How to remove and install a manual or automatic transmission flywheel for Buick Century and Regal?

To remove the manual transmission, one should matchmark the clutch cover and flywheel for reinstallation. Removing the flywheel involves unscrewing the bolts which are spaced unevenly. To replace a ring gear, bore a hole between two teeth and then split it using a cold chisel. To install a new gear, first polish areas on the ring, heat it until the polished spots turn blue, and place it on the flywheel shoulder. Subsequently, allow ring to cool and collapse back into place. The flywheel must be free of burrs as well as crankshaft flange before installation of flywheel commences. For automatic transmission removal, first detach the transmission and then remove six bolts that attach flywheel to crankshaft flange. In this regard, while inspecting a flywheel for cracks, wear or broken teeth also check for burrs on crankshaft flange and flywheel). Install the flywheel in its correct position with irregularly spaced bolt holes; thereafter torque bolts to specification. Check runout on the face of the flywheel using dial indicator; high side should be tapped with a mallet if necessary. If runout is beyond limit, remove the wheel again checking for burrs between it and crankshaft mounting flange.

Genuine Buick Century Flywheel

Clutch Flywheel

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Buick Century Flywheel Assembly
Part Number: 12579453
$94.30 MSRP: $164.11
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Product Specifications
- Other Name: Flywheel Asm; Drive Plate, Flywheel
- Replaces: 24506847, 10218513, 24576876
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-2005 Buick Century | CUSTOM, CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, GL, GLX, GS, LIMITED, LIMITED 4 DOOR, LS, REGAL, SPECIAL, SPECIAL 4 DOOR, SPECIAL STATION WAGON | 4 Cyl 2.2L, 6 Cyl 3.1L
- 1987-1989 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 2.8L
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Buick Century Flywheel Assembly (Includes Ring Gear)
Part Number: 24501986
$95.23 MSRP: $182.37
You Save: $87.14 (48%)
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Product Specifications
- Other Name: Flywheel Asm (Includes Ring Gear)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR, SPECIAL 4 DOOR | 6 Cyl 3.3L
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Buick Century Disk
Part Number: 22520094
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1985 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 4.3L Diesel
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Buick Century Engine Crankshaft FLYWHEEL
Part Number: 25512172
Product Specifications
- Other Name: Flywheel, Engine Crankshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1985 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 3.0L
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Buick Century Engine Crankshaft FLYWHEEL
Part Number: 14085471
Product Specifications
- Other Name: Flywheel, Engine Crankshaft; Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1986 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 2.8L
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Buick Century Automatic Transaxle, Flexplate Drive Plate
Part Number: 25535388
Product Specifications
- Other Name: Flywheel & Ring Gear Assembly, Auto; Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1990 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR | 6 Cyl 3.3L
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Buick Century Engine Crankshaft FLYWHEEL
Part Number: 25515222
Product Specifications
- Other Name: Gear Assembly, Flywheel & Ring ; Flywheel, Engine Crankshaft; Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1988 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR | 6 Cyl 3.8L
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Buick Century Flywheel Assembly
Part Number: 24502775
Product Specifications
- Other Name: Flywheel Asm; Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR, SPECIAL 4 DOOR, SPECIAL STATION WAGON | 6 Cyl 3.3L
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Buick Century Automatic Transmission Flexplate
Part Number: 24501453
Product Specifications
- Other Name: Flywheel Asm; Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1992 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR, SPECIAL 4 DOOR | 6 Cyl 3.3L
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Buick Century Automatic Transmission Flexplate
Part Number: 10044361
Product Specifications
- Other Name: Flywheel Asm; Drive Plate, Flywheel
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1992 Buick Century | CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, SPECIAL 4 DOOR | 4 Cyl 2.5L

Buick Century Flywheel Parts Questions & Experts Answers

Flywheel Assembly
12579453
Q: How to remove and install a manual or automatic transmission flywheel for Buick Century and Regal?
A: To remove the manual transmission, one should matchmark the clutch cover and flywheel for reinstallation. Removing the flywheel involves unscrewing the bolts which are spaced unevenly. To replace a ring gear, bore a hole between two teeth and then split it using a cold chisel. To install a new gear, first polish areas on the ring, heat it until the polished spots turn blue, and place it on the flywheel shoulder. Subsequently, allow ring to cool and collapse back into place. The flywheel must be free of burrs as well as crankshaft flange before installation of flywheel commences. For automatic transmission removal, first detach the transmission and then remove six bolts that attach flywheel to crankshaft flange. In this regard, while inspecting a flywheel for cracks, wear or broken teeth also check for burrs on crankshaft flange and flywheel). Install the flywheel in its correct position with irregularly spaced bolt holes; thereafter torque bolts to specification. Check runout on the face of the flywheel using dial indicator; high side should be tapped with a mallet if necessary. If runout is beyond limit, remove the wheel again checking for burrs between it and crankshaft mounting flange.