Important!

This replacement procedure can be used for:
LEXUS RX (MHU3_, GSU3_, MCU3_) 330 (MCU38_) … View more

The steps may slightly vary depending on the car design.

How to change rear springs / rear coil springs on LEXUS RX400h 2 (XU30) [TUTORIAL AUTODOC]

Alternative products

Coil spring

Replacement: coil springs – Lexus RX XU30. Tools you might need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Combination spanner #17
                    
                      Combination spanner #19
                    
                      Drive socket # 10 
                    
                      Drive socket # 12 
                    
                      Drive socket # 14 
                    
                      Drive socket # 17 
                    
                      Drive socket # 19 
                    
                      Wheel impact socket #21
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Plastic trim tool
                    
                      Chain wrench
                    
                      Hydraulic strut spring compressor
                    
                      Hydraulic transmission jack
                    
                      Wheel chock

Buy tools

Replacement: coil springs – Lexus RX XU30. AUTODOC recommends:

Both coil springs of the rear suspension should be replaced simultaneously.
The replacement procedure is identical for the left and right coil springs of the rear suspension.
All work should be done with the engine stopped.

Replacement: coil springs – Lexus RX XU30. Take the following steps:

Step 1

Open the boot lid.
Step 2

Move the folding shelf and detach it from the retainers. By doing this, you will get access to the side trim plastic panels.
Step 3

Remove the suspension strut mount cap. Use a plastic trim tool.
Step 4

Loosen the upper fastener of the shock strut mount. Use a drive socket #14. Use a ratchet wrench.
Step 5

Secure the wheels with chocks.
Step 6

Loosen the wheel mounting bolts. Use wheel impact socket #21.
Step 7

Raise the rear of the car and secure on supports.
Step 8

Unscrew the wheel bolts.

AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. Lexus RX XU30
Step 9

Remove the wheel.
Step 10

Clean the stabiliser link fasteners. Use a wire brush. Use WD-40 spray.
Step 11

Unscrew the fastener connecting the stabilizer link to the shock strut. Use a drive socket #17. Use a ratchet wrench.
Step 12

Remove the stabilizer rod.
Step 13

Clean the ABS sensor fastener. Use a wire brush. Use WD-40 spray.
Step 14

Unscrew the ABS sensor fastener. Use a drive socket #10. Use a ratchet wrench.
Step 15

Clean the fasteners connecting the shock strut to the steering knuckle. Use a wire brush. Use WD-40 spray.
Step 16

Clean the fastener of the bracket that connects the brake hose to the shock strut. Use a wire brush. Use WD-40 spray.
Step 17

Unscrew the brake hose fastening bracket from the shock strut. Use a drive socket #12. Use a ratchet wrench.
Step 18

Loosen the fastener that connects the suspension strut to the rear knuckle. Use a combination spanner #19. Use a drive socket #19. Use a ratchet wrench.
Step 19

Support the stub axle. Use a hydraulic transmission jack.
Step 20

Unscrew the fastener that connects the suspension strut to the rear knuckle. Use a combination spanner #19. Use a drive socket #19. Use a ratchet wrench.

Step 21

Remove the fastening bolts.
Step 22

Clean the ABS sensor fastener. Use WD-40 spray.
Step 23

Unscrew the ABS sensor fastener. Use a drive socket #10. Use a ratchet wrench.
Step 24

Unscrew the top fastening of the shock strut mount. Use a drive socket #14. Use a ratchet wrench.
Step 25

Remove the suspension strut.
Step 26

Set the shock absorber strut on the spring compressor tool.

Replacement: coil springs – Lexus RX XU30. Professionals recommend:
Note that when using a spring compressor, spring coils need to be securely gripped, compressing the spring on the opposite sides.Ensure the correct position of the spring in the retainer.Make sure that the spring coils tightly entered the lock handles.
Step 27

Compress the spring.
Step 28

Remove the strut piston rod nut. Use a chain wrench. Use a drive socket #19. Use a ratchet wrench.
Step 29

Release the coil spring.
Step 30

Remove the top strut mount.
Step 31

Remove the shock absorber dust cap and the bump stop.

AUTODOC recommends:
Replacement: coil springs – Lexus RX XU30. Carefully inspect the mount, the boot, and the bump stop of the shock absorber. Replace if necessary.
Step 32

Remove the spring.
Step 33

Install the spring on the shock absorber.
Step 34

Install the boot and a bump stop onto the shock absorber.

Step 35

Compress the spring.
Step 36

Install the upper strut mount and the strut mount bearing.
Step 37

Tighten the shock strut piston rod nut. Use a chain wrench. Use a drive socket #19. Use a torque wrench. Tighten it to 60 Nm torque.

Replacement: coil springs – Lexus RX XU30. Tip from AUTODOC:
Check to make sure the spring is positioned correctly. Avoid its misalignment.
Step 38

Treat the shock strut rod. Use copper grease.
Step 39

Decompress the spring.
Step 40

Remove the assembled shock strut.
Step 41

Clean the mounting seats of the shock strut. Use a wire brush. Use WD-40 spray.
Step 42

Install the shock strut into the wheel arch.
Step 43

Screw the top fastening of the shock strut mount. Use a drive socket #14. Do not tighten it.

AUTODOC recommends:
Lexus RX XU30 – To avoid injury, hold the suspension strut while screwing in the fastening bolts.
Step 44

Install the fastening bolts.
Step 45

Tighten the fastener that connects the suspension strut to the rear knuckle. Use a drive socket #19. Use a torque wrench. Tighten it to 180 Nm torque.
Step 46

Screw in the ABS sensor fastener. Use a drive socket #10. Use a ratchet wrench.
Step 47

Ιnstall the transverse stabilizer link.
Step 48

Tighten the stabiliser link fastener. Use a combination spanner #17. Use a drive socket #17. Use a ratchet wrench.
Step 49

Remove the support from under the stub axle.

Replacement: coil springs – Lexus RX XU30. AUTODOC experts recommend:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 50

Tighten the fastener connecting the stabilizer link to the shock strut. Use a drive socket #17. Use a torque wrench. Tighten it to 39 Nm torque.
Step 51

Tighten the brake hose fastening bracket to the shock strut. Use a drive socket #12. Use a ratchet wrench.
Step 52

Treat the shock strut fasteners. Use copper grease.
Step 53

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 54

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: coil springs – Lexus RX XU30. After applying the spray, wait a few minutes.
Step 55

Install the wheel.

Replacement: coil springs – Lexus RX XU30. Tip:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 56

Screw in the wheel bolts. Use wheel impact socket #21.
Step 57

Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #21. Use a torque wrench. Tighten it to 103 nm torque.
Step 58

Tighten the upper fastener of the shock absorber strut mount. Use a drive socket #14. Use a torque wrench. Tighten it to 55 Nm torque.
Step 59

Install the suspesion strut mount cap.
Step 60

Install the folding shelf to its mounting seat.
Step 61

Close the lid of the luggage compartment.
Step 62

Remove the jacks and chocks.

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