Front lower arm/Rear upper arm
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
- Check the ball joint boot for weakness, damage, cracks, and inner boot grease leaks.NOTE:
- If the ball joint boot is damaged with grease leaks, replace the appropriate part as an assembly.
- If the ball joint boot is soft and cracked without grease leaks, go to step 2. Replace the appropriate ball joint boot.
- Disconnect the appropriate ball joint connection, and remove the component including the ball joint:
- The front lower arm (see LOWER ARM REMOVAL/INSTALLATION ).
- The rear upper arm (see UPPER ARM REMOVAL/INSTALLATION ).
- Paint a alignment mark (A) in the center between the both boot clip end faces (B) on the appropriate part (C).
- The front lower arm ball joint: Remove the boot.
- The rear upper arm ball joint: Remove the boot clip and the boot.
- Pack the interior and lip (A) of a new boot with grease. Keep the grease off of the boot-to-housing mating surfaces (B).NOTE: Use the grease that comes with the ball joint kit, or multi-purpose grease.
- Pack fresh grease into the base (C). Do not let dirt or other foreign materials get into the boot.
- Install the boot on the ball joint, squeeze it gently to force out any air, then wipe the grease off the tapered portion of the ball joint pin (D).
- The front lower arm ball joint: Press the boot with the hub dis/assembly tool, 42 mm (A) until the bottom seats (B) on the lower ball joint housing all the way around.
- The rear upper arm ball joint: Adjust the clip guide with the adjusting bolt (A) until its base is just above the groove around (B) the bottom of the boot. Then slide the clip (C) over the clip guide and into position on the boot.
- The rear upper arm ball joint: Align the center between the both end faces of the boot clip to alignment mark of the appropriate part.
- After installing a boot, wipe any grease off the exposed portion of the ball joint pin.
- Install all the removed parts.