S4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
expand_moreBrake hose
expand_moreS4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
At the brake caliper
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Banjo bolts.
expand_moreBrake line
S4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
expand_moreFront axle brake caliper
expand_moreS4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
C54 brake calipers
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws.
FN3 brake calipers
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
FNR-G60 brake calipers
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
PR code 1LU
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
expand_moreFront axle brake caliper mounting support
S4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
140.14 lbf⋅ft140.14 lbf⋅ft190 N⋅m
Clean the ribbing
expand_moreFront axle brake disc
S4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
expand_moreWheel speed sensor
S4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
expand_moreFront axle steering
expand_moreSteering gear
expand_moreS4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
First stage
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screws.
Second stage
90°90°90°
expand_moreTrack rod end on stub axle
expand_moreS4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
Adjusting screws
5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
Clamping screws
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Replace nuts.
expand_moreTrack rod end on track rod
S4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_moreFront axle suspension
expand_moreShock-absorber piston rod
S4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace nuts.
expand_moreSuspension strut
expand_moreS4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
Bottom
66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace nuts.
Top
55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
expand_moreWheel suspension
expand_moreFront axle drive shaft
expand_moreS4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
expand_moreAt the gearbox
M10
51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Tighten the new screws evenly in several steps.
M8
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Tighten the new screws evenly in several steps.
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
147.51 lbf⋅ft147.51 lbf⋅ft200 N⋅m
Use new screw.
Second stage
180°180°180°
expand_moreFront axle stabiliser mounting
S4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
expand_moreUpper front transverse control arm
expand_moreS4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
expand_moreInside
First stage
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage
90°90°90°
Outside
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_moreUpper rear transverse control arm
expand_moreS4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
expand_moreInside
First stage
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage
90°90°90°
Outside
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_moreWheel hub wheel bearing
expand_moreS4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
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
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
expand_moreS4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
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
S4 quattro with gasoline V8 4.2 L 339 HP, 410 N⋅m at 3500 RPM engine (2003.3–2004.12)
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 2004 Audi A4 S4 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 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 2004 Audi A4 S4 you're not only saving money, but also also improving your technical skills and learning something new.
2004 Audi A4 S4 generations
In 2004 Audi offered 2 generations of the A4 S4. Front suspension fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.