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
- Turbocharger Heat Shield Bolt [3x]
NOTE:
In the event that a bolt breaks upon removal of components, perform an
extraction of the broken bolt.
- Turbocharger Heat Shield
- Turbocharger Wastegate Actuator Arm Retainer
- Turbocharger Wastegate Actuator Bolt [2x]
- Turbocharger Wastegate Actuator
- Turbocharger Coolant Return Pipe Bolt
NOTE:
One bolt retains the turbocharger coolant return pipe and the camshaft cover
heat shield at the same location.
- Turbocharger Coolant Return Pipe Bolt
- Turbocharger Coolant Return Pipe
Procedure
Disconnect the turbocharger coolant return pipe from the air bleed hose.
- Turbocharger Coolant Return Pipe Washer [2x]
NOTE:
Discard the washers.
- Turbocharger Coolant Feed Pipe Bolt
- Turbocharger Coolant Feed Pipe Bolt [2x]
- Turbocharger Coolant Feed Pipe
Procedure
Disconnect the turbocharger coolant feed pipe hose from the engine oil
cooler.
- Turbocharger Coolant Feed Pipe Gasket
NOTE:
Discard the gasket.
- Turbocharger Coolant Feed Pipe Washer [2x]
NOTE:
Discard the washers.
- Turbocharger Wastegate Regulator Solenoid Valve Bolt
- Turbocharger Wastegate Regulator Solenoid Valve
Procedure
Disconnect the turbocharger wastegate regulator solenoid valve hoses
from the turbocharger.
- Turbocharger Air Bypass Valve Solenoid Bolt [3x]
- Turbocharger Air Bypass Valve Solenoid
Camshaft Cover Component Removal
Camshaft Cover Component Removal
- Engine Coolant Air Bleed Pipe Bolt
- Engine Coolant Air Bleed Pipe
- Engine Coolant Air Bleed Pipe O-Ring
NOTE:
Inspect O-ring and discard if necessary.
- Camshaft Cover Heat Shield Bolt [3x]
NOTE:
An additional bolt retains the camshaft cover heat shield and the
turbocharger
coolant return pipe.
- Camshaft Cover Heat Shield
- Oil Level Indicator
NOTE:
Inspect and replace the oil indicator O-ring seals, if necessary.
- Engine Lift Rear Bracket Bolt [2x]
- Engine Lift Rear Bracket
- Engine Lift Front Bracket Bolt [2x]
- Engine Lift Front Bracket
- Ignition Coil Bolt [4x]
- Ignition Coil [4x]
- Camshaft Position Actuator Solenoid Valve Bolt
- Camshaft Position Actuator Solenoid Valve - Intake
- Camshaft Position Actuator Solenoid Valve Bolt
- Camshaft Position Actuator Solenoid Valve - Exhaust
- Vacuum Pump Bolt
- Vacuum Pump Bolt [2x]
- Vacuum Pump
- Vacuum Pump Gasket
NOTE:
Discard the gasket.
Camshaft Cover and Turbocharger Removal
Camshaft Cover and Turbocharger Removal
- Turbocharger Oil Feed Pipe Bolt [2x]
- Turbocharger Oil Return Pipe Bolt [2x]
- Turbocharger Nut [4x]
NOTE:
Discard the nuts.
- Camshaft Cover Bolt [4x]
- Camshaft Cover Bolt [17x]
- 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
- The assistance of a second technician may be necessary to support
and move the assembly
during removal.
- Ensure a large enough clean area is prepared before removing the
assembly.
- Refer to Camshaft Cover and Compressor Air Intake Turbocharger
Cleaning and
Inspection.
- Camshaft Cover Gasket
NOTE:
Ensure all camshaft cover gaskets, including the inner gaskets, are removed
and discarded.
- Turbocharger Oil Feed Pipe Bolt
- Turbocharger Oil Feed Pipe
- Turbocharger Oil Feed Pipe Washer [2x]
NOTE:
Discard the washers.
- Turbocharger Oil Feed Pipe Gasket
NOTE:
Discard the gasket.
- Turbocharger Oil Return Pipe Bolt [2x]
- Turbocharger Oil Return Pipe
- Turbocharger Oil Return Pipe Gasket
NOTE:
Discard the gasket.
- Turbocharger Oil Return Pipe Gasket
NOTE:
Discard the gasket.
READ NEXT:
1.
NOTE: In the event that a bolt breaks upon removal of components,
perform an
extraction of the broken bolt.
Remove the turbocharger heat shield bolts (1, 3).
2. Remove the turbocharger heat shiel
1.
Remove the accessory drive belt tensioner bolt (1).
2. Remove the accessory drive belt tensioner (2).
3.
Remove the engine front cover bolts (2 - 7, 9).
4. Discard bolts 3, 5, and 6.
5. Remov
Special Tools
EN 38188 Cylinder Head Broken Bolt Extractor Kit - or equivalent aftermarket
tool
For equivalent regional tools, refer to Special Tools.
1.
Remove and discard the cylinder head bolts (
SEE MORE:
Valve Measurement and Reconditioning Overview
Proper valve service is critical to engine performance. Therefore, all
detailed measurement procedures must be
followed to identify components that are out of specification.
If the measurement procedures reveal that the valve or valve seat must
b
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Diagnostic
System Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy Based
Diagnosis
An overview of each diagnostic category can be found here: Diagnostic
Procedu