2018 Audi A3 rear suspension fastener tightening specifications

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Condition	Value

expand_moreRear axle brake


Brake anchor plate	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Parking brake servomotor	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Use new seal and screws.
Rear axle bleeder valve	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Rear axle brake caliper	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws.

expand_moreRear axle brake caliper mounting support


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace screws.
Second stage	90°90°90°


Rear axle brake disc	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Replace screws.
Rear axle brake hose	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.
Rear axle wheel speed sensor	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreRear axle steering

expand_moreRear axle track rod

expand_moreAt the axle support


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws and nuts.
Second stage	180°180°180°

expand_moreOn stub axle


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreRear axle suspension

expand_moreRear axle shock absorber

expand_moreOn chassis


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreOn rear axle


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws and nuts.
Second stage	180°180°180°


Rear axle shock absorber piston rod	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.

expand_moreRear axle wheel suspension

expand_moreCombined steering axle

expand_moreAt the bearing pedestal


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws.
Second stage	360°360°360°

expand_moreOn chassis


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreRear axle carrier

expand_moreOn chassis (M10)


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreOn chassis (M12)


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreRear axle longitudinal control arm

expand_moreAt the bearing pedestal


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreOn stub axle


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreRear axle stabilizer mounting

expand_moreAt the axle support


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreRear axle stabilizer support at the axle control arm


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws and nuts.
Second stage	180°180°180°


Rear axle stabilizer support at the stabilizer	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreRear axle suspension

expand_moreAt the bearing pedestal


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws.
Second stage	360°360°360°

expand_moreBearing pedestal on the chassis


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreSteering knuckle

expand_moreWith composite rear axle


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreTrack control arm lower


At the axle support	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Replace nuts.

expand_moreOn stub axle


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws and nuts.
Second stage	180°180°180°

expand_moreTrack control arm upper


At the axle support	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Replace nuts.

expand_moreOn stub axle


First stage	95.88 lbf⋅ft95.88 lbf⋅ft130 N⋅m
Replace screws and nuts.
Second stage	180°180°180°

expand_moreWheel hub wheel bearing

expand_moreCentral screws


First stage	147.51 lbf⋅ft147.51 lbf⋅ft200 N⋅m
Use new screw.
Second stage	180°180°180°

expand_moreWheels and tires

expand_moreTire pressure sensors


Torx screws	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Union nuts	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m


Wheel attachment	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2018 Audi A3 user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Audi warranty policy for your region. In some regions DIY service may invalidate your warranty.

Maintenance Items

Chassis and Body Fastener Tightening Specifications
Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

Service Intervals

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Audi A3 service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 2018 Audi A3 you're not only saving money, but also also improving your technical skills and learning something new.

2018 Audi A3 Third generation facelift Rear Suspension Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

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