How do you remove and reinstall a driveplate on a Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?

Raise the vehicle and support it securely on jack stands, then remove the transmission. Mark the relationship between the driveplate and the crankshaft with a marker or similar device, then remove the bolts that secure the driveplate to the crankshaft. If the crankshaft turns, wedge a screwdriver in the ring gear teeth to jam the driveplate. Remove the driveplate from the crankshaft. Since the driveplate is fairly heavy, be sure to support it while removing the last bolt. Clean the driveplate to remove grease and oil. Inspect the surface for cracks, and check for cracked and broken ring gear teeth. Lay the driveplate on a flat surface to check for warpage. Clean and inspect the mating surfaces of the driveplate and the crankshaft. If the rear main oil seal is leaking, replace it before reinstalling the driveplate. Position the driveplate against the crankshaft. Be sure to align the marks made during removal. Note that some engines have an alignment dowel or staggered bolt holes to ensure correct installation. Before installing the bolts, apply thread locking compound to the threads and place the retaining ring (if equipped) in position on the driveplate. Wedge a screwdriver through the ring gear teeth to keep the driveplate from turning as you tighten the bolts to the torque specifications. If the transmission front pump seal/o-ring is leaking, now would be a very good time to replace it. The remainder of installation is the reverse of removal.

Genuine Chevrolet Avalanche Flywheel

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Chevrolet Avalanche Automatic Transmission Flexible Plate Assembly
Part Number: 12654640
$124.19 MSRP: $216.13
You Save: $91.94 (43%)
ADD TO CART
Product Specifications
- Other Name: Plate Assembly, Automatic Transmission Flexible ; Plate, Engine Crankshaft; Drive Plate, Flywheel
- Replaces: 12553054, 12602448, 12606620, 12637677, 12563136, 12580709
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2013 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
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Chevrolet Avalanche Engine Crankshaft FLYWHEEL
Part Number: 19260102
$81.59 MSRP: $142.02
You Save: $60.43 (43%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Flywheel,Engine ; Flywheel, Engine Crankshaft; Drive Plate
- Replaces: 12621399, 12621400, 12551367
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005 Chevrolet Avalanche | 1/2 TON
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Chevrolet Avalanche Engine Crankshaft FLYWHEEL
Part Number: 12561680
$369.30 MSRP: $583.70
You Save: $214.40 (37%)
ADD TO CART
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:
- 2005 Chevrolet Avalanche | 1/2 TON
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Chevrolet Avalanche Engine Crankshaft FLYWHEEL
Part Number: 12561217
$376.52 MSRP: $595.10
You Save: $218.58 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Flywheel Asm ; Flywheel, Engine Crankshaft; Drive Plate
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2006 Chevrolet Avalanche | 3/4 TON | 8 Cyl 8.1L
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Chevrolet Avalanche Engine Crankshaft FLYWHEEL
Part Number: 12557585
$421.38 MSRP: $605.96
You Save: $184.58 (31%)
Ships in 1-2 Business Days
ADD TO CART
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:
- 2005 Chevrolet Avalanche | 1/2 TON
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Chevrolet Avalanche Engine Crankshaft FLYWHEEL
Part Number: 12582964
$197.10 MSRP: $311.40
You Save: $114.30 (37%)
Ships in 1-3 Business Days
ADD TO CART
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:
- 2002-2005 Chevrolet Avalanche | 3/4 TON | 8 Cyl 8.1L
View related parts
Chevrolet Avalanche Automatic Transmission Flexible Plate Assembly
Part Number: 19117204
Product Specifications
- Other Name: Plate Asm,Automatic Transmission Flexible ; Plate, Engine Crankshaft; Drive Plate, Rotor Plate
- Replaces: 12569647
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L

Chevrolet Avalanche Flywheel

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Chevrolet Avalanche Flywheel Parts Questions & Experts Answers

Automatic Transmission Flexible Plate Assembly
12654640
Q: How do you remove and reinstall a driveplate on a Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: Raise the vehicle and support it securely on jack stands, then remove the transmission. Mark the relationship between the driveplate and the crankshaft with a marker or similar device, then remove the bolts that secure the driveplate to the crankshaft. If the crankshaft turns, wedge a screwdriver in the ring gear teeth to jam the driveplate. Remove the driveplate from the crankshaft. Since the driveplate is fairly heavy, be sure to support it while removing the last bolt. Clean the driveplate to remove grease and oil. Inspect the surface for cracks, and check for cracked and broken ring gear teeth. Lay the driveplate on a flat surface to check for warpage. Clean and inspect the mating surfaces of the driveplate and the crankshaft. If the rear main oil seal is leaking, replace it before reinstalling the driveplate. Position the driveplate against the crankshaft. Be sure to align the marks made during removal. Note that some engines have an alignment dowel or staggered bolt holes to ensure correct installation. Before installing the bolts, apply thread locking compound to the threads and place the retaining ring (if equipped) in position on the driveplate. Wedge a screwdriver through the ring gear teeth to keep the driveplate from turning as you tighten the bolts to the torque specifications. If the transmission front pump seal/o-ring is leaking, now would be a very good time to replace it. The remainder of installation is the reverse of removal.