Synergy 4122/22-01 - Heavy Duty Ball Joints User Manual
Heavy duty ball joints
SYNERGY MFG. 870 INDUSTRIAL WAY, SAN LUIS OBISPO, CA (805) 242-0397
HEAVY DUTY BALL JOINTS
PPM-4122
PPM-4122-01
Version 1.3
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 installing 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.
4. Torque procedure is as follows:
a. Torque the lower ball joint nut to 35 ft-lbs
b. Torque the upper ball joint nut to 69 ft-lbs, align the castle nut to install
cotter pin, DO NOT loosen to install cotter pin, tighten to the next keyway
if needed.
c. Torque the lower ball joint nut to 150 ft-lbs, install cotter pin in same
fashion as before.
5. Wait until the ball joints are installed to install the grease zerk fittings.
6. Recheck caster on vehicle after new Balljoints have been installed as worn
balljoints could result in an increase in actual caster due to excessive play.