Last emaiYou mentioned on your l that you think it might be the upper and lower ball joints that's making my suburban sway from side to side. How or what do you look for when inspection the ball joints?
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Raise the front of the vehicle and install safety stands.
Remove the wheel and tire assembly. Refer to Section 04-04 .
Remove the disc brake caliper (2B120) from the rotor and wire it out of the way. Refer to Section 06-03 .
Remove the dust cap, cotter pin, nut retainer, nut, washer and front wheel bearing (1216).
Remove the rotor from the front wheel spindle (3105).
Front Suspension Upper Ball Joint
Front Suspension Lower Arm Ball Joint
Front Wheel Spindle
Steering Sector Shaft Arm Drag Link
Front Axle Assembly
Tighten to 77-103 Nm (57-75 Lb-Ft)
Tighten to 68-92 Nm (50-67 Lb-Ft)
Tighten to 113-153 Nm (83-112 Lb-Ft)
Tighten to 340-460 Nm (250-339 Lb-Ft)
Remove bearing cone and roller (1201) and wheel hub grease seal (1190). Discard the seal.
Remove front disc brake rotor shield (2K004). Refer to Section 06-03 .
Disconnect the steering linkage from the integral front wheel spindle and spindle arm by removing the cotter pin and nut and then removing the front wheel spindle tie rod from the spindle arm with Tie Rod End Remover TOOL-3290-D or equivalent.
Remove the cotter pin and castellated nut from the lower ball joint stud.
Remove the nut from the axle clamp bolt and remove the bolt from the axle.
Remove the camber adjuster from the upper ball joint stud and axle beam. If required, use Ball Joint Removing Tool D81T-3010-B or equivalent to remove adjuster.
CAUTION: Do not use a pickle fork to separate the ball joint from the axle as this will damage the seal and the ball joint socket.
Strike the inside area of the axle as shown to pop lower ball joints loose from the axle beam.
Remove the front wheel spindle and ball joint from the axle.
Ball Joint, F-150, F-250, F-350
SPECIAL SERVICE TOOL(S) REQUIRED
Ball Joint Remover
Remove the front wheel spindle (3105) and ball joint assembly from the axle. Refer to Wheel Spindle, F-150, F-250, F-350 in the Removal and Installation portion of this section.
NOTE: Lower ball joint must be removed first.
Install the front wheel spindle in a vise and remove the snap ring from the lower ball joint.
Remove the lower ball joint from the front wheel spindle using U-Joint Tool T74P-4635-C and Receiver Cup D81T-3010-A5 or equivalent for F-150. Use Ball Joint Remover T94T-3010-AH for F-250 and F-350.
Turn the forcing screw clockwise until the ball joint is removed from the front wheel spindle.
CAUTION: Do not heat the ball joint or the front wheel spindle to aid in removal.
Assemble U-joint tool and cup on the upper ball joint, and turn forcing screw clockwise until ball joint is removed from the front wheel spindle.
CAUTION: Do not heat the ball joint or axle to aid in installation. NOTE: Upper ball joint must be installed into the front wheel spindle first.
NOTE: Individual ball joint tools are included in Ball Joint Adapter Set D81T-3010-A or equivalent.
To install the upper ball joint, assemble C-frame assembly, Ball Joint Receiver Cup D81T-3010-A5 and Installation Cup D81T-3010-A1 and D81T-3010-A3 or equivalents inside cup D81T-3010-A4 or equivalent in position on the front wheel spindle.
Turn forcing screw clockwise until ball joint is seated.
YOU NEED SOME TOOLS LIKE 1/8 1/2 DRILL BITS.YOU NEED A PUNCH.YOU NEED A BALL JOINT SEPERATOR.YOU NEED BALL JOINT PRESS TOOL TO PRESS OUT BALL JOINT AND PRESS IN NEW BALL JOINT.YOU WILL NEED A HAYNES REPAIR MANUAL TO SHOW YOU PHOTOS AND GIVE YOU YOUR TORQUE SPECS.
It's definitely easier to replace the control arms with the ball joints. I think you may have to buy new upper control arms anyway if they are oe i don't think the upper ones can be pressed out. If you are going to press the ball joints out you do not need to remove the springs or struts. Brake caliper/rotor/hub and knuckle are removed leaving the upper and lower control arms. i would disconnect the abs connector too if it has abs. recommend supporting the vehicle on the frame somewhere. You can buy a ball joint press kit for about 80$ online or use a really big hammer to smack them out. Putting them back in may be a pain without a press.
hit the steering knuckle where the ball joint shaft goes through it while u have the wedge/pickle fork inserted, u do this on the round side of the knuckle, this is what is called a "Morse Taper" hitting it distorts the hole a little and that lets the joint pop free. You need at least a 5 pound ball pen for this to work..
I would start with the simple and easy things. I would check upper and lower ball joints ( can explain correct procedure if unknown) I would check the tie rods and lastly the sway bar bushings. Also i would check for equal and correct cold tire pressure. Let me know if you need anymore assitance I would be glad to help. Thank you for using fixya.com