How do you properly remove and reinstall a driveplate in 2.5L four cylinder engine on Pontiac Grand Prix?

Raise the vehicle and support it securely on jackstands, then remove the transaxle. If there's a leak, it's an ideal time to replace the front pump seal and O-ring for automatic transaxles. In the absence of a dowel pin, mark the driveplate and crankshaft to ensure correct alignment during reinstallation, as most driveplates have locating dowels. Remove the bolts securing the driveplate to the crankshaft, using a large screwdriver to prevent the driveplate from turning. If the crankshaft turns, wedge a screwdriver through the openings in the driveplate, and support the driveplate while removing the last bolt. After removing the driveplate, clean it to eliminate grease and oil, inspecting for cracks and damaged ring gear teeth, and check for warpage using a straightedge. Clean and inspect the mating surfaces of the driveplate and crankshaft, replacing the crankshaft rear seal if it's leaking before reinstalling the driveplate. Position the driveplate against the crankshaft, aligning the dowel or marks made during removal, and apply thread locking compound to the bolt threads before installation. Prevent the driveplate from turning while tightening the bolts to the specified torque, and complete the installation by reversing the removal procedure.

Genuine Pontiac Grand Prix Flywheel

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Pontiac Grand Prix Flywheel Assembly
Part Number: 12579453
$119.38 MSRP: $164.11
You Save: $44.73 (28%)
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Product Specifications
- Other Name: Flywheel Asm; Drive Plate, Flywheel
- Replaces: 10218513, 24576876, 24506847
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2003 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, GT 4 DOOR, GTP 2 DOOR, GTP 4 DOOR, LE 2 DOOR, LE 4 DOOR, SE 2 DOOR, SE 4 DOOR, STE 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.1L, 6 Cyl 3.4L
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Pontiac Grand Prix Engine Crankshaft FLYWHEEL
Part Number: 10118669
$287.17 MSRP: $428.19
You Save: $141.02 (33%)
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Product Specifications
- Other Name: Flywheel,Engine ; Flywheel, Engine Crankshaft; Flywheel
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1990 Pontiac Grand Prix | 2 DOOR, 4 DOOR, LE 2 DOOR, SE 2 DOOR, STE 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.1L
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Pontiac Grand Prix Engine Crankshaft FLYWHEEL
Part Number: 14088765
$120.71 MSRP: $210.09
You Save: $89.38 (43%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Flywheel, Engine Crankshaft; Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1987 Pontiac Grand Prix | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, LE 2 DOOR | 6 Cyl 4.3L, 8 Cyl 5.0L
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Pontiac Grand Prix Engine Crankshaft FLYWHEEL
Part Number: 24575970
$84.70 MSRP: $170.81
You Save: $86.11 (51%)
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Product Specifications
- Other Name: Flywheel Asm ; Flywheel, Engine Crankshaft; Drive Plate, Flywheel
- Replaces: 22533252, 12360472, 24571116
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1991 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, LE 2 DOOR, SE 2 DOOR, SE 4 DOOR, STE 4 DOOR | 4 Cyl 2.3L
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Pontiac Grand Prix Engine Crankshaft FLYWHEEL
Part Number: 471529
$137.52 MSRP: $166.69
You Save: $29.17 (18%)
ADD TO CART
Product Specifications
- Other Name: Flywheel, Engine Crankshaft; Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1987 Pontiac Grand Prix | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, LE 2 DOOR, STATION WAGON | 8 Cyl 5.0L
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Pontiac Grand Prix Engine Crankshaft FLYWHEEL
Part Number: 12609155
$52.23 MSRP: $82.19
You Save: $29.96 (37%)
Product Specifications
- Other Name: Flywheel Asm ; Flywheel, Engine Crankshaft; Drive Plate, Flywheel
- Replaces: 24508110, 24505212
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2008 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, GT 4 DOOR, GT2 4 DOOR, GTP 2 DOOR, GTP 4 DOOR, GXP 4 DOOR, SE 4 DOOR | 6 Cyl 3.8L
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Pontiac Grand Prix Automatic Transmission Flexible Plate Assembly
Part Number: 12568922
Product Specifications
- Other Name: Plate Assembly, Automatic Transmission Flexible ; Plate, Engine Crankshaft; Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2008 Pontiac Grand Prix | 4 DOOR, GT 4 DOOR, GT2 4 DOOR, GTP 4 DOOR, GXP 4 DOOR | 8 Cyl 5.3L
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Pontiac Grand Prix Engine Crankshaft FLYWHEEL
Part Number: 12609154
Product Specifications
- Other Name: Flywheel Asm ; Flywheel, Engine Crankshaft; Drive Plate, Flywheel
- Replaces: 24506809
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2007 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, GT 4 DOOR, GT2 4 DOOR, GTP 2 DOOR, GTP 4 DOOR, GXP 4 DOOR, SE 4 DOOR | 6 Cyl 3.8L
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Pontiac Grand Prix Engine Crankshaft FLYWHEEL
Part Number: 10162024
Product Specifications
- Other Name: Flywheel Asm ; Flywheel, Engine Crankshaft; Flywheel
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 Pontiac Grand Prix | 2 DOOR, 4 DOOR, GT 2 DOOR, LE 2 DOOR, LE 4 DOOR, SE 2 DOOR, SE 4 DOOR, STE 4 DOOR | 6 Cyl 3.4L
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Pontiac Grand Prix Flywheel & Ring Gear Assembly
Part Number: 25512348
Product Specifications
- Other Name: Gear Assembly, Flywheel & Ring Gear; Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1987 Pontiac Grand Prix | 2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, LE 2 DOOR, STATION WAGON | 6 Cyl 3.8L, 6 Cyl 4.1L
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Pontiac Grand Prix Flywheel
Part Number: 22500808
Product Specifications
- Other Name: Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1982-1983 Pontiac Grand Prix | 2 DOOR, 4 DOOR, STATION WAGON | 8 Cyl 5.7L Diesel

Pontiac Grand Prix Flywheel

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Pontiac Grand Prix Flywheel Parts Questions & Experts Answers

Flywheel Assembly
12579453
Q: How do you properly remove and reinstall a driveplate in 2.5L four cylinder engine on Pontiac Grand Prix?
A: Raise the vehicle and support it securely on jackstands, then remove the transaxle. If there's a leak, it's an ideal time to replace the front pump seal and O-ring for automatic transaxles. In the absence of a dowel pin, mark the driveplate and crankshaft to ensure correct alignment during reinstallation, as most driveplates have locating dowels. Remove the bolts securing the driveplate to the crankshaft, using a large screwdriver to prevent the driveplate from turning. If the crankshaft turns, wedge a screwdriver through the openings in the driveplate, and support the driveplate while removing the last bolt. After removing the driveplate, clean it to eliminate grease and oil, inspecting for cracks and damaged ring gear teeth, and check for warpage using a straightedge. Clean and inspect the mating surfaces of the driveplate and crankshaft, replacing the crankshaft rear seal if it's leaking before reinstalling the driveplate. Position the driveplate against the crankshaft, aligning the dowel or marks made during removal, and apply thread locking compound to the bolt threads before installation. Prevent the driveplate from turning while tightening the bolts to the specified torque, and complete the installation by reversing the removal procedure.