2003 Kia Magentis engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold

expand_moreAll Kia gasoline straight-4 2.0 Liters G4JP engines


Nuts	22.13–29.5 lbf⋅ft22.13–29.5 lbf⋅ft30–40 N⋅m
Stud screws	13.28–18.44 lbf⋅ft13.28–18.44 lbf⋅ft18–25 N⋅m
M8 screws	11.06–14.75 lbf⋅ft11.06–14.75 lbf⋅ft15–20 N⋅m
M10 screws	13.28–18.44 lbf⋅ft13.28–18.44 lbf⋅ft18–25 N⋅m


All Kia gasoline V6 2.5 Liters G6BV engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAuxiliary assemblies


Alternator	25.81–40.57 lbf⋅ft25.81–40.57 lbf⋅ft35–55 N⋅m
Generator bracket	14.75–18.44 lbf⋅ft14.75–18.44 lbf⋅ft20–25 N⋅m

expand_moreCooling system


Coolant pump	14.75–22.13 lbf⋅ft14.75–22.13 lbf⋅ft20–30 N⋅m
Coolant pump pulley	5.9–7.38 lbf⋅ft5.9–7.38 lbf⋅ft8–10 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All Kia gasoline straight-4 2.0 Liters G4JP engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Kia gasoline V6 2.5 Liters G6BV engines


50 mm screws	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
38 mm screws	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreCylinder head screws

expand_moreAll Kia gasoline straight-4 2.0 Liters G4JP engines

Figure 1. Cylinder head, Cylinder head screws, Kia gasoline straight-4 2.0 Liters G4JP.


First stage	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m
Screws must be replaced. See figure 1.
Second stage	Loosen screw(s).
Third stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Fourth stage	90–94°90–94°90–94°
Fifth stage	90–94°90–94°90–94°

expand_moreAll Kia gasoline V6 2.5 Liters G6BV engines

Figure 2. Cylinder head, Cylinder head screws, Kia gasoline V6 2.5 Liters G6BV.


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Cold engine See figure 2.
Second stage	60–64°60–64°60–64°
Third stage	33.19–36.88 lbf⋅ft33.19–36.88 lbf⋅ft45–50 N⋅m

expand_moreCylinder head screws shank length (maximum)


2.0 with gasoline straight-4 2.0 L 134 HP engine (2001.5–)	3.91 in3.91 in99.4 mm


Valve cover	5.9–7.38 lbf⋅ft5.9–7.38 lbf⋅ft8–10 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Kia gasoline straight-4 2.0 Liters G4JP engines


First stage	13.28–16.23 lbf⋅ft13.28–16.23 lbf⋅ft18–22 N⋅m
Second stage	90–94°90–94°90–94°

expand_moreAll Kia gasoline V6 2.5 Liters G6BV engines


First stage	11.8–14.75 lbf⋅ft11.8–14.75 lbf⋅ft16–20 N⋅m
Second stage	90–94°90–94°90–94°

expand_moreCrankshaft central screws


All Kia gasoline straight-4 2.0 Liters G4JP engines	81.13–95.88 lbf⋅ft81.13–95.88 lbf⋅ft110–130 N⋅m
All Kia gasoline V6 2.5 Liters G6BV engines	132.76–140.14 lbf⋅ft132.76–140.14 lbf⋅ft180–190 N⋅m

expand_moreCrankshaft pulley


All Kia gasoline straight-4 2.0 Liters G4JP engines	14.75–22.13 lbf⋅ft14.75–22.13 lbf⋅ft20–30 N⋅m
All Kia gasoline V6 2.5 Liters G6BV engines	25.81–40.57 lbf⋅ft25.81–40.57 lbf⋅ft35–55 N⋅m

expand_moreFlywheel


All Kia gasoline straight-4 2.0 Liters G4JP engines	95.88–103.26 lbf⋅ft95.88–103.26 lbf⋅ft130–140 N⋅m
All Kia gasoline V6 2.5 Liters G6BV engines	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Screws must be replaced.

expand_moreMain bearing

expand_moreAll Kia gasoline straight-4 2.0 Liters G4JP engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Second stage	90–94°90–94°90–94°

expand_moreAll Kia gasoline V6 2.5 Liters G6BV engines

expand_moreM8


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Second stage	90–94°90–94°90–94°

expand_moreM10


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second stage	90–94°90–94°90–94°

expand_moreEngine control


Balance shaft toothed belt tension pulley	11.06–14.75 lbf⋅ft11.06–14.75 lbf⋅ft15–20 N⋅m
Camshaft timing gear	66.38–81.13 lbf⋅ft66.38–81.13 lbf⋅ft90–110 N⋅m
Drive belt tensioner device	14.75–22.13 lbf⋅ft14.75–22.13 lbf⋅ft20–30 N⋅m
Inlet camshaft wheel	59–73.76 lbf⋅ft59–73.76 lbf⋅ft80–100 N⋅m
Outlet camshaft wheel	59–73.76 lbf⋅ft59–73.76 lbf⋅ft80–100 N⋅m
Toothed belt guard	5.9–7.38 lbf⋅ft5.9–7.38 lbf⋅ft8–10 N⋅m
Toothed belt tensioning roller	33.19–40.57 lbf⋅ft33.19–40.57 lbf⋅ft45–55 N⋅m
Toothed belt tightener	33.19–40.57 lbf⋅ft33.19–40.57 lbf⋅ft45–55 N⋅m

expand_moreEngine lubrication


Oil drain plug	25.81–33.19 lbf⋅ft25.81–33.19 lbf⋅ft35–45 N⋅m
Oil filter housing	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOil pump


All Kia gasoline straight-4 2.0 Liters G4JP engines	14.75–22.13 lbf⋅ft14.75–22.13 lbf⋅ft20–30 N⋅m
All Kia gasoline V6 2.5 Liters G6BV engines	8.85–11.06 lbf⋅ft8.85–11.06 lbf⋅ft12–15 N⋅m

expand_moreOil pump chain wheel


2.0 with gasoline straight-4 2.0 L 134 HP engine (2001.5–)	36.88–44.25 lbf⋅ft36.88–44.25 lbf⋅ft50–60 N⋅m

expand_moreOil sump


All Kia gasoline straight-4 2.0 Liters G4JP engines	7.38–8.85 lbf⋅ft7.38–8.85 lbf⋅ft10–12 N⋅m

expand_moreAll Kia gasoline V6 2.5 Liters G6BV engines

expand_moreOil sump top part


152,5 mm screws	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
171,5 mm screws	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
M10 × 38 screws	22.13–29.5 lbf⋅ft22.13–29.5 lbf⋅ft30–40 N⋅m
M8 × 22 screws	14.75–22.13 lbf⋅ft14.75–22.13 lbf⋅ft20–30 N⋅m


Oil sump lower part	7.38–8.85 lbf⋅ft7.38–8.85 lbf⋅ft10–12 N⋅m

expand_moreEngine management


Crankshaft sensor	7.38–8.85 lbf⋅ft7.38–8.85 lbf⋅ft10–12 N⋅m
Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Lambda sensor	29.5–36.88 lbf⋅ft29.5–36.88 lbf⋅ft40–50 N⋅m

expand_moreEngine mounting


Engine mounting	44.25–59 lbf⋅ft44.25–59 lbf⋅ft60–80 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold

expand_moreAll Kia gasoline straight-4 2.0 Liters G4JP engines


M10	25.81–40.57 lbf⋅ft25.81–40.57 lbf⋅ft35–55 N⋅m
M8	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
Otherwise	22.13–29.5 lbf⋅ft22.13–29.5 lbf⋅ft30–40 N⋅m


All Kia gasoline V6 2.5 Liters G6BV engines	22.13–25.81 lbf⋅ft22.13–25.81 lbf⋅ft30–35 N⋅m

expand_moreIgnition system


Spark plugs	14.75–22.13 lbf⋅ft14.75–22.13 lbf⋅ft20–30 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2003 Kia Magentis 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 Kia 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 Kia Magentis 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 2003 Kia Magentis you're not only saving money, but also also improving your technical skills and learning something new.

2003 Kia Magentis First generation facelift Engine Fastener Tightening Specifications

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Conquer your fears and never give up!

Kia Magentis First generation facelift model years

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