2003 Toyota Corolla Sedan engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All other modifications	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt tensioner


Central screws	50.89 lbf⋅ft50.89 lbf⋅ft69 N⋅m
Nuts	21.39 lbf⋅ft21.39 lbf⋅ft29 N⋅m


Hydraulic lines at the servo-steering pump	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m
Servo pump pulley	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m

expand_moreServo steering pump


All other modifications	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All other modifications	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreValve cover


All other modifications	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll other modifications


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	90°90°90°

expand_moreCrankshaft central screws


All other modifications	101.78 lbf⋅ft101.78 lbf⋅ft138 N⋅m

expand_moreFlywheel


All other modifications	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m

expand_moreEngine control

expand_moreCamshaft timing gear


All other modifications	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m


Chain tensioner	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreInlet camshaft wheel


Central camshaft screws	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m


Outlet camshaft wheel	39.83 lbf⋅ft39.83 lbf⋅ft54 N⋅m

expand_moreTiming case cover

expand_moreAt the cylinder head


Nuts and screws	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreOn the engine block


Code range 10 mm	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Code range 12 mm	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m


Stud screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt tensioning roller


All other modifications	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m

expand_moreToothed belt tightener


On the engine block	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All other modifications	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
Replace sealing rings.

expand_moreOil pump


All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreOil sump


All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine management


Camshaft sensor	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Lambda sensor	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreAll other modifications

expand_moreOn the engine block


Right	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m

expand_moreEngine mounting


Right	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


All other modifications	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m

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

2003 Toyota Corolla Sedan generations

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

Ninth generation

MC platform

CDE120, NDE120, ZZE12#, NZE120, ZRE120, ZZE130

2003 Toyota Corolla Sedan Eighth generation facelift Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2003 Toyota Corolla Sedan generations

Ninth generation

Toyota Corolla Sedan Eighth generation facelift model years

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