How to change rear brake discs on Seat Leon 1M1 – replacement guide
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Recommended replacement interval for the part category Brake disc : 50000km
Important!
This replacement procedure can be used for:
SEAT Leon Hatchback (1M1) 1.6,
SEAT Leon Hatchback (1M1) 1.9 TDI,
SEAT Leon Hatchback (1M1) 1.9 TDI,
SEAT Leon Hatchback (1M1) 1.4 16V,
SEAT Leon Hatchback (1M1) 1.8 20V T,
SEAT Leon Hatchback (1M1) 1.9 SDI,
SEAT Leon Hatchback (1M1) 1.6 16 V,
SEAT Leon Hatchback (1M1) 1.9 TDI,
SEAT Leon Hatchback (1M1) 1.9 TDI,
SEAT Leon Hatchback (1M1) 1.9 TDI,
SEAT Leon Hatchback (1M1) 1.6,
SEAT Leon Hatchback (1M1) 1.8 20V,
SEAT Leon Hatchback (1M1) 1.8 20V T 4
…
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The steps may slightly vary depending on the car design.
How to change rear brake discs on SEAT LEON 1M1 [TUTORIAL AUTODOC]
All the parts you need to replace – Brake Discs for Leon Hatchback (1M1) and other SEAT models
Replacement: brake discs – Seat Leon 1M1. AUTODOC recommends:
Replace the brake disks on the car Seat Leon 1M1 in complete set for each axis. Regardless of the state of components. This will ensure even braking.
The replacement procedure is identical for both brake disks on the same axle.
When changing the brake discs, always replace the brake pads.
All work should be done with the engine stopped.
Carry out replacement in the following order:
Step 1
Open the bonnet.
Step 2
Unscrew the brake fluid reservoir cap.
Step 3
Secure the wheels with chocks.
Step 4
Loosen the wheel bolts. Use wheel impact socket #17. Use a tap wrench.
Step 5
Raise the car.
Replacement: brake discs – Seat Leon 1M1. Tip:
If you are using a jack, make sure it rests on a flat surface without any unevenness.Be sure to additionally secure the car with jack stands.
Step 6
Unscrew the wheel bolts.
AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. Seat Leon 1M1
Step 7
Remove the wheel.
Step 8
Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
Step 9
Unscrew the brake caliper fasteners. Use a combination spanner #13. Use a combination spanner #15.
Step 10
Remove the fastening bolts.
Step 11
Remove the brake caliper. Use a crowbar.
AUTODOC recommends:
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.
Step 12
Remove the brake pads.
Step 13
Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
Step 14
Unscrew the brake caliper bracket fasteners. Use HEX No.H8. Use a ratchet wrench.
Step 15
Remove the fastening bolts.
Step 16
Remove the brake caliper bracket.
Step 17
Clean the brake disc fastener. Use a wire brush. Use WD-40 spray.
Step 18
Unscrew the brake disc fasteners. Use an impact screwdriver. Use a hammer.
Step 19
Remove the fastening bolt.
Step 20
Remove the brake disc.
Step 21
Clean the wheel hub. Use a wire brush.
Step 22
Treat the contacting surface. Use ceramic grease.
Step 23
Install a new brake disc.
Step 24
Install the fastening bolt.
Step 25
Tighten the brake disc fasteners. Use a Phillips screwdriver. Use a torque wrench. Tighten it to 4 Nm torque.
Step 26
Clean the brake caliper bracket of dirt and dust. Use a wire brush. Use a brake cleaner.
Replacement: brake discs – Seat Leon 1M1. AUTODOC experts recommend:
Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
Step 27
Install the brake caliper bracket.
Step 28
Install the fastening bolts.
Step 29
Tighten the brake caliper bracket fasteners. Use HEX No.H8. Use a torque wrench. Tighten it to 65 Nm torque.
Step 30
Treat the brake caliper piston. Use a nylon cleaning brush. Use a brake cleaner.
Step 31
Press in the brake caliper piston. Use brake caliper wind back tool.
Step 32
Treat the brake pads in the area where their surface comes into contact with the brake caliper bracket. Use anti-squeal paste.
Step 33
Install the brake pads.
Step 34
Install the brake caliper.
Step 35
Install the fastening bolts.
Step 36
Tighten the brake caliper fasteners. Use a drive socket #13. Use a torque wrench. Tighten it to 35 Nm torque.
Step 37
Treat the surface where the brake disc contacts the wheel rim. Use ceramic grease.
Step 38
Clean the brake disk surface. Use a brake cleaner.
Step 39
Install the wheel.
Replacement: brake discs – Seat Leon 1M1. Tip from AUTODOC:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 40
Screw in the wheel bolts. Use wheel impact socket #17. Use a ratchet wrench.
Step 41
Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 120 Nm torque.
Step 42
Remove the jacks and chocks.
AUTODOC recommends:
Without starting the engine, press the brake pedal several times until you feel significant resistance.Important! Replacement: brake discs – Seat Leon 1M1. Check the brake fluid level in the reservoir and top up if necessary.
Step 43
Tighten the brake fluid reservoir cap.
Step 44
Close the bonnet.
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