Applicable Vehicles:
Fits for 1999-2006 Sierra 1500 4WD RWD
Fits for Suburban 1500 4WD RWD 1999-2006
Fits for Silverado 1500 4WD RWD 1999-2006
Fits for Yukon XL 1500 4WD RWD 2000-2006
Fits for Tahoe 4WD RWD 2000-2006
Fits for Yukon 4WD RWD 2001-2006
Fits for Cadillac Escalade 4WD RWD 2002-2005
Fits for Avalanche 1500 4WD RWD 2002-2006
Fits for Savana 2500 /1500 4WD RWD 2003-2008
Fits for Express 2500 /1500 4WD RWD 2003-2005
Fits for Express 1500 4WD RWD 2003-2011

Installation Steps：
1. Jack up the car, get tire off. Take inner wheel off. Bend back a little to get enough room.
2. Loosen the long bolt coming through 2 sides. Remove ABS line.
3. Pull out cotter pin, loosen castle nut, Ball joint out by hammer.
4. Remove sway bar end line from the spindle, Remove long bolt, wiggle old arm out.
5. Install back new front upper control arm.

Note：
When the following problems occur in your car, it's time to consider replacing the Control Arm
1.Poor Control of Steering
When you turn vehicle's direction but it always understeers or oversteers, it's time to check the Control Arm

2.Shaking Steering Wheel
The shaking or loose steering wheel is the first noticeable sign of wore chassis system. You must confirm that the front Control Arm work well

3.Strange Abnormal Noises
If you always hear strange abnormal noises such as rattling, clunking, etc, there may be damage of control arms body, bushings or ball joint

4.Uneven Tire Wear
When the inner tire is excessively wore, it may be the reason that the front Control Arm are damaged