2
3
www.lasertools.co.uk
www.lasertools.co.uk
Instructions
This tool kit has been designed to remove and replace the rear suspension ball
joints in situ on BMW 5 and 7 Series 2.2 (E39/E38).
Contents
1.
Thrust Nut
2.
Removing/Installing Sleeve
3.
Removing Sleeve
4.
Installer Sleeve
5.
Nut
6.
Centre Screw
Precautions
•
Make sure the vehicle is securely elevated and supported with axle stands
•
Wear suitable eye protection
•
lways grease the Nut, Force Bearing Assembly and Force Bar before and
after every job
•
DO NOT USE AIR TOOLS WITH THIS PRODUCT
Before you start
•
Jack up the rear end of the vehicle and support with axle stands
•
Remove the rear wheels
•
Make sure you mark the alignment of the existing ball joints
•
Make sure the brake hoses are kept away from the work area to avoid
damage
•
You will need 2 x 24mm Ring Spanners or Sockets
•
Mark the position of the eccentric washer on the swinging arm before
removing the bolts to allow correct re-positioning. For access to this
washer contact your vehicles service manual
6
1
2
5
4
3
Removal
1.
Mark the position of the existing
bush prior to removal
2.
Lubricate Nut, Bar and Force
Bearing Assembly
3.
Remove the swinging arm assembly
to allow easy access to the ball joint.
A bolt passing through the ball joint
will be removed in this process
4.
Remove the snap ring holding the ball
joint
5.
Assemble the tool using 5, 6, 2, 3, 1
6.
Assemble as shown in Diagram 1
7.
Hold the Nut using a 24mm spanner or
socket
8.
Tighten the Force Bearing Assembly (5)
slowly until the removal sleeve pushes
the ball joint into the large sleeve
Replacement
1.
Clean the ball joint housing
2.
Insert the new ball joint into the
Installer Sleeve (4) prior to assembly
of tool. The rubber part of the ball joint
is inserted until the flange rests on the
outer edge of the sleeve
3.
Pass the Force Bar with the retaining
nut fitted through the ball joint and
through the ball joint housing
4.
Attach the Removing/Installing Sleeve (2)
and Force Bearing Assembly (1)
5.
Tighten the Force Bearing Assembly
using a 24mm spanner or socket whilst
securing the other end with a similar tool
6.
The ball joint will be forced into the
housing in the direction of front to back
7.
When the flange of the ball joint rests
against the face of the housing (facing
the front of the vehicle)
8.
Check for square alignment
9.
Replace the snap ring and re-assemble
the suspension, re-aligning the washer
position
Perform task on the
other side if necessary
2
6
5
3
1
FRONT OF
VEHICLE
Removal of Ball Joint
FRONT OF
VEHICLE
4
Retaining
Nut
Ball Joint
Flange
New Ball
Joint
Replacement of Ball Joint
