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
First stage
66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Use new screw.
Second stage
90°90°90°
expand_moreCrankshaft pulley
Class 10.9
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_moreClass 8.8 screws
First stage
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage
90°90°90°
expand_moreDrive plate
First stage
44.25 lbf⋅ft44.25 lbf⋅ft60 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°
expand_moreMain bearing
First stage
47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Use new screws.
Second stage
90°90°90°
expand_moreVibration damper
Class 10.9
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
expand_moreClass 8.8 screws
First stage
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage
90°90°90°
expand_moreEngine control
Camshaft adjuster
7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Camshaft timing gear
47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
expand_moreDrive belt tensioner device
M7
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
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
Toothed belt tensioning roller
19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
expand_moreToothed belt tightener
M7
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M8
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Tensioning roller
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 filter housing
First stage
11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage
90°90°90°
Oil pump
11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Oil pump chain wheel
16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
expand_moreOil sump
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
expand_moreEngine management
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_moreOn chassis
First stage
29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage
90°90°90°
expand_moreOn engine bracket
First stage
44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage
90°90°90°
Strut
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
expand_moreSubframe
expand_moreOn chassis
First stage
73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Second stage
90°90°90°
expand_moreTorque arm
At the subframe
18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
At the gearbox
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
expand_moreExhaust system
Exhaust manifold
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
expand_moreIgnition system
Spark plugs
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
expand_moreStart system
expand_moreStarter
With automatic gearbox
59 lbf⋅ft59 lbf⋅ft80 N⋅m
expand_moreWith manual transmission
M10
33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M12
47.94 lbf⋅ft47.94 lbf⋅ft65 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 TT 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 TT 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 TT you're not only saving money, but also also improving your technical skills and learning something new.
