Front Subframe: Service and Repair
Replacing sub-frame bushings
Special tools:
999 5457 PRESS TOOL 999 5457 Press Tool
Note! Cars with SRS. When replacing any of the rear bushings in the sub-frame the following applies; Turn the steering wheel so that the steering shaft joint is in the position as illustrated in paragraph Release the steering wheel lock. Lock the steering wheel by removing the ignition key. The steering wheel should not be moved after this.
Tool 999 5457 consists of:
Counterhold (1), Threaded plate (2), Cutting sleeve (3), Drift (4), Spacer sleeve (5), Screw and nut (6).
Caution! The front left bushing is slightly oval in the hole. It cannot be used on the front right hand side.
Front
Note! The bushings must be changed one at a time.
Raise the car
Remove screw and washers for the bushing
The sub-frame falls a little.
Install:
- counterhold (1) on the upperside of the frame. See illustration
- cutting sleeve (3) and screw (6). Install from underneath.
Tighten the large cutting sleeve nut until it stops
Remove counterhold.
Install threaded plate (2), spacer (5) and screw (6)
Pull out the inner part of the bushing with the cutting sleeve
Do this by tightening the large nut until the cutting sleeve turns freely. The cutting sleeve is not visible in the illustration.
Knock out a a piece of the flange on the bushing
Use a screwdriver and a hammer.
Note! Do not use a cold chisel.
Split the whole outer sleeve with a screwdriver at the knocked out piece of the flange.
See insert illustration.
Pry out the bushing
Use a screwdriver.
Remove the inner part of the bushing from the cutting sleeve
Spray universal oil/rust oil between the bushing and the cutting tool. This makes it easier to remove the bushing from the cutting tool.
Install the bushing in a vise. Turn the cutting sleeve until it is free of the bushing. Use a pipe wrench.
Installing bushing
Position the counterhold on the upper side of the frame (not illustrated)
Install bushing with drift (4) and screw (6)
Note! Check that the marking corresponds between the bushing and frame. See arrow.
Note! Differences between left and right bushing.
Tighten the nut on the screw until the bushing is completely drawn in.
Remove tools
Install a new screw with washers. Tighten to 105 Nm , angle-tighten to 120°
Rear
Caution! The bushings must be changed one at a time.
Remove the screw for upper engine torque rod
Release the steering wheel lock
Remove lock pin, screw and nut for lower screw to joint between steering gear and steering shaft
Caution! On cars with SRS: Lock the steering wheel by removing the ignition key. Do not turn the front wheels so that the steering gear position is changed. The SRS-system contact reel can be damaged.
Slide the universal joint on the steering shaft up
Raise the car
Remove anti-roll bar link from anti-roll bar
Remove:
- the two rear screws from the bracket, see illustration
- center screw. The sub-frame falls a little.
Note! There is a locating pin for the bushing in the bodywork on the left side. When replacing the bushing a jimmy bar must be used to install a the counterhold (1) on the upper side of the sub-frame. See illustration. Use a wood or similar shim between the bodywork and jimmy bar.
Install the cutting sleeve (3) and screw (6) from underneath
Note! The illustration displays the front sub-frame bushing.
After this operation go back and continue work according to Tighten the large cutting sleeve nut until it stops.
Note! Tighten rear bracket screws to 50 Nm.
Then continue with following step.
Attach lower universal joint to steering gear
Tighten to 20 Nm . Install locking spring.
Note! Different pinion versions.
Attach the torque rod to the engine torque control arm
Use new screw and nut.
Tightening:
M8: Tighten to 18 Nm and angle-tighten to 120° .
M10: tighten to 35 Nm and angle-tighten to 90°