Recommended replacement interval for the part category Brake pad set : 30000 km

Important!

This replacement procedure can be used for:
TOYOTA iQ (_J1_) 1.0 (KGJ10_), TOYOTA iQ (_J1_) 1.33 (NGJ10_), TOYOTA iQ (_J1_) 1.4 D-4D (NUJ10_) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Brake Pads for iQ (_J1_) and other TOYOTA models

Brake pad set

        Brake pad set for iQ (AJ10) Petrol (68 hp)
      
        Brake pad set for iQ (AJ10) Petrol (98 hp)
      
        Brake pad set for iQ (AJ10) Diesel (90 hp)

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). Tools you'll need:

                        Wire brush
                      
                        Nylon cleaning brush
                      
                        WD-40 spray
                      
                        Brake cleaner 
                      
                        Anti-squeal paste
                      
                        Copper grease 
                      
                        Torque wrench
                      
                        Combination spanner #14
                      
                        Drive socket # 14
                      
                        Ratchet wrench
                      
                        Wheel impact socket #21
                      
                        Brake caliper wind back tool
                      
                        Crow bar
                      
                        Wheel chock

Buy tools

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). AUTODOC recommends:

Perform the replacement of brake pads in complete set for each axis. This provides effective braking.
The replacement procedure is identical for all brake pads on the same axle.
All work should be done with the engine stopped.

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). Recommended sequence of steps:

Step 1

Open the bonnet. Unscrew the brake fluid reservoir cap.

Step 2

Secure the wheels with chocks.

Step 3

Loosen the wheel mounting bolts. Use wheel impact socket #21.
Step 4

Raise the front of the car and secure on supports.

Step 5

Unscrew the wheel bolts.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_)
Step 6

Remove the wheel.
Step 7

Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
Step 8

Unscrew the brake caliper fastening. Use a combination spanner #14. Use a drive socket #14. Use a ratchet wrench.
Step 9

Spread the brake pads. Use a crowbar.
Step 10

Lift the caliper up.

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). Professionals recommend:
Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
Step 11

Remove the brake pads.

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). Tip from AUTODOC:
Measure the brake disc thickness. Upon reaching the wear limit the part must be replaced.
Step 12

Remove the retaining springs of the brake pads. Use a crowbar.
Step 13

Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). After applying the spray, wait a few minutes.
Step 14

Install the retaining springs of the brake pads.
Step 15

Treat the brake caliper piston. Use a nylon cleaning brush. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). After applying the spray, wait a few minutes.
Step 16

Press in the brake caliper piston. Use brake caliper wind back tool.
Step 17

Treat the brake pads in the area where their surface comes into contact with the brake caliper bracket. Use anti-squeal paste.

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). Tip from AUTODOC experts:
Make sure the disc surface is clean before installing the pads.
Step 18

Install new brake pads.

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). Tip from AUTODOC:
Make sure the pads are installed with linings facing the disc.
Step 19

Install the brake caliper and fix it. Use a combination spanner #14. Use a drive socket #14. Use a torque wrench. Tighten it to 35 Nm torque.
Step 20

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 21

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). After applying the spray, wait a few minutes.
Step 22

Install the wheel.

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). Tip:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 23

Screw in the wheel bolts. Use wheel impact socket #21.
Step 24

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 25

Remove the jacks and chocks.

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). Professionals recommend:
Check the brake fluid level in the expansion tank and refill if necessary.
Step 26

Tighten the brake fluid reservoir cap.

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). AUTODOC experts recommend:
Without starting the engine, press the brake pedal several times until you feel significant resistance.
Step 27

Close the hood.

Replacement: brake pads – TOYOTA IQ (KPJ1_, NGJ1_, KGJ1_, NUJ1_). AUTODOC recommends:
Slow down smoothly for first 150-200 km after the brake pads replacement. Avoid unneccessary and sharp braking to a stop.

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