Crankshaft Balancer Removal Buick Century VI

Tools Required

J 24420-C Harmonic Balancer Puller. See Special Tools and Equipment .

Scheme 226

Scheme 227

1. Remove the crankshaft balancer retaining bolt and washer.
2. Remove the crankshaft balancer using the J 24420-C .

Scheme 228

1. Remove the flywheel bolts.
2. Remove the flywheel retainer.
3. Remove the flywheel.

Scheme 229

1. Remove the drive belt tensioner bolt.
2. Remove the drive belt tensioner.

Scheme 230

1. Remove the generator bracket bolts (1-4).
2. Remove the generator bracket.
3. Remove the front engine lift bracket.

Scheme 231

Scheme 232

1. Remove the thermostat bypass pipe to throttle body nut (2).
2. Remove the thermostat bypass pipe to throttle body hose clamps (1).
3. Remove the thermostat bypass pipe to engine front cover bolt (4).
4. Remove the thermostat bypass pipe hose clamp (5) and hose from pipe.
5. Remove the thermostat bypass pipe (3).
6. Remove the oil level indicator tube bolt.
7. Remove the oil level indicator and oil level indicator tube.

Scheme 233

1. Remove the oil filter bypass hole plug. IMPORTANT: Do not remove the oil filter fitting unless replacement or repair is needed.
2. Remove the oil filter fitting, if necessary.
3. Remove the oil filter bypass valve, by prying out with a suitable tool.

Scheme 234

Scheme 235

1. Remove the spark plug wires.
2. Remove the spark plugs.
3. Remove the exhaust manifold heat shield bolts.
4. Remove the exhaust manifold heat shield.
5. Remove the exhaust manifold nuts.
6. Remove the exhaust manifold.
7. Remove the exhaust manifold gasket.
8. Remove the exhaust studs, if required.

Scheme 236

Scheme 237

Scheme 238

1. Remove the spark plug wires.
2. Remove the spark plugs.
3. Remove the EGR pipe from the exhaust manifold.
4. Remove the heated oxygen sensor.
5. Remove the exhaust manifold heat shield bolts.
6. Remove the exhaust manifold heat shields.
7. Remove the exhaust manifold nuts.
8. Remove the exhaust manifold.
9. Remove the exhaust manifold gasket.
10. Remove the exhaust studs, if required.

Scheme 239

Scheme 240

1. Remove the water outlet bolts.
2. Remove the water outlet.
3. Remove the thermostat.

Scheme 241

1. Remove the valve rocker arm cover bolts. IMPORTANT: When removing the valve rocker arm cover make sure the gasket stays in place attached to the cylinder head.
2. Remove the valve rocker arm cover and gasket.
3. Cut the RTV in the channel where the intake, cylinder head and valve rocker arm cover meet with a suitable tool.
4. Remove the valve rocker arm cover.
5. Cut the RTV in the channel where the intake, cylinder head and valve rocker arm cover meet, with suitable tool.
6. Remove the valve rocker arm cover gasket.

Scheme 242

Scheme 243

1. Remove the electronic ignition control module nuts and bolts.
2. Remove the electronic ignition control module.
3. Remove the electronic ignition control module studs.
4. Remove the valve rocker arm cover bolts. IMPORTANT: When removing the valve rocker arm cover make sure the gasket stays in place attached to the cylinder head.
5. Remove the valve rocker arm cover.
6. Cut the RTV in the channel where the intake, cylinder head and valve rocker arm cover meet with a suitable tool.
7. Remove the valve rocker arm cover gasket.

Scheme 244

Scheme 245

Scheme 246

Scheme 247

Scheme 248

1. Remove the MAP sensor electrical connector.
2. Remove the MAP sensor bolts.
3. Remove the MAP sensor from bracket.
4. Remove the MAP sensor bracket and bracket bolt.
5. Remove the EGR valve pipe and bolt from the EGR valve.
6. Remove the EGR valve bolts.
7. Remove the EGR valve and gasket.
8. Remove the vacuum harness assembly.
9. Remove the accelerator cable bracket and bracket bolts.
10. Remove the purge valve bracket bolt, hose and valve assembly.
11. Remove the throttle body bolts.
12. Remove the throttle body and gasket.
13. Remove the upper intake manifold bolts.
14. Remove the upper intake manifold and gaskets.

Scheme 249

Scheme 250

Scheme 251

Scheme 252

1. Remove the fuel feed and return pipe retaining clip bolt.
2. Remove the fuel feed and return pipe retaining clip.
3. Remove the fuel injector rail bolts.
4. Remove the fuel injector rail assembly.
5. Remove the heater inlet pipe nut.
6. Remove the heater inlet pipe.
7. Remove the lower intake manifold bolts.
8. Remove the lower intake manifold.

Scheme 253

Scheme 254

Scheme 255

1. Remove the valve rocker arm bolts. IMPORTANT: Place the valve train components in a rack in order to ensure that the components are installed in the same location from which they were removed.
2. Remove the valve rocker arms.
3. Remove the push rods. The intake push rods measure 146 mm (5.75 in). The exhaust push rods measure 152.51 mm (6.0 in).
4. Remove the intake manifold gaskets.

Scheme 256

1. Remove the valve lifter guide bolts.
2. Remove the valve lifter guides. IMPORTANT: Once removed, place the valve lifters in an organized order so the valve lifters can be installed into the original locations.
3. Remove the valve lifters.

Scheme 257

Scheme 258

1. Remove the water pump pulley bolts.
2. Remove the water pump pulley.
3. Remove the water pump bolts.
4. Remove the water pump.
5. Remove the water pump gasket.

Scheme 259

Scheme 260

1. Remove the cylinder head bolts.
2. Remove the cylinder head.
3. Remove the cylinder head gasket.
4. Remove the dowel pins - cylinder head locator, if required.

Scheme 261

Scheme 262

1. Remove the cylinder head bolts.
2. Remove the cylinder head.
3. Remove the cylinder head gasket.
4. Remove the dowel pins - cylinder head locator, if required.

Scheme 263

1. Remove the oil level pressure sensor and sensor bolt.
2. Remove the oil pan side bolts.
3. Remove the oil pan bolts.
4. Remove the oil pan.
5. Remove the oil pan gasket.

Scheme 264

Scheme 265

1. Remove the oil pump bolt.
2. Remove the oil pump and oil pump drive shaft.
3. Remove the crankshaft oil deflector nuts.
4. Remove the crankshaft oil deflector.

Scheme 266

1. Remove the oil pump drive clamp bolt.
2. Remove the oil pump drive clamp.
3. Remove the oil pump drive.