1991 Toyota Land Cruiser 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_moreAuxiliary assemblies


Vacuum pump	28.76 lbf⋅ft28.76 lbf⋅ft39 N⋅m

expand_moreCarburetion

expand_moreInjection hoses

expand_moreToyota diesel straight-6 4.2 L 1H-Z 133 HP


Union nuts	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m


Toyota diesel straight-6 4.2 L 1HD-T 165 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)


Toyota diesel straight-6 4.2 L 1H-Z 133 HP	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m

expand_moreToyota diesel straight-6 4.2 L 1HD-T 165 HP


Fuel return line	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Other	28.76 lbf⋅ft28.76 lbf⋅ft39 N⋅m

expand_moreInjection pump

expand_more4.2 D (HZJ80_) with diesel straight-6 4.2 L 133 HP engine (1990.1–1997.12)


Fuel return line nuts	21.39 lbf⋅ft21.39 lbf⋅ft29 N⋅m

expand_moreInjection pump pulley


Belt pulley	22.86 lbf⋅ft22.86 lbf⋅ft31 N⋅m
Otherwise	72.28 lbf⋅ft72.28 lbf⋅ft98 N⋅m

expand_moreCharging

expand_moreTurbo charger


At the exhaust manifold	38.35 lbf⋅ft38.35 lbf⋅ft52 N⋅m

expand_moreCooling system

expand_moreCoolant pump


4.2 D (HZJ80_) with diesel straight-6 4.2 L 133 HP engine (1990.1–1997.12)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCoolant pump pulley


4.2 D (HZJ80_) with diesel straight-6 4.2 L 133 HP engine (1990.1–1997.12)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll other modifications


Bearing cover on camshaft pulley	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Remaining bearing caps	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreCylinder head screw minimum diameter


All other modifications	0.42 in0.42 in10.55 mm

expand_moreCylinder head screws

expand_moreAll Toyota diesel straight-6 4.2 L 1H-Z engines

Figure 1. Cylinder head, Cylinder head screws, Toyota diesel straight-6 4.2 L 1H-Z.


First stage	50.15 lbf⋅ft50.15 lbf⋅ft68 N⋅m
See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreAll other modifications


First stage	50.89 lbf⋅ft50.89 lbf⋅ft69 N⋅m
See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreRocker bridge

expand_moreValve cover

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll other modifications


First stage	28.76 lbf⋅ft28.76 lbf⋅ft39 N⋅m
Second stage	90°90°90°

expand_moreCrankshaft central screws


All other modifications	361.41 lbf⋅ft361.41 lbf⋅ft490 N⋅m

expand_moreCrankshaft pulley


Toyota diesel straight-6 4.2 L 1H-Z 133 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Toyota diesel straight-6 4.2 L 1HD-T 165 HP	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreFlywheel


All other modifications	93.67 lbf⋅ft93.67 lbf⋅ft127 N⋅m

expand_moreMain bearing

expand_moreAll Toyota diesel straight-6 4.2 L 1H-Z engines

expand_moreBi-hexagon screws


First stage	75.97 lbf⋅ft75.97 lbf⋅ft103 N⋅m
Second stage	90°90°90°


Hexagon head screws	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreAll other modifications

expand_moreBi-hexagon screws


First stage	75.97 lbf⋅ft75.97 lbf⋅ft103 N⋅m
Second stage	90°90°90°

expand_moreHexagon head screws


Third stage	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m

expand_moreEngine control

expand_moreCamshaft timing gear


All other modifications	72.28 lbf⋅ft72.28 lbf⋅ft98 N⋅m


Drive belt tensioner device	19.18 lbf⋅ft19.18 lbf⋅ft26 N⋅m
Timing case cover	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreToothed belt tensioning roller


All Toyota diesel straight-4 3.0 L 1KZ-T engines	25.08 lbf⋅ft25.08 lbf⋅ft34 N⋅m
All other modifications	19.18 lbf⋅ft19.18 lbf⋅ft26 N⋅m

expand_moreToothed belt tightener


All Toyota diesel straight-4 3.0 L 1KZ-T engines	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
All other modifications	19.18 lbf⋅ft19.18 lbf⋅ft26 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


Engine oil	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil sump


Toyota diesel straight-6 4.2 L 1H-Z 133 HP	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Toyota diesel straight-6 4.2 L 1HD-T 165 HP	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine management


Glow plugs	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold

expand_moreAll Toyota diesel straight-6 4.2 L 1H-Z engines


New nuts	28.76 lbf⋅ft28.76 lbf⋅ft39 N⋅m
Used nuts	23.6 lbf⋅ft23.6 lbf⋅ft32 N⋅m


All Toyota gasoline V6 4.0 L 3F-E engines	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
All other modifications	28.76 lbf⋅ft28.76 lbf⋅ft39 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 Land Cruiser 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

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 Land Cruiser 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 Land Cruiser you're not only saving money, but also also improving your technical skills and learning something new.

1991 Toyota Land Cruiser generations

In 1991 Toyota offered 3 generations of the Land Cruiser. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Seventh generation second facelift

BJ60, HJ6#, FJ62

1991 Toyota Land Cruiser Ninth generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

1991 Toyota Land Cruiser generations

Seventh generation second facelift

Eighth generation

Toyota Land Cruiser Ninth generation model years

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