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How to Install
1. Raise the vehicle using a jack and support it on jack stands. Make sure the vehicle is securely supported before you start work.
2. Remove the wheel and tire assembly from the side where you want to install the new upper control arm.
3. Locate the upper control arm mounting bolts and remove them using a socket and ratchet or wrench.
4. Carefully remove the old upper control arm from the vehicle, taking note of its orientation and position.
5. Install the new upper control arm in the same position as the old one, making sure it aligns with the mounting points on the vehicle's frame and the wheel hub assembly.
6. Hand-tighten the mounting bolts and then torque them to the specifications using a torque wrench.
7. Reinstall the wheel and tire assembly and lower the vehicle to the ground.
8. Repeat the same process on the other side if needed.
9. Check your work and perform an alignment. (If you want more information, you can refer to the Ultimate Guide To Upper Control Arm Replacement.)
|Material||45 Gauge Steel & Rubber (Red) / PU (Black)|
|Suitable Lift Height||2-4''|
|Surface Treatment||Powder Coated|
|Gross Weight||7.55 kg (Red) / 7.5kg (Black)|
|Package Size||14.57*14.17*6.1in/37*36*15.5cm (Red) / 14.17*14.17*6.3in/36*36*16cm (Black)|
|Chevrolet Silverado 1500||1999-2006|
|GMC Sierra 1500||1999-2006|
|Chevrolet Avalanche 1500||2002-2006|
|Chevrolet Suburban 1500||1999-2006|
|GMC Yukon XL 1500||2000-2006|
|GMC Savana 1500||2003-2008|
|GMC Savana 2500||2003-2008|
If your Chevy Silverado 1500 is replacing or repairing a damaged suspension system, it is important to install a new upper control arm as it serves several important functions, including:
· Maintain wheel alignment: The upper control arm helps to keep the wheels in proper alignment with the chassis or body of the vehicle, preventing uneven tire wear and improving overall handling.
· Support the weight of the vehicle: The upper control arm bears a significant amount of the weight of the vehicle, helping to support the suspension system and maintain proper ride height.
· Absorb shock and vibration: The upper control arm, along with the other components of the suspension system, helps to absorb shocks and vibrations from the road, providing a smoother and more comfortable ride.
· Control the motion of the wheels: The upper control arm works in conjunction with the other suspension components to control the motion of the wheels, preventing excessive bounce, sway, or roll.
· Enhance steering response: The upper control arm contributes to the overall stability and responsiveness of the vehicle's steering system, allowing for more precise control and maneuverability.
· Reduce stress on other suspension components: By helping to distribute the weight of the vehicle evenly across the suspension system, the upper control arm reduces the strain on other components, such as the shocks, struts, and springs.
If you don't fix a damaged or worn-out control arm, it can have several negative effects on your Silverado's performance, handling, and safety. Some of the potential consequences of not fixing your control arm include:
· Unsafe driving conditions: A damaged control arm can affect the stability and handling of your vehicle, making it more difficult to control and potentially leading to accidents or collisions.
· Uneven tire wear: A faulty control arm can cause the wheels to tilt, resulting in uneven tire wear and reducing the lifespan of your tires.
· Suspension system damage: A damaged control arm can place additional stress on other suspension components, such as the shocks, struts, and ball joints, leading to further wear and potential damage.
· Decreased fuel efficiency: A malfunctioning control arm can cause your vehicle to handle poorly, leading to decreased fuel efficiency and higher operating costs over time.
· Costlier repairs: Ignoring a damaged control arm can lead to more extensive damage to other suspension components, requiring more costly repairs down the road.
The lifespan of upper control arms can vary depending on several factors, including the make and model of your vehicle, driving conditions, and maintenance history. In general, control arms are designed to last for a long time, and they may not need to be replaced for the entire lifespan of a vehicle.
That being said, control arms can wear out over time due to exposure to road salt, moisture, and other environmental factors, as well as normal wear and tear from driving. The bushings and ball joints on the control arm are the most common components that wear out over time, which can cause a need for replacement.
As a general guideline, upper control arms can last anywhere from 80,000 to 150,000 miles or more, depending on the above factors. However, if you notice any symptoms of worn or damaged control arms, it's important to have your suspension system inspected by a qualified mechanic to determine if the control arms need to be replaced.
· Exposure to road salt and moisture: Control arms are exposed to a lot of environmental factors on the road, including salt, moisture, and debris. Over time, this exposure can cause corrosion and rust to build up on the control arms, weakening them and reducing their lifespan.
· Normal wear and tear: Control arms, like all mechanical components, are subject to wear and tear from use over time. This wear can cause the bushings, ball joints, or other components of the control arm to degrade or fail, leading to a need for replacement.
· Poor driving conditions: Rough roads, potholes, and other poor driving conditions can cause excessive stress on the suspension system, including the control arms. Over time, this stress can cause the control arms to bend or crack, leading to failure.
· Improper installation or maintenance: If the control arms are not installed properly or not maintained regularly, this can cause them to wear out or fail prematurely. This can include failing to lubricate the bushings or ball joints, or not tightening the bolts to the proper torque specifications during installation.
· Accidents or collisions: A collision or accident can cause damage to the control arms, including bending or cracking, leading to a need for replacement.
In most cases, it is recommended to replace both upper control arms at the same time, even if only one of them is damaged or worn out. This is because the control arms on both sides of the vehicle are subject to the same wear and tear, and replacing only one control arm can lead to an imbalance in the suspension system.
Replacing both control arms at the same time ensures that both sides of the suspension system are equally supported and will help to maintain proper alignment, stability, and handling of the vehicle. Additionally, replacing both control arms at the same time can also help to prevent the need for another repair soon, saving you time and money in the long run.
However, if you are on a tight budget or have a specific reason to only replace one control arm, such as if one has been damaged in an accident, it is possible to replace just one. In this case, it's important to have your vehicle inspected by a qualified mechanic to ensure that the suspension system is properly aligned and balanced after the replacement.