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Condition Value
expand_moreEngine tightening torques
expand_moreAir intake system
expand_moreIntake manifold
All Alfa Romeo gasoline V6 2.0 L AR 34102 engines 18.44 lbf⋅ft
All Alfa Romeo gasoline straight-4 2.0 L AR 34103 engines 12.5415.49 lbf⋅ft
All Alfa Romeo diesel straight-5 2.4 L AR 34202 engines 15.4919.18 lbf⋅ft
All other modifications 14.0116.96 lbf⋅ft
expand_moreAuxiliary assemblies
expand_moreAuxiliary drive belt deflection pulley
M10 31.7239.09 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
All other modifications 12.5415.49 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
Alfa Romeo gasoline V6 2.5 L AR 34201 188 HP at 6200 RPM, 222 N⋅m at 5000 RPM 12.5415.49 lbf⋅ft
Alfa Romeo gasoline V6 2.0 L AR 34102 202 HP at 6000 RPM, 280 N⋅m at 2500 RPM 12.5415.49 lbf⋅ft
Alfa Romeo gasoline V6 3.0 L AR 34302 223 HP 12.5415.49 lbf⋅ft
Alfa Romeo gasoline V6 3.0 L AR 34301 223 HP at 6200 RPM, 275 N⋅m at 5000 RPM 12.5415.49 lbf⋅ft
expand_moreAll other modifications
M10 31.7239.09 lbf⋅ft
M8 16.9620.65 lbf⋅ft
All other modifications 33.1940.57 lbf⋅ft
Tensioning roller eccentric
expand_moreCarburetion
expand_moreInjection nozzle (injector)
All other modifications 19.1823.6 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
All Alfa Romeo gasoline V6 2.0 L AR 34102 engines 11.813.28 lbf⋅ft
M7 9.5911.8 lbf⋅ft
All Alfa Romeo diesel straight-5 2.4 L AR 34202 engines 9.5911.8 lbf⋅ft
All other modifications 13.2814.75 lbf⋅ft
expand_moreCylinder head screws
First stage 17.719.18 lbf⋅ft
Second stage 240°
expand_moreValve cover
All Alfa Romeo gasoline V6 2.0 L AR 34102 engines 7.389.59 lbf⋅ft
M6 5.97.38 lbf⋅ft
All Alfa Romeo diesel straight-5 2.4 L AR 34202 engines 5.97.38 lbf⋅ft
All other modifications 13.2815.49 lbf⋅ft
expand_moreEngine block
expand_moreConnecting rod bearing
First stage 17.719.18 lbf⋅ft
Second stage 60°
expand_moreAll other modifications
First stage 14.0115.49 lbf⋅ft
Second stage 4852°
expand_moreCrankshaft central screws
All Alfa Romeo gasoline straight-4 2.0 L AR 34103 engines 250.77278.8 lbf⋅ft
All Alfa Romeo diesel straight-5 2.4 L AR 34202 engines 225.69278.8 lbf⋅ft
All other modifications 147.51182.18 lbf⋅ft
expand_moreCrankshaft pulley
Alfa Romeo diesel straight-5 2.4 L AR 34202 134 HP at 4000 RPM, 304 N⋅m at 2000 RPM 15.4919.18 lbf⋅ft
M6 15.4919.18 lbf⋅ft
M8 19.9125.08 lbf⋅ft
All other modifications 147.51182.18 lbf⋅ft
Drive plate 101.05111.37 lbf⋅ft
expand_moreFlywheel
All Alfa Romeo gasoline V6 2.0 L AR 34102 engines 101.05111.37 lbf⋅ft
All Alfa Romeo gasoline straight-4 2.0 L AR 34103 engines 100.31123.91 lbf⋅ft
All Alfa Romeo gasoline V6 2.5 L AR 34201 engines 85.5695.15 lbf⋅ft
All Alfa Romeo diesel straight-5 2.4 L AR 34202 engines 100.31123.91 lbf⋅ft
All Alfa Romeo gasoline V6 3.0 L AR 34301 engines 85.5695.15 lbf⋅ft
All Alfa Romeo gasoline V6 3.0 L AR 34302 engines 85.5695.15 lbf⋅ft
expand_moreAll other modifications
M12 106.21129.81 lbf⋅ft
Replace screws.
expand_moreMain bearing
First stage 17.719.18 lbf⋅ft
Second stage 100°
expand_moreAll other modifications
First stage 17.719.18 lbf⋅ft
Second stage 7781°
expand_moreEngine control
expand_moreBalance shaft toothed belt tension pulley
M8 7.389.59 lbf⋅ft
expand_moreCamshaft timing gear
Alfa Romeo diesel straight-5 2.4 L AR 34202 134 HP at 4000 RPM, 304 N⋅m at 2000 RPM 75.2392.93 lbf⋅ft
M12 73.7691.46 lbf⋅ft
M6 7.389.59 lbf⋅ft
Alfa Romeo gasoline V6 3.0 L AR 34302 223 HP 50.1561.96 lbf⋅ft
Alfa Romeo gasoline V6 3.0 L AR 34301 223 HP at 6200 RPM, 275 N⋅m at 5000 RPM 50.1561.96 lbf⋅ft
All other modifications 88.51 lbf⋅ft
expand_moreDrive belt tensioner device
expand_more2.0 V6 (936A3___) with gasoline V6 2.0 L 202 HP at 6000 RPM, 280 N⋅m at 2500 RPM engine (1998.9–2000.10)
M8 12.5415.49 lbf⋅ft
expand_moreInlet camshaft wheel
M6 7.389.59 lbf⋅ft
All Alfa Romeo gasoline V6 2.5 L AR 34201 engines 50.1561.96 lbf⋅ft
expand_moreOutlet camshaft wheel
M12 75.2392.93 lbf⋅ft
All Alfa Romeo gasoline V6 2.5 L AR 34201 engines 50.1561.96 lbf⋅ft
expand_moreToothed belt tensioning roller
Alfa Romeo diesel straight-5 2.4 L AR 34202 134 HP at 4000 RPM, 304 N⋅m at 2000 RPM 31.7239.09 lbf⋅ft
M8 15.4919.18 lbf⋅ft
Alfa Romeo gasoline V6 2.5 L AR 34201 188 HP at 6200 RPM, 222 N⋅m at 5000 RPM 12.5415.49 lbf⋅ft
M8 12.5415.49 lbf⋅ft
Alfa Romeo gasoline V6 3.0 L AR 34302 223 HP 12.5415.49 lbf⋅ft
Alfa Romeo gasoline V6 3.0 L AR 34301 223 HP at 6200 RPM, 275 N⋅m at 5000 RPM 12.5415.49 lbf⋅ft
All other modifications 33.1940.57 lbf⋅ft
expand_moreToothed belt tightener
All Alfa Romeo gasoline straight-4 2.0 L AR 34103 engines 15.4919.18 lbf⋅ft
All Alfa Romeo diesel straight-5 2.4 L AR 34202 engines 30.9838.35 lbf⋅ft
All other modifications 12.5415.49 lbf⋅ft
expand_moreEngine lubrication
expand_moreOil drain plug
All Alfa Romeo gasoline V6 2.0 L AR 34102 engines 47.258.27 lbf⋅ft
All Alfa Romeo gasoline V6 2.5 L AR 34201 engines 47.258.27 lbf⋅ft
All Alfa Romeo gasoline V6 3.0 L AR 34301 engines 49.4258.27 lbf⋅ft
All Alfa Romeo gasoline V6 3.0 L AR 34302 engines 49.4258.27 lbf⋅ft
All other modifications 12.5415.49 lbf⋅ft
Oil filter housing 10.3314.75 lbf⋅ft
expand_moreOil sump
All Alfa Romeo gasoline V6 2.0 L AR 34102 engines 9.5911.8 lbf⋅ft
M6 5.97.38 lbf⋅ft
M8 15.4919.18 lbf⋅ft
M6 5.97.38 lbf⋅ft
M8 15.4919.18 lbf⋅ft
All other modifications 7.3811.06 lbf⋅ft
expand_moreEngine management
Glow plugs 9.5911.8 lbf⋅ft
Lambda sensor 33.19 lbf⋅ft
expand_moreExhaust system
expand_moreExhaust manifold
All Alfa Romeo gasoline V6 2.0 L AR 34102 engines 18.44 lbf⋅ft
All Alfa Romeo gasoline straight-4 2.0 L AR 34103 engines 12.5415.49 lbf⋅ft
All Alfa Romeo diesel straight-5 2.4 L AR 34202 engines 15.4919.18 lbf⋅ft
All other modifications 14.0116.96 lbf⋅ft
expand_moreIgnition system
expand_moreSpark plugs
All Alfa Romeo gasoline V6 2.0 L AR 34102 engines 15.4919.18 lbf⋅ft
M10 11.06 lbf⋅ft
M14 20.65 lbf⋅ft
expand_morePower transmission tightening torques
expand_moreClutch
expand_moreClutch pressure plate
All Alfa Romeo gasoline straight-4 2.0 L AR 34103 engines 14.7518.44 lbf⋅ft
All Alfa Romeo diesel straight-5 2.4 L AR 34202 engines 14.0116.96 lbf⋅ft
All other modifications 19.1822.13 lbf⋅ft
expand_moreGearbox lubrication
expand_moreGearbox oil drain plug
expand_moreAll other modifications
expand_moreWith manual transmission
M18 11.819.18 lbf⋅ft
M22 22.1335.4 lbf⋅ft
expand_moreGearbox oil filler plug
With manual transmission 36.88 lbf⋅ft
expand_moreSuspension front tightening torques
expand_moreFront axle brake
expand_moreBrake hose
At the brake caliper 11.0614.01 lbf⋅ft
At the brake line 11.0614.01 lbf⋅ft
Front axle brake caliper 18.4422.13 lbf⋅ft
Front axle brake caliper mounting support 112.11123.91 lbf⋅ft
Front axle brake disc 9.5915.49 lbf⋅ft
expand_moreFront axle steering
Track rod end on stub axle 21.3926.55 lbf⋅ft
Track rod end on track rod 31.7234.67 lbf⋅ft
expand_moreWheel suspension
Wheel hub wheel bearing 262.57295.02 lbf⋅ft
expand_moreWheels and tires
expand_moreWheel attachment
Aluminium rims 61.2275.97 lbf⋅ft
Steel rims 53.8466.38 lbf⋅ft
expand_moreSuspension rear tightening torques
expand_moreRear axle brake
Rear axle brake caliper 18.4422.13 lbf⋅ft
Rear axle brake caliper mounting support 39.8344.25 lbf⋅ft
Rear axle brake disc 5.99.59 lbf⋅ft
expand_moreRear axle wheel suspension
Wheel hub wheel bearing 224.22247.82 lbf⋅ft
expand_moreWheels and tires
expand_moreWheel attachment
Aluminium rims 61.2275.97 lbf⋅ft
Steel rims 53.8466.38 lbf⋅ft

When assembling your 1999 Alfa Romeo 166 it's important to tight threaded fasteners with Alfa Romeo prescribed torques using a torque wrench. If the torque values is lower then prescribed, bolt may unscrew itself and assembly may fall apart. If the torque value is higher then prescribed, bolt may simply break. The torque wrench allows you to tighten all bolts of the assembly with the same torque applied.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1999 Alfa Romeo 166 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 Alfa Romeo 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 Alfa Romeo 166 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 Alfa Romeo 166 you're not only saving money, but also also improving your technical skills and learning something new.

Alfa Romeo 166 Series 1 model years

Units:
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