2003 Hyundai XG engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system


Intake manifold	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll Hyundai gasoline V6 2.5 Liters G6AV engines


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


All Hyundai gasoline V6 3.0 Liters G6CT-G engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Valve cover	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Hyundai gasoline V6 2.5 Liters G6AV 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_moreAll Hyundai gasoline V6 3.0 Liters G6CT-G engines


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Second stage	92°92°92°


Crankshaft central screws	132.76–140.14 lbf⋅ft132.76–140.14 lbf⋅ft180–190 N⋅m
Crankshaft pulley	25.81–40.57 lbf⋅ft25.81–40.57 lbf⋅ft35–55 N⋅m
Flywheel	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Screws must be replaced.

expand_moreMain bearing

expand_moreAll Hyundai gasoline V6 2.5 Liters G6AV 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°


All Hyundai gasoline V6 3.0 Liters G6CT-G engines	66.38–73.76 lbf⋅ft66.38–73.76 lbf⋅ft90–100 N⋅m

expand_moreEngine control


Camshaft timing gear	66.38–81.13 lbf⋅ft66.38–81.13 lbf⋅ft90–110 N⋅m

expand_moreToothed belt tightener


With automatic tensioner	14.75–22.13 lbf⋅ft14.75–22.13 lbf⋅ft20–30 N⋅m
Tensioning roller	33.19–40.57 lbf⋅ft33.19–40.57 lbf⋅ft45–55 N⋅m

expand_moreEngine lubrication


Oil drain plug	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreOil sump

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


Lambda sensor	29.5–36.88 lbf⋅ft29.5–36.88 lbf⋅ft40–50 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


All Hyundai gasoline V6 2.5 Liters G6AV engines	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
All Hyundai gasoline V6 3.0 Liters G6CT-G engines	22.13–29.5 lbf⋅ft22.13–29.5 lbf⋅ft30–40 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 Hyundai XG 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 Hyundai 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 Hyundai XG 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 Hyundai XG you're not only saving money, but also also improving your technical skills and learning something new.

2003 Hyundai XG generations

In 2003 Hyundai offered 2 generations of the XG. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

2003 Hyundai XG First generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2003 Hyundai XG generations

First generation facelift

Hyundai XG First generation model years

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