Synergy 4121/21-01 - Heavy Duty Ball Joints - Manual

SYNERGY MFG. 870 INDUSTRIAL WAY, SAN LUIS OBISPO, CA (805) 242-0397
HEAVY DUTY BALL JOINTS
PPM-4121
PPM-4121-01
Version 1.4
GENERAL NOTES:

These instructions are also available on our website; www.synergymfg.com.
Check the website before you begin for any updated instructions and additional
photos for your reference.

Refer to the factory service manual for general installation instructions for ball
joints, these are no different, any important differences are noted below.

A special ball joint C-frame press and adapters are required for installation. OTC
and Miller special tools have quality tools available.

Lubricate the ball joints at every oil change using Synergy High Performance
Chassis & Bearing Grease (PPM-4119)

These HD ball joints carry a 12 month unlimited warranty. Available to the
original purchaser from the date of purchase and are non transferable.
1. Remove the boots prior to installation to prevent damage. Do not forget to
reinstall them prior to reinstalling the knuckles.
2. Install the ball joints using the factory service manual as a guide.
3. Orient the lower ball joint so the grease fitting is pointing forward when installed
on vehicle.
4. Begin by installing the new threaded sleeve into the axle C. Tighten till there are
approximately half the threads threaded into the C.
5. With ball joints installed in knuckle, reinstall the knuckle onto the housing.
6. Use a floor jack or bottle jack underneath the knuckle to seat the taper. Torque
the bottom ball joint nut to 80 ft-lbs.
7. Next, torque the upper sleeve to 50 ft-lbs.
8. Install the upper ball joint nut and torque to 100-ft-lbs.
9. Align cotter pin holes, DO NOT loosen to align holes, always tighten to next key
hole.
10. Wait until the ball joints are installed to install the grease zerk fittings.
11. Recheck caster on vehicle after new ball joints have been installed as worn ball
joints could result in an increase in actual caster due to excessive play.
12. Grease ball joints at every oil change.