How to remove and install a rear shock absorber on Buick Regal?

Use a wrench and socket to loosen and remove the lower shock absorber retaining nut and bolt. Purge new shocks of air by repeatedly extending them in their normal position and compressing them while inverted. Begin by raising the vehicle and axle housing, ensuring the vehicle is safely supported on jackstands. Next, remove the nut, retainer, and grommet, or nut and lockwasher, as equipped, which attaches the lower end of the shock absorber to the mounting. Then, take out the two shock absorber upper attaching screws and remove the shock absorber. To install, reverse the removal procedures, tightening the upper bolts to 18-20 ft. lbs. (24-27 Nm) for all models, while the nuts that lock the upper bolts on 1977-87 models should be tightened to 12 ft. lbs. (16 Nm). Finally, tighten the lower nut to 65 ft. lbs. (88 Nm).

How to remove the rear shock absorber on 2009 and earlier Buick LaCrosse?

To remove the strut, start by moving the side trim in the trunk compartment to expose the strut upper mounting fasteners. Loosen the mounting fasteners without removing them and pull off the rubber cap on top of the strut if it is equipped. Next, loosen the rear wheel lug nuts, block the front wheels, and raise the rear of the vehicle on jackstands. Remove the rear wheels and support the rear suspension with a floor jack. Detach the stabilizer bar link from the strut and mark the relationship of the strut to the knuckle. Remove the strut-to-knuckle nuts and bolts, separate the strut from the rear knuckle, and remove the upper mounting nuts to take out the strut. Make sure to secure the rear knuckle to prevent damage. To inspect the strut, check for leaking fluid, dents, cracks, and other damage. Also, inspect the coil spring for chips or cracks in the coating and the spring seat for cuts or deterioration. If any issues are found, proceed to the strut disassembly procedure. For installation, guide the knuckle into the strut flange and place the upper part of the strut in position to mount to the body. Install the upper mounting nuts finger-tight and use a soft-face hammer or mallet to install the bolts. Align the marks made and tighten the nuts to the specified torque. Install the stabilizer bar link, wheel, and lug nuts, then lower the vehicle and tighten the lug nuts. Finally, tighten the upper mounting nuts to the specified torque and have the wheel alignment checked and adjusted if necessary.

Genuine Buick Shock Absorber

Suspension Shock Absorber

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Buick Front Suspension Strut Assembly
Part Number: 22902421
$120.85 MSRP: $237.69
You Save: $116.84 (50%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Strut Assembly, Front Suspension; Strut
- Position: Front
- Replaces: 15936904, 19209801, 19210395, 19209885, 19181114
Fits the following Buick Models:
- Enclave | 2008-2012 | SPORT UTILITY VEHICLE 4WD, SPORT UTILITY VEHICLE AWD | 6 Cyl 3.6L
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Buick Rear Leveling Shock Absorber Kit
Part Number: 19300025
$312.50 MSRP: $609.16
You Save: $296.66 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Absorber Kit,Rear Leveling Shock; Shock Absorber
- Position: Rear
- Replaces: 15873313
Fits the following Buick Models:
- Lesabre | 2000-2005 | CUSTOM, LIMITED | 6 Cyl 3.8L
- Lucerne | 2006-2009 | CX 4 DOOR, CXL, CXL 4 DOOR, CXS | 6 Cyl 3.8L, 6 Cyl 3.9L, 6 Cyl 3.9L Flex, 8 Cyl 4.6L
- Park Avenue | 1997-2005 | PARK AVENUE, ULTRA | 6 Cyl 3.8L
- Riviera | 1995-1999 | RIVIERA | 6 Cyl 3.8L
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Buick Rear Leveling Shock Absorber Kit
Part Number: 19300026
$312.50 MSRP: $609.18
You Save: $296.68 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Absorber Kit,Rear Leveling Shock; Shock Absorber
- Position: Rear
- Replaces: 15873314, 15786901
Fits the following Buick Models:
- Lesabre | 2000-2005 | CUSTOM, LIMITED | 6 Cyl 3.8L
- Lucerne | 2006-2009 | CX 4 DOOR, CXL, CXL 4 DOOR, CXS | 6 Cyl 3.8L, 6 Cyl 3.9L, 6 Cyl 3.9L Flex, 8 Cyl 4.6L
- Park Avenue | 1997-2005 | PARK AVENUE, ULTRA | 6 Cyl 3.8L
- Riviera | 1995-1999 | RIVIERA | 6 Cyl 3.8L
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Buick Rear Leveling Shock Absorber Kit
Part Number: 19302769
$572.68 MSRP: $1116.34
You Save: $543.66 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Absorber Kit,Rear Leveling Shock; Shock Absorber
- Position: Rear
- Replaces: 15211376
Fits the following Buick Models:
- Lucerne | 2006-2011 | CX 4 DOOR, CXL, CXL 4 DOOR, CXS, V6 CX/CXL 4 DOOR, V8 CXL/SUPER 4 DOOR, V8 SUPER SERIES 4 DOOR | 6 Cyl 3.8L, 6 Cyl 3.9L, 6 Cyl 3.9L Flex, 8 Cyl 4.6L
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Buick Rear Leveling Shock Absorber Kit
Part Number: 19302768
$572.68 MSRP: $1116.34
You Save: $543.66 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Absorber Kit,Rear Leveling Shock; Shock Absorber
- Position: Rear
- Replaces: 15211375
Fits the following Buick Models:
- Lucerne | 2006-2011 | CX 4 DOOR, CXL, CXL 4 DOOR, CXS, V6 CX/CXL 4 DOOR, V8 CXL/SUPER 4 DOOR, V8 SUPER SERIES 4 DOOR | 6 Cyl 3.8L, 6 Cyl 3.9L, 6 Cyl 3.9L Flex, 8 Cyl 4.6L
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Buick Rear Shock Absorber Assembly (W/ Upper Mount)
Part Number: 84185485
$156.24 MSRP: $304.56
You Save: $148.32 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Absorber Assembly, Rear Shock (W/ Upper Mount) ; Absorber Assembly, Rr Shk (W/ Upr Mt); Shock, Shock Absorber
- Position: Rear Upper
- Replaces: 22950376
Fits the following Buick Models:
- Regal | 2011-2017 | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXL TURBO 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.0L, 4 Cyl 2.4L
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Buick Front Suspension Strut Assembly
Part Number: 22902430
$120.85 MSRP: $237.70
You Save: $116.85 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Strut Assembly, Front Suspension; Strut
- Position: Front
- Replaces: 15232953
Fits the following Buick Models:
- Enclave | 2008-2012 | SPORT UTILITY VEHICLE 2WD | 6 Cyl 3.6L
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Buick Rear Shock Absorber Assembly (W/ Upr Mt)
Part Number: 84185484
$155.34 MSRP: $302.80
You Save: $147.46 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Absorber Assembly, Rear Shk (W/ Upr Mt); Shock, Shock Absorber
- Position: Rear
- Replaces: 22950375
Fits the following Buick Models:
- Regal | 2011-2017 | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXL TURBO 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.0L, 4 Cyl 2.4L
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Buick Front Suspension Strut Assembly
Part Number: 23109099
$185.43 MSRP: $511.87
You Save: $326.44 (64%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Strut Assembly, Front Suspension; Strut
- Position: Front
- Replaces: 13310730
Fits the following Buick Models:
- Allure | 2010-2015 | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
- LaCrosse | 2010-2016 | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
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Buick Front Suspension Strut Kit
Part Number: 19300024
$670.45 MSRP: $1306.92
You Save: $636.47 (49%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Strut Kit,Front Suspension ; Strut Kit, Front And Rear Suspension; Strut
- Position: Front
- Replaces: 15211374
Fits the following Buick Models:
- Lucerne | 2006-2011 | CX 4 DOOR, CXL, CXL 4 DOOR, CXS, V6 CX/CXL 4 DOOR, V8 CXL/SUPER 4 DOOR, V8 SUPER SERIES 4 DOOR | 6 Cyl 3.8L, 6 Cyl 3.9L, 6 Cyl 3.9L Flex, 8 Cyl 4.6L
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Buick Rear Shock Absorber Assembly
Part Number: 20757505
$52.77 MSRP: $156.84
You Save: $104.07 (67%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Absorber Assembly, Rear Shock ; Absorber, Front And Rear Suspension; Shock, Shock Absorber
- Position: Rear
- Replaces: 25838254
Fits the following Buick Models:
- Enclave | 2008-2012 | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD, SPORT UTILITY VEHICLE AWD | 6 Cyl 3.6L
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Buick Front Suspension Strut Assembly
Part Number: 23239954
$126.65 MSRP: $244.78
You Save: $118.13 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Strut Assembly, Front Suspension ; Strut Assembly, Frt Susp; Strut
- Position: Front
- Replaces: 22790137
Fits the following Buick Models:
- Enclave | 2013-2017 | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE AWD | 6 Cyl 3.6L
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Buick Rear Shock Absorber Assembly (W/ Upr Mt)
Part Number: 84336157
$229.12 MSRP: $416.58
You Save: $187.46 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Absorber Assembly, Rear Shk (W/ Upr Mt); Shock
- Position: Rear
- Replaces: 22961779
Fits the following Buick Models:
- Allure | 2010-2015 | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
- LaCrosse | 2010-2016 | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
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Buick Rear Shock Absorber Assembly (W/ Upr Mt)
Part Number: 84336158
$213.70 MSRP: $416.58
You Save: $202.88 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Absorber Assembly, Rear Shk (W/ Upr Mt); Shock
- Position: Rear
- Replaces: 22961780
Fits the following Buick Models:
- Allure | 2010-2015 | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
- LaCrosse | 2010-2016 | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
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Buick Front Shock Absorber
Part Number: 15198894
$117.88 MSRP: $214.33
You Save: $96.45 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Absorber,Front Shock ; Absorber, Front And Rear Suspension
- Position: Front
Fits the following Buick Models:
- Rainier | 2004-2007 | 4 DOOR | 6 Cyl 4.2L, 8 Cyl 5.3L
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Buick Front Suspension Strut Assembly
Part Number: 23113983
$260.27 MSRP: $511.87
You Save: $251.60 (50%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Strut Assembly, Front Suspension; Strut
- Position: Front
- Replaces: 13310731
Fits the following Buick Models:
- Allure | 2010-2015 | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
- LaCrosse | 2010-2016 | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
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Buick Rear Shock Absorber Assembly
Part Number: 23147603
$56.51 MSRP: $109.17
You Save: $52.66 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Absorber Assembly, Rear Shock; Shock, Shock Absorber
- Position: Rear
- Replaces: 22937121
Fits the following Buick Models:
- Enclave | 2013-2017 | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE AWD | 6 Cyl 3.6L
View related parts
Buick Front Suspension Strut Assembly
Part Number: 13319742
$260.67 MSRP: $508.12
You Save: $247.45 (49%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Strut Assembly, Front Suspension ; Strut, Front And Rear Suspension; Strut
- Position: Front
Fits the following Buick Models:
- Regal | 2011-2013 | CXL 4 DOOR SEDAN, CXL TURBO 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.0L, 4 Cyl 2.4L
View related parts
Buick Rear Shock Absorber Assembly (W/ Upr Mt)
Part Number: 84557949
$245.72 MSRP: $483.22
You Save: $237.50 (50%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Absorber Assembly, Rear Shk (W/ Upr Mt); Shock, Shock Absorber
- Position: Rear
- Replaces: 84213420, 84317033
Fits the following Buick Models:
- Enclave | 2018-2024 | PREMIUM 2 EXTENDED 4 DOOR SUV | 6 Cyl 3.6L
View related parts
Buick Rear Shock Absorber Assembly
Part Number: 25820699
Product Specifications
- Other Name: Absorber Assembly, Rear Shock; Shock, Shock Absorber
- Position: Rear
- Replaces: 15159645, 15172343, 15206892, 15894447, 15172340, 25865982, 25820694, 15159648, 15172342, 15894449, 15894448, 25820695
Fits the following Buick Models:
- Rainier | 2004-2007 | 4 DOOR | 6 Cyl 4.2L, 8 Cyl 5.3L

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Buick Shock Absorber

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Buick Shock Absorber Parts Questions & Experts Answers

Front Shock Absorber Assembly
88945324
Q: How to remove and install a rear shock absorber on Buick Regal?
A:
Use a wrench and socket to loosen and remove the lower shock absorber retaining nut and bolt. Purge new shocks of air by repeatedly extending them in their normal position and compressing them while inverted. Begin by raising the vehicle and axle housing, ensuring the vehicle is safely supported on jackstands. Next, remove the nut, retainer, and grommet, or nut and lockwasher, as equipped, which attaches the lower end of the shock absorber to the mounting. Then, take out the two shock absorber upper attaching screws and remove the shock absorber. To install, reverse the removal procedures, tightening the upper bolts to 18-20 ft. lbs. (24-27 Nm) for all models, while the nuts that lock the upper bolts on 1977-87 models should be tightened to 12 ft. lbs. (16 Nm). Finally, tighten the lower nut to 65 ft. lbs. (88 Nm).
Rear Suspension Strut Kit
89047814
Q: How to remove the rear shock absorber on 2009 and earlier Buick LaCrosse?
A:
To remove the strut, start by moving the side trim in the trunk compartment to expose the strut upper mounting fasteners. Loosen the mounting fasteners without removing them and pull off the rubber cap on top of the strut if it is equipped. Next, loosen the rear wheel lug nuts, block the front wheels, and raise the rear of the vehicle on jackstands. Remove the rear wheels and support the rear suspension with a floor jack. Detach the stabilizer bar link from the strut and mark the relationship of the strut to the knuckle. Remove the strut-to-knuckle nuts and bolts, separate the strut from the rear knuckle, and remove the upper mounting nuts to take out the strut. Make sure to secure the rear knuckle to prevent damage. To inspect the strut, check for leaking fluid, dents, cracks, and other damage. Also, inspect the coil spring for chips or cracks in the coating and the spring seat for cuts or deterioration. If any issues are found, proceed to the strut disassembly procedure. For installation, guide the knuckle into the strut flange and place the upper part of the strut in position to mount to the body. Install the upper mounting nuts finger-tight and use a soft-face hammer or mallet to install the bolts. Align the marks made and tighten the nuts to the specified torque. Install the stabilizer bar link, wheel, and lug nuts, then lower the vehicle and tighten the lug nuts. Finally, tighten the upper mounting nuts to the specified torque and have the wheel alignment checked and adjusted if necessary.