expand_moreCylinder head screws shank length (new)
All other modifications
4.53 in4.53 in115 mm
expand_moreValve cover
All other modifications
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Tighten the screws cross-wise from inside to outside.
expand_moreEngine block
expand_moreConnecting rod bearing
First stage
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws.
Second stage
90°90°90°
expand_moreCrankshaft central screws
expand_moreAll other modifications
First stage
66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace bolt.
Second stage
90°90°90°
expand_moreCrankshaft pulley
expand_moreAll other modifications
M8 screws (class 10.9)
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_moreM8 screws (class 8.8)
First stage
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage
90°90°90°
expand_moreFlywheel
First stage
44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage
90°90°90°
Flywheel cover
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
expand_moreMain bearing
First stage
47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Use new screws.
Second stage
90°90°90°
expand_moreEngine control
Camshaft adjuster
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
expand_moreCamshaft drive belt deflection pulley
All other modifications
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
expand_moreCamshaft timing gear
All other modifications
47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
expand_moreDrive belt tensioner device
All other modifications
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Oil pump drive chain tensioner
11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
do not dismantle
expand_moreToothed belt guard
Center
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.
Bottom
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.
Toothed belt guard at the bottom
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.
Toothed belt guard center
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use screw-locking compound.
expand_moreToothed belt tensioning roller
All other modifications
19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
expand_moreEngine lubrication
Oil cooler
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Oil drain plug
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
expand_moreOil pump chain wheel
All other modifications
16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
expand_moreOil sump
expand_moreAll other modifications
At the gearbox
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
On the engine block
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.
expand_moreEngine management
Charge air pressure sensor
2.21 lbf⋅ft2.21 lbf⋅ft3 N⋅m
Knock sensor
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Lambda sensor
40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
expand_moreEngine mounting
expand_moreEngine bracket
expand_moreAll other modifications
On the engine block
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
expand_moreEngine mounting
expand_moreAll other modifications
expand_moreOn chassis
First stage
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screw.
Second stage
90°90°90°
expand_moreOn engine bracket
First stage
44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screw.
Second stage
90°90°90°
Strut
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
expand_moreSubframe
First stage
73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Use new screws
Second stage
90°90°90°
expand_moreTorque arm
expand_moreAt the subframe
First stage
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage
90°90°90°
expand_moreAt the gearbox
First stage
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage
90°90°90°
expand_moreExhaust system
expand_moreExhaust manifold
All other modifications
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace seals and nuts.
Exhaust manifold heat shields
14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace nuts.
expand_moreExhaust pipe
expand_moreAll other modifications
At the turbocharger
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace seals and nuts.
expand_moreIgnition system
Spark plugs
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
expand_moreStart system
expand_moreStarter
M12
59 lbf⋅ft59 lbf⋅ft80 N⋅m
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1999 Audi A3 Quattro 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 A3 Quattro 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 1999 Audi A3 Quattro you're not only saving money, but also also improving your technical skills and learning something new.