How to replace the steering knuckle on a rear-wheel drive on 2008 Cadillac STS?

Rear-wheel drives require vehicle support to access the Steering Knuckle replacement. Workers must first remove tire and wheel components before proceeding. The procedure starts by removing the wheel bearing/hub then continuing with the outer tie rod from the Steering Knuckle. Start by removing the brake hose bracket retaining bolts followed by unattaching the upper control arm ball stud along with the lower control arm ball stud from the Steering Knuckle to complete brake knuckle removal. Your first step in installation should involve connecting the ball stud from the lower control arm to the Steering Knuckle while you install the ball stud from the upper control arm next. Put the brake hose bracket retaining bolts into place before securing each one to a torque of 14 n.m (10 lb ft). Install the wheel bearing/hub afterward install a new tire while attaching the outer tie rod to the Steering Knuckle. Finally, lower the vehicle. During installation and disassembly maintain the ball stud in a fixed position to protect both the bushing and seal from damage by refraining from using a pickle fork or wedge-type tool.

OEM 2008 Cadillac STS Steering Knuckle

Front Steering Knuckle

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2008 Cadillac STS Knuckle, Driver Side
Part Number: 18064146
$199.80 MSRP: $329.13
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Product Specifications
- Other Name: Knuckle, Steering
- Position: Driver Side
- Replaces: 89060203
- Item Weight: 9.40 Pounds
- Item Dimensions: 21.6 x 12.4 x 8.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 18064146
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2008 Cadillac STS Submodels:
- Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
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2008 Cadillac STS Knuckle
Part Number: 88952000
$154.23 MSRP: $254.07
You Save: $99.84 (40%)
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Product Specifications
- Other Name: Knuckle, Rear Suspension; Knuckle, Rear Wheel
- Position: Rear
- Item Weight: 11.40 Pounds
- Item Dimensions: 14.9 x 15.1 x 10.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 88952000
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 Cadillac STS Submodels:
- Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
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2008 Cadillac STS Knuckle, Passenger Side
Part Number: 18064127
Product Specifications
- Other Name: Knuckle, Steering
- Position: Passenger Side
- Replaces: 89060216
- Item Weight: 10.10 Pounds
- Item Dimensions: 22.4 x 10.6 x 5.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 18064127
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
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2008 Cadillac STS Knuckle, Driver Side
Part Number: 18064126
Product Specifications
- Other Name: Knuckle, Steering
- Position: Driver Side
- Replaces: 89060215
- Item Weight: 10.40 Pounds
- Item Dimensions: 23.2 x 10.6 x 4.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 18064126
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
View related parts
2008 Cadillac STS Knuckle, Passenger Side
Part Number: 18064147
Product Specifications
- Other Name: Knuckle, Steering
- Position: Passenger Side
- Replaces: 89060206
- Item Weight: 9.00 Pounds
- Item Dimensions: 21.2 x 12.4 x 11.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 18064147
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 Cadillac STS Submodels:
- Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
View related parts
2008 Cadillac STS Knuckle
Part Number: 88951999
Product Specifications
- Other Name: Knuckle, Rear Suspension; Knuckle, Rear Wheel
- Position: Rear
- Item Weight: 9.20 Pounds
- Item Dimensions: 14.5 x 10.7 x 6.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 88951999
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 Cadillac STS Submodels:
- Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS

2008 Cadillac STS Steering Knuckle

With a comprehensive array of OEM 2008 Cadillac STS Steering Knuckle, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2008 Cadillac STS Steering Knuckle are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2008 Cadillac STS Parts Questions & Experts Answers

Q: How to replace the steering knuckle on a rear-wheel drive on 2008 Cadillac STS?
A: Rear-wheel drives require vehicle support to access the Steering Knuckle replacement. Workers must first remove tire and wheel components before proceeding. The procedure starts by removing the wheel bearing/hub then continuing with the outer tie rod from the Steering Knuckle. Start by removing the brake hose bracket retaining bolts followed by unattaching the upper control arm ball stud along with the lower control arm ball stud from the Steering Knuckle to complete brake knuckle removal. Your first step in installation should involve connecting the ball stud from the lower control arm to the Steering Knuckle while you install the ball stud from the upper control arm next. Put the brake hose bracket retaining bolts into place before securing each one to a torque of 14 n.m (10 lb ft). Install the wheel bearing/hub afterward install a new tire while attaching the outer tie rod to the Steering Knuckle. Finally, lower the vehicle. During installation and disassembly maintain the ball stud in a fixed position to protect both the bushing and seal from damage by refraining from using a pickle fork or wedge-type tool.