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How to change rear ABS sensor on AUDI TT Roadster (8N9) – replacement guide
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Important!
This replacement procedure can be used for:
AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T … View more
The steps may slightly vary depending on the car design.
AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T, AUDI TT Roadster (8N9) 1.8 T … 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 – ABS Sensor for TT Roadster (8N9) and other AUDI models
Alternative products

Wire brush
WD-40 spray
Brake cleaner
Electronic spray
Copper grease
Multipurpose grease
Torque wrench
Torx bit T30
HEX bit No.H5
HEX bit No.H8
Wheel impact socket #17
Ratchet wrench
Flat screwdriver
Water pump pliers
Pin punch
Tap wrench
Hammer
Crow bar
Wheel chock
Replacement: ABS sensor – AUDI TT Roadster (8N9). Tip from AUTODOC:
- All work should be done with the engine stopped.
Replacement: ABS sensor – AUDI TT Roadster (8N9). Use the following procedure:
- Step 1Secure the wheels with chocks.Step 2
Loosen the wheel mounting bolts. Use wheel impact socket #17. - Step 3Raise the rear of the car and secure on supports.Step 4
Unscrew the wheel bolts.AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. AUDI TT Roadster (8N9) - Step 5
Remove the wheel. - Step 6
Clean the ABS sensor fastener. Use a nylon cleaning brush. Use WD-40 spray. - Step 7
Detach the ABS sensor connector. Use a flat screwdriver. - Step 8
Unscrew the ABS sensor fastener. Use HEX No.H5. Use a ratchet wrench. - Step 9
Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray. - Step 10
Unscrew the brake caliper bracket fasteners. Use HEX No.H8. Use a ratchet wrench. Use a tap wrench. - Step 11
Release the parking brake cable. Use water pump pliers. Use a crowbar. - Step 12
Remove the brake caliper together with its bracket.Replacement: ABS sensor – AUDI TT Roadster (8N9). AUTODOC experts 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 13Clean the brake disc fastener. Use a wire brush. Use WD-40 spray.Step 14
Unscrew the brake disc fastening. Use Torx T30. Use a ratchet wrench. - Step 15
Remove the brake disc. - Step 16
Disconnect the ABS sensor. Use a pin punch. Use a hammer. Use a crowbar. - Step 17
Clean the ABS sensor mounting seat. Use a wire brush. Use WD-40 spray. - Step 18
Treat the ABS sensor fastener. Use a multipurpose grease. - Step 19
Connect the ABS sensor. - Step 20
Tighten the fastener connecting the ABS sensor to the stub axle. Use HEX No.H5. Use a torque wrench. Tighten it to 6 Nm torque.
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