2003 Toyota Celica Coupe engine fastener tightening specifications

in your garage to make future searches easy.

Condition	Value

expand_moreAir intake system


Intake manifold	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreAuxiliary assemblies


Air-conditioning compressor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Servo steering pump	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m

expand_moreCooling system

expand_moreCoolant pump


30 mm screws	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
35 mm screws	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m


Coolant pump pulley	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Radiator drain screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


Bearing cover on camshaft pulley	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Remaining bearing caps	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreCylinder head screws

Figure 1. Cylinder head, Cylinder head screws.


First stage	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
Replace screws. See figure 1.
Second stage	90°90°90°

expand_moreValve cover


With plain washer	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Without plain washers	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing


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


Crankshaft central screws	101.78 lbf⋅ft101.78 lbf⋅ft138 N⋅m
Flywheel	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
Use new screw.

expand_moreMain bearing

expand_moreBi-hexagon screws


First stage	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Second stage	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m
Third stage	45°45°45°
Fourth stage	45°45°45°

expand_moreHexagon head screws


Fifth stage	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreEngine control


Camshaft adjuster	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Camshaft timing chain guide rail	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
Camshaft timing chain tensioning rail	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
Camshaft timing gear	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Chain tensioner	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine lubrication


Oil drain plug	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
Replace sealing rings.

expand_moreOil filter


Banjo screws	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Otherwise	Tighten by hand


Oil pump	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Oil sump	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine management


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

expand_moreEngine mounting


Engine bracket	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m
Engine mounting	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m

expand_moreExhaust system


Exhaust manifold	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m

expand_moreIgnition system


Spark plugs	13.28 lbf⋅ft13.28 lbf⋅ft18 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 2003 Toyota Celica Coupe 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 Celica Coupe 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 Celica Coupe you're not only saving money, but also also improving your technical skills and learning something new.

2003 Toyota Celica Coupe Seventh generation facelift Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Toyota Celica Coupe Seventh generation facelift model years

Suggest edit