1990 Toyota Corolla Compact engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system


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

expand_moreCarburetion


Injection nozzle (injector)	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


Toyota diesel straight-4 1.8 L 1C 63 HP	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
Toyota diesel straight-4 1.8 L 1C 66 HP	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
All other modifications	8.11–11.06 lbf⋅ft8.11–11.06 lbf⋅ft11–15 N⋅m

expand_moreCylinder head screws

expand_moreToyota gasoline straight-4 1.6 L 4A-FE 103 HP

Figure 1. Cylinder head, Cylinder head screws, Toyota gasoline straight-4 1.6 L 4A-FE 103 HP.


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Oil thread. See figure 1.
Second stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Third stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreToyota gasoline straight-4 1.6 L 4A-F 89 HP


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Oil thread. See figure 1.
Second stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Third stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreValve cover


Toyota diesel straight-4 1.8 L 1C 63 HP	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
Toyota diesel straight-4 1.8 L 1C 66 HP	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing


Toyota gasoline straight-4 1.6 L 4A-GE 114 HP	25.81–33.19 lbf⋅ft25.81–33.19 lbf⋅ft35–45 N⋅m
Toyota diesel straight-4 1.8 L 1C 63 HP	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m
Toyota diesel straight-4 1.8 L 1C 66 HP	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m
All other modifications	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m

expand_moreCrankshaft central screws


Toyota gasoline straight-4 1.6 L 4A-FE 103 HP	87.03 lbf⋅ft87.03 lbf⋅ft118 N⋅m
Toyota diesel straight-4 1.8 L 1C 63 HP	144.56 lbf⋅ft144.56 lbf⋅ft196 N⋅m
Toyota diesel straight-4 1.8 L 1C 66 HP	144.56 lbf⋅ft144.56 lbf⋅ft196 N⋅m
All other modifications	81.13–95.88 lbf⋅ft81.13–95.88 lbf⋅ft110–130 N⋅m

expand_moreFlywheel


Toyota diesel straight-4 1.8 L 1C 63 HP	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m
Toyota diesel straight-4 1.8 L 1C 66 HP	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m
All other modifications	55.32–62.69 lbf⋅ft55.32–62.69 lbf⋅ft75–85 N⋅m

expand_moreMain bearing


Toyota gasoline straight-4 1.6 L 4A-GE 114 HP	39.83–48.68 lbf⋅ft39.83–48.68 lbf⋅ft54–66 N⋅m
Toyota diesel straight-4 1.8 L 1C 63 HP	75.97 lbf⋅ft75.97 lbf⋅ft103 N⋅m
Toyota diesel straight-4 1.8 L 1C 66 HP	75.97 lbf⋅ft75.97 lbf⋅ft103 N⋅m
All other modifications	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreEngine control

expand_moreCamshaft timing gear


Toyota diesel straight-4 1.8 L 1C 63 HP	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m
Toyota diesel straight-4 1.8 L 1C 66 HP	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m
Toyota gasoline straight-4 1.6 L 4A-F 89 HP	34.67 lbf⋅ft34.67 lbf⋅ft47 N⋅m
All other modifications	43.52 lbf⋅ft43.52 lbf⋅ft59 N⋅m

expand_moreToothed belt tensioning roller


Toyota gasoline straight-4 1.6 L 4A-FE 103 HP	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m
Toyota gasoline straight-4 1.6 L 4A-F 89 HP	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


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

expand_moreOil sump


Toyota diesel straight-4 1.8 L 1C 63 HP	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
Toyota diesel straight-4 1.8 L 1C 66 HP	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
All other modifications	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreEngine management


Glow plugs	9.59 lbf⋅ft9.59 lbf⋅ft13 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_moreExhaust system

expand_moreExhaust manifold


Toyota diesel straight-4 1.8 L 1C 63 HP	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
Toyota diesel straight-4 1.8 L 1C 66 HP	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
All other modifications	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 1990 Toyota Corolla Compact 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 Compact 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 1990 Toyota Corolla Compact you're not only saving money, but also also improving your technical skills and learning something new.

1990 Toyota Corolla Compact Sixth generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Toyota Corolla Compact Sixth generation model years

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