1991 Toyota Celica Coupe engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Toyota gasoline straight-4 2.0 L 3S-GE engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
All Toyota gasoline straight-4 2.0 L 3S-GTE engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Toyota gasoline straight-4 1.6 L 4A-FE engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All Toyota gasoline straight-4 2.0 L 3S-GE engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
All Toyota gasoline straight-4 1.6 L 4A-FE engines	8.11–11.06 lbf⋅ft8.11–11.06 lbf⋅ft11–15 N⋅m

expand_moreValve cover


All Toyota gasoline straight-4 2.0 L 3S-GE engines	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
All Toyota gasoline straight-4 1.6 L 4A-FE engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing


All Toyota gasoline straight-4 2.0 L 3S-GE engines	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
All Toyota gasoline straight-4 1.6 L 4A-FE engines	25.81–33.19 lbf⋅ft25.81–33.19 lbf⋅ft35–45 N⋅m

expand_moreCrankshaft central screws


All Toyota gasoline straight-4 2.0 L 3S-GE engines	79.66 lbf⋅ft79.66 lbf⋅ft108 N⋅m
All Toyota gasoline straight-4 1.6 L 4A-FE engines	81.13–95.88 lbf⋅ft81.13–95.88 lbf⋅ft110–130 N⋅m

expand_moreDrive plate


2.0 GTi (ST182) with gasoline straight-4 2.0 L 154 HP engine (1989.10–1993.11)	61.22 lbf⋅ft61.22 lbf⋅ft83 N⋅m

expand_moreFlywheel


All Toyota gasoline straight-4 2.0 L 3S-GE engines	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m
All Toyota gasoline straight-4 1.6 L 4A-FE engines	55.32–62.69 lbf⋅ft55.32–62.69 lbf⋅ft75–85 N⋅m

expand_moreMain bearing


All Toyota gasoline straight-4 2.0 L 3S-GE engines	43.52 lbf⋅ft43.52 lbf⋅ft59 N⋅m
All Toyota gasoline straight-4 1.6 L 4A-FE engines	39.83–48.68 lbf⋅ft39.83–48.68 lbf⋅ft54–66 N⋅m

expand_moreEngine control

expand_moreCamshaft drive belt deflection pulley


All Toyota gasoline straight-4 2.0 L 3S-GE engines	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m
All Toyota gasoline straight-4 2.0 L 3S-GTE engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m


Camshaft timing gear	43.52 lbf⋅ft43.52 lbf⋅ft59 N⋅m

expand_moreInlet camshaft wheel


2.0 GTi (ST182) with gasoline straight-4 2.0 L 154 HP engine (1989.10–1993.11)	43.52 lbf⋅ft43.52 lbf⋅ft59 N⋅m

expand_moreOutlet camshaft wheel


2.0 GTi (ST182) with gasoline straight-4 2.0 L 154 HP engine (1989.10–1993.11)	43.52 lbf⋅ft43.52 lbf⋅ft59 N⋅m

expand_moreToothed belt guard at the top


2.0 Turbo 4WD (ST185) with gasoline straight-4 2.0 L 201 HP engine (1989.10–1993.11)	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreToothed belt tensioning roller


All Toyota gasoline straight-4 2.0 L 3S-GE engines	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m
All Toyota gasoline straight-4 2.0 L 3S-GTE engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Toyota gasoline straight-4 1.6 L 4A-FE engines	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


1.6 STI (AT180) with gasoline straight-4 1.6 L 103 HP engine (1989.10–1993.11)	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m


Oil sump	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreEngine management

expand_moreKnock sensor


1.6 STI (AT180) with gasoline straight-4 1.6 L 103 HP engine (1989.10–1993.11)	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m

expand_moreLambda sensor


1.6 STI (AT180) with gasoline straight-4 1.6 L 103 HP engine (1989.10–1993.11)	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket

expand_more2.0 Turbo 4WD (ST185) with gasoline straight-4 2.0 L 201 HP engine (1989.10–1993.11)


Right	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


All Toyota gasoline straight-4 2.0 L 3S-GE engines	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m
All Toyota gasoline straight-4 2.0 L 3S-GTE engines	39.09 lbf⋅ft39.09 lbf⋅ft53 N⋅m
All Toyota gasoline straight-4 1.6 L 4A-FE engines	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m

expand_moreIgnition system


Spark plugs	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1991 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.

Emission

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 1991 Toyota Celica Coupe you're not only saving money, but also also improving your technical skills and learning something new.

1991 Toyota Celica Coupe generations

In 1991 Toyota offered 2 generations of the Celica Coupe. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Fifth generation facelift

AT180, ST18#

1991 Toyota Celica Coupe Fifth generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

1991 Toyota Celica Coupe generations

Fifth generation facelift

Toyota Celica Coupe Fifth generation model years

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