1999 Audi TT Quattro engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system


Intake manifold	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAuxiliary assemblies


Auxiliary drive belt tensioner	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAir-conditioning compressor


All Audi gasoline straight-4 1.8 L APX engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Audi gasoline straight-4 1.8 L BAM engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAll other modifications


At the bracket	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


Air-conditioning compressor bracket	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAlternator


All Audi gasoline straight-4 1.8 L APX engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi gasoline straight-4 1.8 L BAM engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll other modifications


At the bracket	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


Generator bracket	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Servo pump pulley	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Servo steering pump	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreCarburetion


Fuel-distributing pipe	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCharging

expand_moreTurbo charger

expand_moreAll Audi gasoline straight-4 1.8 L APX engines


On exhaust manifold	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new seal and screws.


All other modifications	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws. Use hot screw paste.

expand_moreTurbocharger bracket


At the turbocharger	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreTurbocharger coolant feed line


At the turbocharger	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace sealing rings.
On the engine block	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreTurbocharger coolant return line


Banjo screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreTurbocharger oil feed line


Banjo screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace sealing rings.


Turbocharger oil return line	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.

expand_moreCooling system


Coolant pump	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreCylinder head


Camshaft bearing	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCylinder head screws

Figure 1. Cylinder head, Cylinder head screws.


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screws. See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°


Valve cover	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 Audi gasoline straight-4 1.8 L APX engines


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace bolt.
Second stage	90°90°90°

expand_moreAll other modifications


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 drive belt deflection pulley	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Camshaft timing gear	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreDrive belt tensioner device

expand_moreAll Audi gasoline straight-4 1.8 L APX engines


M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Tensioning roller	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreAll other modifications


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
Use screw-locking compound.
Toothed belt tensioning roller	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreToothed belt tightener

expand_moreAll Audi gasoline straight-4 1.8 L APX engines


M7	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Tensioning roller	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreAll other modifications


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


All Audi gasoline straight-4 1.8 L APX engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All Audi gasoline straight-4 1.8 L BAM engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

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

expand_moreEngine management


Lambda sensor	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket


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

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


Exhaust manifold	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace nuts.

expand_moreIgnition system


Spark plugs	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreStart system

expand_moreStarter

expand_moreAll Audi gasoline straight-4 1.8 L APX engines

expand_moreWith manual transmission


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M12	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreAll other modifications


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 1999 Audi TT 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.

Maintenance Items

Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

Service Intervals

Conquer your fears and never give up!

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 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 TT Quattro you're not only saving money, but also also improving your technical skills and learning something new.

1999 Audi TT Quattro First generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi TT Quattro First generation model years

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