets, including the inner gaskets, are removed and discarded.
8. Turbocharger Oil Feed Pipe Bolt
9. Turbocharger Oil Feed Pipe
10. Turbocharger Oil Feed Pipe Washer [2x]
    NOTE: Discard the washers.
11. Turbocharger Oil Feed Pipe Gasket
    NOTE: Discard the gasket.
12. Turbocharger Oil Return Pipe Bolt [2x]
13. Turbocharger Oil Return Pipe
14. Turbocharger Oil Return Pipe Gasket
    NOTE: Discard the gasket.
15. Turbocharger Oil Return Pipe Gasket
    NOTE: Discard the gasket.

READ NEXT: