Suspension - Squeaking Noise From Rear
BULLETIN NUMBER:7720001
DATE:
February 1, 2000
TITLE:
Rear suspension, squeaking noise
MODELS:
1998-2000 V70 XC
SECTION
7
GROUP
72
NO.
0001
YEAR
00
MONTH
02
REFERENCE:
This Service Bulletin replaces the previous SB 772-0001 from June 1999, which should be discarded.
BACKGROUND
On some cars, a squeaking noise can be heard coming from the rear suspension between the rear spring, bump stop and the spring seat. This service bulletin describes the updated method for replacing the bump stop.
AFFECTED VEHICLES
MATERIALS
TOOLS
SQUEAKING NOISE FROM REAR SUSPENSION
Special tools:
999 5660, 999 5498, 999 5499, 999 5500, 999 5501, 951 2050
REMOVING THE SPRING
1
Rear seat backrest
Fold the backrest forward.
2
Exposing the upper 9hock absorber mounts
Raise the front floor hatch
Remove the side floor panels
Remove the screws from the front floor hatch Pull back the hatch to release it from its front mountings at the front edge
Remove the cover.
Cover for the upper shock absorber mounting
Remove the cover over the upper shock absorber mounting.
3
The upper shock absorber mounting
Remove the nut for the upper shock absorber mounting.
Special tools:
999 5498, socket for standard shock absorbers
999 5499, wrench for standard shock absorbers
999 5500, socket for Nivomat shock absorbers
999 5501, wrench for Nivomat shock absorbers.
4
Rear jacking point and the control arm mounting
Preparations:
Raise the car
Remove the rear wheel on the relevant side
Loosen off the rear jacking point
Remove the 3 screws from the lateral link. This is to detach the control arm mounting
Press the jacking point backward so that it passes the control arm.
Caution! Do not in any way damage the brake line.
5
Spring
Remove the nut for the anti-roll bar link mounting
Loosen off the nut for the inner trailing arm mounting 2 turns
Remove the nut for the outer trailing arm mounting Tap out the screw.
Note! The screw is locked with splines. The screw cannot be turned.
Pull the trailing arm downwards.
Remove:
- the spring
- the spring seat
- the bump stop.
Clean the spring seat.
INSTALLING THE SPRING
6
Spring
Bend the control arm downwards.
Install:
- the new bump stop
- the spring seat
- the spring.
7
Installing the tensioner
Install the long screw for the tensioner on the mounting
Install mounting 999 5660 on the rear axle member.
Note! Ensure that the rear axle mating surfaces are clean where the tool will be used.
Screw tensioner j4 1470-850 into place. Use the long screw.
8
Installing the outer control arm mounting
Note! The rollers must be in contact with the control arms on both sides.
Press up the control arm using the tensioner so that the screw for the outer mounting on the control arm can be installed. (Do not tighten the nut in this point).
Note! Press in the screw only so far that the splines are not in the bushing.
Note! Ensure that the anti-roll bar link is correctly positioned.
9
Installing the jacking point
Note! Use a new screw.
Adjust the tensioner so that the mounting for the lateral link can be installed
Install the jacking point. (Do not tighten the screw yet).
10
Tightening
Adjust the tensioner to the normal position.
Normal position
The rear suspension is in the normal position when the distance from the fender edge (1) to the center of the wheel (2) is 381 mm (15").
Tap in the screw for the outer control mounting so that the splines are in the bushing.
Tighten:
The outer and inner control arm mounting to 80 Nm (60 ft.lb)
The screw for the lateral link to 65 Nm (48 ft.lb). Angle-tighten an additional 60 °.
Note! Use 3 new screws.
The mounting for the jacking point to 105 Nm (77 ft.lb).
Angle-tighten an additional 90 °.
11
Installing the anti-roll bar link and upper shock absorber mounting
Anti-roll bar link
Install the nut on the anti-roll bar link mounting.
Tighten to 30 Nm (22 ft.lb)
Remove the tensioner.
Upper 9hock absorber mounting
Install the wheel. Tighten to 110 Nm (81 ft.lb)
Lower the car completely
Install a washer and nut on the upper shock absorber mounting.
Tighten the nut:
- for standard shock absorbers to 40 Nm (30 ft.lb)
- for Nivomat shock absorbers with M12 nuts to 40 Nm (30 ft.lb)
- for Nivomat shock absorbers with M1O nuts to 20 Nm (15 ft.lb). Angle-tighten an additional g0°.
Special tools:
999 5498, socket for standard shock absorbers
999 5499, wrench for standard shock absorbers
999 5500, socket for Nivomat shock absorbers
999 5501, wrench for Nivomat shock absorbers
951 2050, bevel protractor.
Cover on the shock absorber mountings
Install the cover on the upper shock absorber mounting
Tighten to 25 Nm (18 ft.lb).
12
Reassemble the cargo compartment
Align the floor hatch mountings at the front edge Install the screws in the rear edge
Align the hatch with the rear floor hatch. Tighten the screws
Reinstall the side floor hatches
Fold down the front floor hatch.
13
Reposition the backrest
Fold up the backrest.
WARRANTY STATEMENT: Claims may be submitted under the New Car Warranty when there is a documented customer complaint, using claim type 01.