2015 Toyota Aygo engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system


Intake manifold	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreAuxiliary assemblies


Auxiliary drive belt tensioner	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m
Air-conditioning compressor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Air-conditioning compressor pressure line	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAlternator

expand_moreScrews


Bottom	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
Top	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m

expand_moreCarburetion


Exhaust gas return valve	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Fuel-distributing pipe	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreCooling system


Coolant pump	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreScrews 1 – 12

Figure 1. Cylinder head, Camshaft bearing, Screws 1 – 12.


First stage	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
See figure 1.

expand_moreScrews 13 – 15


Second stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreCylinder head screws

Figure 2. Cylinder head, Cylinder head screws.


First stage	23.6 lbf⋅ft23.6 lbf⋅ft32 N⋅m
Heed bolt length. See figure 2.
Second stage	180°180°180°


Cylinder head screws shank length (maximum)	4.86 in4.86 in123.5 mm
Cylinder head screws shank length (new)	4.8 in4.8 in122 mm
Figure 3. Cylinder head.
Valve cover	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
See figure 3.

expand_moreEngine block

expand_moreConnecting rod bearing


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Second stage	90°90°90°


Crankshaft central screws	125.39 lbf⋅ft125.39 lbf⋅ft170 N⋅m
Flywheel	57.53 lbf⋅ft57.53 lbf⋅ft78 N⋅m
Use screw-locking compound.
Main bearing	43.52 lbf⋅ft43.52 lbf⋅ft59 N⋅m
Tighten bolts uniformly in several passes.

expand_moreEngine control


Camshaft timing chain guide rail	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Camshaft timing chain tensioner	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Camshaft timing chain tensioning rail	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Inlet camshaft wheel	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m
Outlet camshaft wheel	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m

expand_moreTiming case cover

Figure 4. Engine control, Timing case cover.


Screws 1 – 4	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m
See figure 4.
Screws 5 – 9	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Screws 10 – 15	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Screws 16 – 20	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreEngine lubrication


Oil drain plug	21.39 lbf⋅ft21.39 lbf⋅ft29 N⋅m
Replace sealing rings.

expand_moreOil sump


Screws 1 – 9	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
See figure 5.
Screws 10	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine management


Camshaft sensor	5.53 lbf⋅ft5.53 lbf⋅ft7.5 N⋅m
Crankshaft sensor	5.53 lbf⋅ft5.53 lbf⋅ft7.5 N⋅m
Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Lambda sensor	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m

expand_moreEngine mounting


On chassis	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m
On timing case cover	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m

expand_moreSubframe

expand_moreOn chassis


Front	62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m
Rear	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m

expand_moreTorque arm


At the subframe	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m
Onto torque support bracket	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m

expand_moreTorque support bracket


At the gearbox	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m

expand_moreExhaust system


Catalytic converter	21.39 lbf⋅ft21.39 lbf⋅ft29 N⋅m
Catalytic converter bracket	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreExhaust manifold


Stud screws	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m


Exhaust pipe	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
Exhaust pipe rear	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m

expand_moreIgnition system


Spark plugs	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreStart system


Starter	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2015 Toyota Aygo 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 Toyota 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 Toyota Aygo 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 2015 Toyota Aygo you're not only saving money, but also also improving your technical skills and learning something new.

2015 Toyota Aygo Second generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Toyota Aygo Second generation model years

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