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Condition Value
expand_moreAir intake system
Intake manifold 6.64 lbf⋅ft
expand_moreIntake manifold support
On intake manifold 7.38 lbf⋅ft
On the engine block 14.75 lbf⋅ft
expand_moreAuxiliary assemblies
expand_moreAuxiliary drive belt tensioner
First stage 5.9 lbf⋅ft
Second stage 45°
expand_moreAir-conditioning compressor
expand_moreAluminium screws
First stage 5.9 lbf⋅ft
Replace aluminum screws.
Second stage 180°
Steel screws 18.44 lbf⋅ft
Alternator 18.44 lbf⋅ft
expand_moreGenerator bracket
First stage Tighten by hand
Tighten the screws evenly from inside to outside in several steps.
Second stage 14.75 lbf⋅ft
Third stage 90°
expand_moreCarburetion
Fuel-distributing pipe 6.64 lbf⋅ft
expand_moreHigh-pressure line
On high-pressure pump 19.91 lbf⋅ft
Oil thread.
On rail 14.75 lbf⋅ft
oil lightly
expand_moreHigh-pressure pump
First stage Tighten by hand
Replace screws.
Second stage 14.75 lbf⋅ft
expand_morePressure tube connection
On high-pressure pump 29.5 lbf⋅ft
Replace components.
expand_moreCharging
Charge air pipes 6.64 lbf⋅ft
expand_moreTurbo charger
At the cylinder head 18.44 lbf⋅ft
Replace nuts.
Turbocharger bracket 22.13 lbf⋅ft
Turbocharger coolant feed line 6.64 lbf⋅ft
Turbocharger coolant return line 6.64 lbf⋅ft
Turbocharger oil feed line 6.64 lbf⋅ft
Turbocharger oil return line 7.38 lbf⋅ft
expand_moreCooling system
Coolant pump 6.64 lbf⋅ft
Tighten the screws crosswise.
expand_moreCoolant pump drive wheel
First stage 7.38 lbf⋅ft
Use new screw.
Second stage 90°
Fan wheel 3.69 lbf⋅ft
Radiator mounting 3.69 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
Figure 1. Cylinder head, Camshaft bearing.
Figure 1. Cylinder head, Camshaft bearing.
First stage Tighten bolt(s) until hand-tight.
Use new screws. See figure 1.
Second stage 5.9 lbf⋅ft
Tighten bearing caps in the sequence of their numbering.
Third stage 90°
expand_moreCylinder head screws
Figure 2. Cylinder head, Cylinder head screws.
Figure 2. Cylinder head, Cylinder head screws.
First stage 29.5 lbf⋅ft
Replace screws. See figure 2.
Second stage 90°
Third stage 90°
expand_moreScrew 11
Fourth stage 2.95 lbf⋅ft
Fifth stage 90°
expand_moreEngine block
expand_moreBalance shaft module
expand_moreOn the engine block
First stage 2.95 lbf⋅ft
Replace screws.
Second stage 45°
expand_moreConnecting rod bearing
First stage 33.19 lbf⋅ft
Replace screw, wash and slightly oil.
Second stage 90°
expand_moreCrankcase ventilation
On camshaft housing 6.64 lbf⋅ft
Tighten screws crosswise.
expand_moreCrankshaft central screws
First stage 110.63 lbf⋅ft
Use new screw.
Second stage 90°
expand_moreFlywheel
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreMain bearing
Figure 3. Engine block, Main bearing.
Figure 3. Engine block, Main bearing.
First stage Tighten by hand
Use new screws. See figure 3.
expand_moreScrews 1 – 10
Second stage 47.94 lbf⋅ft
Third stage 90°
expand_moreScrew 11
Fourth stage 14.75 lbf⋅ft
Fifth stage 90°
expand_moreEngine control
Balance shaft timing chain guide rail 14.75 lbf⋅ft
Balance shaft timing chain tension rail 14.75 lbf⋅ft
expand_moreBottom part of the control unit housing
First stage 5.9 lbf⋅ft
Tighten screws crosswise.
Second stage 45°
Camshaft adjuster 25.81 lbf⋅ft
Left-hand thread
Control drive chain guide rail 14.75 lbf⋅ft
expand_moreControl drive chain tensioner
First stage 2.95 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreControl drive timing chain slip rail
Balance shaft timing chain 14.75 lbf⋅ft
expand_moreControl unit for intake valve timing
First stage 2.95 lbf⋅ft
Replace screws.
Second stage 45°
Drive chain balance shaft tensioner 62.69 lbf⋅ft
expand_moreIntermediate shaft chain sprocket
First stage 7.38 lbf⋅ft
Replace screws.
Second stage Turn sprocket wheel
Third stage for freedom from play
Fourth stage 18.44 lbf⋅ft
Fifth stage 90°
Oil pump drive chain tensioner 6.64 lbf⋅ft
Tension rail bearing screws 14.75 lbf⋅ft
expand_moreToothed belt guard
Coolant pump 6.64 lbf⋅ft
Top part of control unit housing 6.64 lbf⋅ft
Tighten screws crosswise.
expand_moreEngine lubrication
Oil cooler 5.9 lbf⋅ft
Replace screws.
Oil drain plug 22.13 lbf⋅ft
Replace sealing rings.
expand_moreOil filter
Oil filter cover 18.44 lbf⋅ft
Replace the O ring.
expand_moreOil filter housing
First stage Screw in screws by hand.
Use new screws and tighten them crosswise.
Second stage 14.75 lbf⋅ft
Third stage 90°
Oil pressure sensor 14.75 lbf⋅ft
expand_moreOil pump
First stage 2.95 lbf⋅ft
Replace screws.
Second stage 45°
expand_moreOil sump
expand_moreOil sump top part (screws 1 – 14)
Figure 4. Engine lubrication, Oil sump, Oil sump top part (screws 1 – 14).
Figure 4. Engine lubrication, Oil sump, Oil sump top part (screws 1 – 14).
First stage 5.9 lbf⋅ft
See figure 4.
expand_moreOil sump top part (screws 1 and 2)
Second stage 180°
expand_moreOil sump top part (screw 10)
Fourth stage 180°
expand_moreOil sump top part (screws 11 – 14)
Fifth stage 90°
expand_moreOil sump top part (screws 3 – 9)
Third stage 45°
expand_morePlastic oil sump
Figure 5. Engine lubrication, Oil sump, Plastic oil sump.
Figure 5. Engine lubrication, Oil sump, Plastic oil sump.
First stage 5.9 lbf⋅ft
See figure 5.
Second stage 90°
expand_moreSheet-steel sump
Figure 6. Engine lubrication, Oil sump, Sheet-steel sump.
Figure 6. Engine lubrication, Oil sump, Sheet-steel sump.
First stage 5.9 lbf⋅ft
See figure 6.
Second stage 45°
expand_moreEngine management
Camshaft sensor 7.38 lbf⋅ft
Charge air pressure sensor 3.69 lbf⋅ft
expand_moreCrankshaft sensor
First stage 2.95 lbf⋅ft
Second stage 45°
expand_moreKnock sensor
First stage 5.9 lbf⋅ft
Second stage 90°
Lambda sensor 40.57 lbf⋅ft
Use hot screw paste
expand_moreEngine mounting
expand_moreEngine mounting
expand_moreOn engine bracket
First stage 14.75 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreSubframe
First stage 51.63 lbf⋅ft
Replace screws.
Second stage 90°
expand_moreTorque arm
expand_moreAt the subframe
First stage 29.5 lbf⋅ft
Replace screws.
Second stage 90°
Replace screws.
expand_moreAt the gearbox
First stage 22.13 lbf⋅ft
Replace screws.
Second stage 90°
Replace screws.
expand_moreExhaust system
expand_moreCatalytic converter
Clamps 11.06 lbf⋅ft
expand_moreCatalytic converter bracket
First stage Screw in new screw(s) manually as
far as it goes.
Second stage 14.75 lbf⋅ft
Exhaust manifold heat shields 7.38 lbf⋅ft
expand_moreExhaust pipe
Clamps 16.96 lbf⋅ft
expand_moreExhaust pipe bracket
On chassis 14.75 lbf⋅ft
expand_moreExhaust pipe rear
Clamps 16.96 lbf⋅ft
expand_moreIgnition system
Spark plugs 22.13 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2017 Audi A1 S1 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.

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 A1 S1 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 2017 Audi A1 S1 you're not only saving money, but also also improving your technical skills and learning something new.

Audi A1 S1 First generation model years

Units:
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