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Rear Coil Spring Replacement
 
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Pelican Technical Article:

Rear Coil Spring Replacement

Nick Czerula

Time:

3 hours3 hrs

Tab:

$400

Talent:

**

Tools:

Set of sockets, wrenches, screwdrivers, pry bar, floor jack, jack stands, wheel chocks, safety glasses, torque wrench, helper

Applicable Models:

Volvo V70 (1998-01)
Volvo V70 2.4T (2001)
Volvo V70 AWD (1998-99)
Volvo V70 GLT (1998-00)
Volvo V70 GLT SE (2000)
Volvo V70 R (1998)
Volvo V70 R AWD (1999-00)
Volvo V70 T5 (1998-01)
Volvo V70 X/C (2001)
Volvo V70 X/C AWD (1998-00)
Volvo V70 X/C AWD SE (2000)

Parts Required:

Rear coil spring, bump stop, retainer, top mount

Hot Tip:

Replace coil springs as a pair

Performance Gain:

Car will ride well

Complementary Modification:

Replace rear shocks, shock mounts and have vehicle aligned

Shock absorbers and springs are the suspension components that maintain the mass of the vehicle suspended above the rolling gear: the wheels. Springs hold the weight up, and shock absorbers dampen suspension movements so that passengers inside the vehicle experience a smooth ride.

The Volvo V70 is equipped with separate shock absorbers and coil springs in the rear. For the front suspension, Volvo utilizes a combined shock absorber and coil spring assembly referred to as a MacPherson strut.

The rear coil springs on most V70 models have a tendency to break at the last two lower turns of the spring. This is due to dirt and debris infiltrating the spring perch, retaining moisture, causing the spring to rust then fracture. It's important to replace your coil springs in a pair to avoid an uneven suspension. Inspect spring pads for wear and replace them if necessary and always clean the spring perch area thoroughly. There are a few ways to tackle this project, I am going to try and illustrate the easiest way to replace your V70 coil springs. Have a friend around when you do this repair. You may need someone to help lever a pry bar or install the new coil spring while you lever the trailing arm down.

Keep in mind that when your car was serviced before, parts may have been replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have, so be prepared with different size sockets and wrenches.

Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If you're working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Do not work on your vehicle if you feel the task is beyond your ability.

Vehicle models change and evolve, as they grow older, so the vehicle shown in our illustrations may vary slightly from yours. If something seems different, let us know and share your info to help other users. Do you have questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.

Raise the rear of the vehicle and support it safely on jack stands. See our tech article on jacking your V70. I suggest replacing one side at a time, leaving the shock attached on the opposite side while you work.

Working in the cargo compartment, remove the storage compartment lid by opening it and lifting it (green arrow) out of the mount (red arrow).
Figure 1

Working in the cargo compartment, remove the storage compartment lid by opening it and lifting it (green arrow) out of the mount (red arrow).

Slide the carpet panel out of the storage compartment (red arrow).
Figure 2

Slide the carpet panel out of the storage compartment (red arrow).

Pull the side trim panel (red arrow) up to remove it.
Figure 3

Pull the side trim panel (red arrow) up to remove it. The right side is shown. Repeat this step for the left side.

Remove the two 10mm storage lid fasteners (red arrows).
Figure 4

Remove the two 10mm storage lid fasteners (red arrows). The right side is shown. Repeat this step for the left side.

Remove the storage lid from the vehicle (red arrow) to expose the wiring harness junction (green arrow).
Figure 5

Remove the storage lid from the vehicle (red arrow) to expose the wiring harness junction (green arrow).

Next, place the hydraulic jack or jack stand under (red arrow) the trailing arm.
Figure 6

Next, place the hydraulic jack or jack stand under (red arrow) the trailing arm.

Remove the rear shock 18mm mounting fastener (red arrow).
Figure 7

Remove the rear shock 18mm mounting fastener (red arrow).

Remove the rear shock from the mounting stud (red arrow).
Figure 8

Remove the rear shock from the mounting stud (red arrow).

Working below the trailing arm, remove the 15mm spring retainer nut (red arrow).
Figure 9

Working below the trailing arm, remove the 15mm spring retainer nut (red arrow). Then check that the retainer is free (inset). It will remain inside the spring until the spring is removed.

Slowly lower the hydraulic jack until spring tension on the trailing arm is fully unloaded.
Figure 10

Slowly lower the hydraulic jack until spring tension on the trailing arm is fully unloaded. Lift the coil spring up and pull it out of the trailing arm, bottom first. If there is not enough clearance for the coil spring to be removed, use a pry bar (red arrow) to lever the trailing arm down. You may need help from a friend for this.

Remove the coil spring from the vehicle (red arrow).
Figure 11

Remove the coil spring from the vehicle (red arrow).

Inspect the upper spring pad for wear or damage.
Figure 12

Inspect the upper spring pad for wear or damage. Replace if necessary. Remove the 8mm Allen bolt (red arrow) to replace the spring pad.

Peel the bump stop off the spring and remove it.
Figure 13

Peel the bump stop off the spring and remove it. Then remove the lower retainer through the top of the spring.

Be sure the upper coil end is properly aligned with the stop on the bump stop (red arrow).
Figure 14

Be sure the upper coil end is properly aligned with the stop on the bump stop (red arrow).

Install the spring into the vehicle, top of the spring first.
Figure 15

Install the spring into the vehicle, top of the spring first. You may need help from a friend to pry (red arrow) the trailing arm down in order to fit the new coil spring into the vehicle. Once the spring is properly installed in the trailing arm, slowly raise the suspension back into position. Install the shock mounting fastener first for safety. Then install and tighten the lower spring retainer. After replacing your rear coil springs, it is a good idea to have your vehicle professionally aligned. This will prevent premature tire wear and ensure good handling.

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Comments and Suggestions:
rick Comments: Craigslist "mechanic" broke off the mounting stud. It is welded on. What can I-or a real mechanic-do?
December 4, 2015
  Followup from the Pelican Staff: I believe it is part of the rear trailing arm. Give our parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.
- Nick at Pelican Parts
 

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