2016 Toyota iQ engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley


1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAuxiliary drive belt tensioner

expand_moreAll Toyota gasoline straight-3 1.0 L 1KR-FE engines

expand_moreScrews


Bottom	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
Top	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m


All Toyota diesel straight-4 1.4 L 1ND-TV engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	15.49 lbf⋅ft15.49 lbf⋅ft21 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_moreAll Toyota gasoline straight-3 1.0 L 1KR-FE engines


Bottom	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
Top	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m

expand_moreAll Toyota diesel straight-4 1.4 L 1ND-TV engines

expand_moreScrews


Bottom	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m
Top	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreGenerator bracket


1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreTensioning device for air-conditioning compressor auxiliary drive belt


On the engine block	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Tensioning roller	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m

expand_moreVacuum pump


1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreCarburetion

expand_moreFuel-distributing pipe


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
All Toyota diesel straight-4 1.4 L 1ND-TV engines	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreInjection hoses


1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreInjection nozzle (injector)


1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreInjection pump


1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreCooling system

expand_moreCoolant pump


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Toyota diesel straight-4 1.4 L 1ND-TV engines	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreAll Toyota gasoline straight-4 1.3 L 1NR-FE engines


Center	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Bottom	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
Top	52.37 lbf⋅ft52.37 lbf⋅ft71 N⋅m

expand_moreCoolant pump pulley


1.33 with gasoline straight-4 1.3 L 97 HP engine (2009.1–)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll Toyota gasoline straight-3 1.0 L 1KR-FE engines


Bearing cap 1	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Bearing cap 2 – 4	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m


All Toyota diesel straight-4 1.4 L 1ND-TV engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreCylinder head screw minimum diameter


1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)	0.44 in0.44 in11.2 mm

expand_moreCylinder head screws

expand_moreAll Toyota gasoline straight-3 1.0 L 1KR-FE engines

Figure 1. Cylinder head, Cylinder head screws, Toyota gasoline straight-3 1.0 L 1KR-FE.


First stage	23.6 lbf⋅ft23.6 lbf⋅ft32 N⋅m
See figure 1.
Second stage	180°180°180°

expand_moreAll Toyota diesel straight-4 1.4 L 1ND-TV engines

Figure 2. Cylinder head, Cylinder head screws, Toyota diesel straight-4 1.4 L 1ND-TV.


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
See figure 2.
Second stage	90°90°90°
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreAll Toyota gasoline straight-4 1.3 L 1NR-FE engines

Figure 3. Cylinder head, Cylinder head screws, Toyota gasoline straight-4 1.3 L 1NR-FE.


First stage	23.6 lbf⋅ft23.6 lbf⋅ft32 N⋅m
See figure 3.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreCylinder head screws shank length (maximum)


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	4.86 in4.86 in123.5 mm
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	5.05 in5.05 in128.2 mm

expand_moreCylinder head screws shank length (new)


1.33 with gasoline straight-4 1.3 L 97 HP engine (2009.1–)	4.93–4.99 in4.93–4.99 in125.3–126.7 mm

expand_moreValve cover


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Toyota diesel straight-4 1.4 L 1ND-TV engines	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreValve play adjusting screw lock nuts

expand_more1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)


With a special tool	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Otherwise	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing


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

expand_moreCrankshaft central screws


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	132.76 lbf⋅ft132.76 lbf⋅ft180 N⋅m
All Toyota diesel straight-4 1.4 L 1ND-TV engines	154.89 lbf⋅ft154.89 lbf⋅ft210 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	94.41 lbf⋅ft94.41 lbf⋅ft128 N⋅m

expand_moreDrive plate


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	57.53 lbf⋅ft57.53 lbf⋅ft78 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m

expand_moreFlywheel


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	57.53 lbf⋅ft57.53 lbf⋅ft78 N⋅m

expand_moreAll Toyota diesel straight-4 1.4 L 1ND-TV engines


First stage	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
Second stage	90°90°90°


All Toyota gasoline straight-4 1.3 L 1NR-FE engines	57.53 lbf⋅ft57.53 lbf⋅ft78 N⋅m

expand_moreMain bearing


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	43.52 lbf⋅ft43.52 lbf⋅ft59 N⋅m
Tighten the screws evenly from inside to outside in several steps.

expand_moreAll Toyota diesel straight-4 1.4 L 1ND-TV engines


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Second stage	90°90°90°

expand_moreAll Toyota gasoline straight-4 1.3 L 1NR-FE engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second stage	90°90°90°

expand_moreEngine control

expand_moreCamshaft timing chain slip rail


1.33 with gasoline straight-4 1.3 L 97 HP engine (2009.1–)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCamshaft timing chain tensioning rail


1.33 with gasoline straight-4 1.3 L 97 HP engine (2009.1–)	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreCamshaft timing gear


1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreChain tensioner


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
All Toyota diesel straight-4 1.4 L 1ND-TV engines	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreControl drive chain guide rail


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Toyota diesel straight-4 1.4 L 1ND-TV engines	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreControl drive chain tensioning rail


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreInlet camshaft wheel


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m

expand_moreOutlet camshaft wheel


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m

expand_moreEngine lubrication

expand_moreOil cooler


1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreOil drain plug


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Toyota diesel straight-4 1.4 L 1ND-TV engines	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
Replace sealing rings.
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace sealing rings.

expand_moreOil filter housing

expand_moreAll Toyota diesel straight-4 1.4 L 1ND-TV engines


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
On the engine block	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
Replace sealing rings.

expand_moreAll Toyota gasoline straight-4 1.3 L 1NR-FE engines


Oil filter cover	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace sealing rings.
Oil filter drain plug	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Replace sealing rings.

expand_moreOil sump

expand_moreAll Toyota gasoline straight-3 1.0 L 1KR-FE engines

Figure 4. Engine lubrication, Oil sump, Toyota gasoline straight-3 1.0 L 1KR-FE.


Screws 1 – 9	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
See figure 4.
Screws 10 – 15	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Toyota diesel straight-4 1.4 L 1ND-TV engines


Oil sump lower part	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAll Toyota gasoline straight-4 1.3 L 1NR-FE engines


Oil sump lower part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine management

expand_moreCamshaft sensor


All Toyota diesel straight-4 1.4 L 1ND-TV engines	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCrankshaft sensor


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreGlow plugs


1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m


Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreLambda sensor


1.0 with gasoline straight-3 1.0 L 67 HP engine (2009.1–)	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m

expand_moreExhaust system

expand_moreCatalytic converter

expand_more1.4 D-4D with diesel straight-4 1.4 L 89 HP engine (2009.1–)


At the turbocharger	19.18 lbf⋅ft19.18 lbf⋅ft26 N⋅m

expand_moreExhaust manifold


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
All Toyota diesel straight-4 1.4 L 1ND-TV engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreExhaust pipe


1.33 with gasoline straight-4 1.3 L 97 HP engine (2009.1–)	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


All Toyota gasoline straight-3 1.0 L 1KR-FE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Toyota gasoline straight-4 1.3 L 1NR-FE engines	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 2016 Toyota iQ 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 iQ 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 2016 Toyota iQ you're not only saving money, but also also improving your technical skills and learning something new.

2016 Toyota iQ First generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Toyota iQ First generation model years

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