expand_moreFront axle brake caliper mounting support
expand_moreOn stub axle
M14 × 1,5 screws
140.14 lbf⋅ft140.14 lbf⋅ft190 N⋅m
Clean the ribbing
Front axle brake disc
11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Wheel speed sensor
13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
expand_moreFront axle steering
Lower steering column joint
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Pressure line at steering gear
34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m
Use new seals.
Return line to steering gear
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.
Steering gear
70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Note correct order of tensioning.
expand_moreTrack rod end on stub axle
Adjusting screws
5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
Clamping screws
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace nuts.
Track rod end on track rod
44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Track rod on steering gear
73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
expand_moreFront axle suspension
expand_moreSuspension strut bearing pedestal
expand_moreOn chassis
First stage
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage
90°90°90°
expand_moreSuspension strut
At the bearing pedestal
16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.
expand_moreAt the transverse control arm
First stage
66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace screws and nuts.
Second stage
90°90°90°
expand_moreWheel suspension
expand_moreFront axle drive shaft
expand_moreCentral screws
First stage
147.51 lbf⋅ft147.51 lbf⋅ft200 N⋅m
Replace screws.
Second stage
180°180°180°
expand_moreM10
First stage
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.
Second stage
51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Front axle stabiliser mounting
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
Replace nuts.
expand_moreStabiliser mounting at the axle control arm
First stage
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screw.
Second stage
90°90°90°
expand_moreStabiliser mounting at the stabiliser
First stage
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screw.
Second stage
90°90°90°
Stabilizer mounting at the subframe
28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
Support joint at the stub axle
88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace nuts.
expand_moreLower front transverse control arm
expand_moreAt the subframe
First stage
51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws and nuts.
Second stage
180°180°180°
On stub axle
88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace nuts.
expand_moreLower rear transverse control arm
expand_moreAt the subframe
First stage
51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Replace screws and nuts.
Second stage
180°180°180°
On stub axle
88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace nuts.
expand_moreUpper front transverse control arm
expand_moreAt the bearing pedestal
First stage
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use new screws and nuts.
Second stage
90°90°90°
expand_moreOn stub axle
expand_moreSpecial task vehicle
First stage
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage
180°180°180°
Otherwise
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use new screws and nuts.
expand_moreUpper rear transverse control arm
expand_moreAt the bearing pedestal
First stage
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage
90°90°90°
expand_moreOn stub axle
expand_moreSpecial task vehicle
First stage
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage
180°180°180°
Otherwise
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
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_moreWheel bearing unit
First stage
59 lbf⋅ft59 lbf⋅ft80 N⋅m
Use new screws.
Second stage
90°90°90°
expand_moreWheels and tires
expand_moreTire pressure sensors
Torx screws
2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Replace the screw.
Union nuts
2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
expand_moreWheel attachment
With run-flat tires
103.26 lbf⋅ft103.26 lbf⋅ft140 N⋅m
Otherwise
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 2003 Audi A8 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.
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 A8 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 2003 Audi A8 you're not only saving money, but also also improving your technical skills and learning something new.