1990 Vauxhall Nova Hatchback engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt tensioner

expand_moreAll Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines


Alternator	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
On the engine block	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Vauxhall gasoline straight-4 1.2 L C 12 NZ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Vauxhall gasoline straight-4 1.4 L C 14 NZ engines


Alternator	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
On the engine block	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Otherwise	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Auxiliary drive belt tensioner	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAlternator


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreCarburetion

expand_moreInjection hoses


1.5 TD with diesel straight-4 1.5 L 66 HP engine (1990.1–1993.3)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)


1.5 TD with diesel straight-4 1.5 L 66 HP engine (1990.1–1993.3)	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreInjection pump pulley


1.5 TD with diesel straight-4 1.5 L 66 HP engine (1990.1–1993.3)	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m

expand_moreCooling system


Coolant pump	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m


Valve cover	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Second stage	45–60°45–60°45–60°

expand_moreAll Vauxhall gasoline straight-4 1.2 L C 12 NZ engines


Screw with thread length 15 mm	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.

expand_moreScrew with thread length 40 mm


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.
Second stage	30°30°30°

expand_moreAll other modifications


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.
Second stage	30°30°30°

expand_moreCrankshaft central screws


Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) 66 HP	98.1–118.75 lbf⋅ft98.1–118.75 lbf⋅ft133–161 N⋅m

expand_moreAll other modifications


Screw with thread length 23 mm	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreScrew with thread length 30 mm


First stage	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Use new screw.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreFlywheel

expand_moreAll Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Second stage	45–60°45–60°45–60°

expand_moreAll other modifications


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Clean thread and use new screws.
Second stage	30°30°30°
Third stage	15°15°15°


Flywheel cover	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m

expand_moreMain bearing

expand_moreAll Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines


First stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Second stage	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m

expand_moreAll Vauxhall gasoline straight-4 1.4 L C 14 NZ engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Second stage	45–60°45–60°45–60°

expand_moreAll Vauxhall gasoline straight-4 1.6 L C 16 SEI engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage	45–60°45–60°45–60°

expand_moreAll other modifications


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreVibration damper


1.5 TD with diesel straight-4 1.5 L 66 HP engine (1990.1–1993.3)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine control

expand_moreCamshaft drive belt deflection pulley


1.5 TD with diesel straight-4 1.5 L 66 HP engine (1990.1–1993.3)	59 lbf⋅ft59 lbf⋅ft80 N⋅m

expand_moreCamshaft timing gear

expand_moreAll Vauxhall gasoline straight-4 1.4 L 14 NV engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage	60°60°60°
Third stage	15°15°15°


All Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Replace screws.
All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreToothed belt guard


All Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreToothed belt tensioning roller


All Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreToothed belt tightener


1.2 i CAT with gasoline straight-4 1.2 L 44 HP at 5000 RPM, 88 N⋅m at 2400 RPM engine (1989.9–1993.3)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All Vauxhall gasoline straight-4 1.4 L 14 NV engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines	57.53 lbf⋅ft57.53 lbf⋅ft78 N⋅m

expand_moreAll Vauxhall gasoline straight-4 1.2 L C 12 NZ engines


Sheet-steel sump	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreAluminium oil sump


Torx screws	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
With hexagon-head screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


All other modifications	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m


Oil filter housing	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreOil sump


All Vauxhall gasoline straight-4 1.4 L 14 NV engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Clean the thread and use screw-locking compound.
All Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Vauxhall gasoline straight-4 1.2 L C 12 NZ engines

expand_moreAt the gearbox


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


On the engine block	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Clean the thread and use screw-locking compound.

expand_moreAll Vauxhall gasoline straight-4 1.4 L C 14 NZ engines

expand_moreAt the gearbox


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


On the engine block	7.38–11.06 lbf⋅ft7.38–11.06 lbf⋅ft10–15 N⋅m

expand_moreAll other modifications

expand_moreAt the gearbox


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


On the engine block	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreEngine management

expand_moreGlow plugs


1.5 TD with diesel straight-4 1.5 L 66 HP engine (1990.1–1993.3)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreKnock sensor


1.4 S with gasoline straight-4 1.4 L 74 HP engine (1990.1–1993.3)	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m


Lambda sensor	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket


1.4 S with gasoline straight-4 1.4 L 74 HP engine (1990.1–1993.3)	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreEngine mounting

expand_more1.4 S with gasoline straight-4 1.4 L 74 HP engine (1990.1–1993.3)


At the bracket	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
On chassis	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Use screw-locking compound.

expand_moreExhaust system

expand_moreExhaust manifold


All Vauxhall diesel straight-4 1.5 L 15 DT (T4EC1) engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws and nuts.

expand_moreIgnition system

expand_moreSpark plugs


All Vauxhall gasoline straight-4 1.4 L C 14 NZ engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1990 Vauxhall Nova Hatchback 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 Vauxhall warranty policy for your region. In some regions DIY service may invalidate your warranty.

Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

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 Vauxhall Nova Hatchback 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 Vauxhall Nova Hatchback you're not only saving money, but also also improving your technical skills and learning something new.

1990 Vauxhall Nova Hatchback generations

In 1990 Vauxhall offered 2 generations of the Nova Hatchback. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

1990 Vauxhall Nova Hatchback First generation (MK1) Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

1990 Vauxhall Nova Hatchback generations

First generation facelift (MK1)

Vauxhall Nova Hatchback First generation (MK1) model years

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