expand_moreFront axle brake caliper mounting support
expand_moreBanjo screws
C43 brake calipers
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_moreFront axle steering
Lower steering column joint
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
expand_morePressure line at steering gear
Banjo screws
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_moreReturn line to steering gear
Banjo screws
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Steering gear
50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m
Use new screws.
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
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Track rod on steering gear
73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
expand_moreFront axle suspension
Suspension strut bearing pedestal
55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Shock-absorber piston rod
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace nuts.
expand_moreSuspension strut
At the bearing pedestal
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nut.
expand_moreAt the transverse control arm
Bottom
66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace nut.
On chassis
55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Use new screw.
expand_moreWheel suspension
expand_moreFront axle drive shaft
expand_moreAt the gearbox
M10
59 lbf⋅ft59 lbf⋅ft80 N⋅m
M8
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_moreM14
expand_moreCentral screws
First stage
84.82 lbf⋅ft84.82 lbf⋅ft115 N⋅m
Use new screw.
Second stage
180°180°180°
expand_moreM16
expand_moreCentral screws
First stage
140.14 lbf⋅ft140.14 lbf⋅ft190 N⋅m
Use new screw.
Second stage
180°180°180°
expand_moreStabiliser mounting at the axle control arm
First stage
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace nuts.
Second stage
90°90°90°
expand_moreStabiliser mounting at the stabiliser
With ball joint
73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.
expand_moreWith rubber mount
First stage
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace nuts.
Second stage
90°90°90°
Stabilizer mounting at the subframe
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
expand_moreLower front transverse control arm
expand_moreAt the subframe
First stage
59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws and nuts.
Second stage
90°90°90°
expand_moreOn stub axle
Flange nuts
73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.
Nut with washer assembly
92.2 lbf⋅ft92.2 lbf⋅ft125 N⋅m
Replace nuts.
expand_moreLower rear transverse control arm
expand_moreAt the subframe
First stage
66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace screws and nuts.
Second stage
90°90°90°
expand_moreOn stub axle
Flange nuts
73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.
Nut with washer assembly
92.2 lbf⋅ft92.2 lbf⋅ft125 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
Replace screws and nuts.
Second stage
90°90°90°
On stub axle
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace 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°
On stub axle
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace nuts.
expand_moreWheel hub wheel bearing
expand_moreM14
expand_moreCentral screws
First stage
84.82 lbf⋅ft84.82 lbf⋅ft115 N⋅m
Use new screw.
Second stage
180°180°180°
expand_moreM16
expand_moreCentral screws
First stage
140.14 lbf⋅ft140.14 lbf⋅ft190 N⋅m
Use new screw.
Second stage
180°180°180°
expand_moreWheel bearing unit
First stage
59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws.
Second stage
90°90°90°
expand_moreWheels and tires
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 1998 Audi A4 S4 Avant 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 A4 S4 Avant 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 1998 Audi A4 S4 Avant you're not only saving money, but also also improving your technical skills and learning something new.