1991 Vauxhall Astra Hatchback engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws and nuts.

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt tensioner


All Vauxhall diesel straight-4 1.7 L 17 DR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall gasoline straight-4 1.8 L C 18 NZ engines	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
All Vauxhall gasoline straight-4 2.0 L C 20 NE engines	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAuxiliary drive belt tensioner


All Vauxhall gasoline straight-4 2.0 L C 20 XE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAlternator


M10 screws	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m
M8 screws	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreServo steering pump

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 D engines


Nuts	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 DR engines


Nuts	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


All Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreCarburetion

expand_moreInjection hoses


1.7 D with diesel straight-4 1.7 L 59 HP engine (1991.9–1994.12)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Injection nozzle (injector)	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreInjection pump pulley


All Vauxhall diesel straight-4 1.7 L 17 D engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall diesel straight-4 1.7 L 17 DR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines	50.89 lbf⋅ft50.89 lbf⋅ft69 N⋅m

expand_moreCooling system

expand_moreCoolant pump


All Vauxhall diesel straight-4 1.7 L 17 D engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications


M6	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCoolant pump pulley


1.7 TD with diesel straight-4 1.7 L 80 HP engine (1991.12–1998.2)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll Vauxhall gasoline straight-4 2.0 L C 20 XE engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCylinder head screws

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 D engines

Figure 1. Cylinder head, Cylinder head screws, Vauxhall diesel straight-4 1.7 L 17 D.


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°
Fourth stage	45°45°45°
Fifth stage	Warm-up run
Sixth stage	30°30°30°
Seventh stage	15°15°15°

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 DR engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°
Fourth stage	45°45°45°
Fifth stage	Warm-up run
Sixth stage	30°30°30°
Seventh stage	15°15°15°

expand_moreWith metal gasket


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	90°90°90°
Third stage	90°90°90°
Fourth stage	45°45°45°

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws. See figure 1.
Second stage	60–75°60–75°60–75°
Third stage	60–75°60–75°60–75°

expand_moreAll Vauxhall gasoline straight-4 1.8 L C 18 NZ engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 1.
Second stage	90°90°90°
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreAll Vauxhall gasoline straight-4 2.0 L C 20 XE engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 1.
Second stage	65°65°65°
Third stage	65°65°65°
Fourth stage	65°65°65°

expand_moreAll other modifications


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws. See figure 1.
Second stage	60°60°60°
Third stage	60°60°60°
Fourth stage	60°60°60°


Valve cover	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 D engines


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 DR engines


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	100–115°100–115°100–115°

expand_moreAll other modifications


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

expand_moreCrankshaft central screws

expand_moreAll Vauxhall gasoline straight-4 1.4 L 14 NV engines

expand_moreM12

expand_moreWith ribbed V-belt


First stage	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°


With fan belt	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m


All Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines	144.56 lbf⋅ft144.56 lbf⋅ft196 N⋅m

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

expand_moreM10

expand_moreWith ribbed V-belt


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


Otherwise	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreM12

expand_moreWith ribbed V-belt


First stage	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Use new screw.
Second stage	30°30°30°
Third stage	15°15°15°

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

expand_moreM10


With fan belt	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreWith ribbed V-belt


First stage	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreM12

expand_moreWith ribbed V-belt


First stage	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll other modifications


First stage	95.88 lbf⋅ft95.88 lbf⋅ft130 N⋅m
Replace screws.
Second stage	40–50°40–50°40–50°


Crankshaft pulley	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreFlywheel

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 D engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws and nuts.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 DR engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws and nuts.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Vauxhall gasoline straight-4 1.8 L C 18 NZ engines


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll other modifications


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreMain bearing


All Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m

expand_moreAll other modifications


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

expand_moreEngine control

expand_moreCamshaft drive belt deflection pulley


All Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines	59 lbf⋅ft59 lbf⋅ft80 N⋅m
All other modifications	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreCamshaft timing gear

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 D engines


First stage	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	5°5°5°

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 DR engines


First stage	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	5°5°5°


All Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreAll Vauxhall gasoline straight-4 2.0 L C 20 XE engines


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


All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreToothed belt guard


All Vauxhall gasoline straight-4 2.0 L C 20 XE engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All other modifications	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m


Toothed belt guard at the bottom	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Toothed belt guard at the top	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreToothed belt tensioning roller


All Vauxhall diesel straight-4 1.7 L 17 D engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall diesel straight-4 1.7 L 17 DR engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall diesel straight-4 1.7 L 17 DT (TC4EE1) engines	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
All Vauxhall gasoline straight-4 1.8 L C 18 NZ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall gasoline straight-4 2.0 L C 20 NE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Vauxhall gasoline straight-4 2.0 L C 20 XE engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°
Otherwise	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 D engines


One-part sump	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Two-part oil sump	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 DR engines


Torx screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
With hexagon-head screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


All Vauxhall gasoline straight-4 1.4 L C 14 NZ engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
All Vauxhall gasoline straight-4 1.6 L C 16 NZ engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreAll Vauxhall gasoline straight-4 2.0 L C 20 XE engines


Torx screws	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
With hexagon-head screws	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


All Vauxhall gasoline straight-4 1.6 L E 16 NZ engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
All other modifications	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


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

expand_moreOil sump

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 D engines

expand_moreOil sump top part


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOil sump lower part


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Second stage	30°30°30°


One-part sump	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Clean the thread and use screw-locking compound.

expand_moreAll Vauxhall diesel straight-4 1.7 L 17 DR engines

expand_moreOil sump top part


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOil sump lower part


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Second stage	30°30°30°


One-part sump	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

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


All Vauxhall gasoline straight-4 1.8 L C 18 NZ engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Clean the thread and use screw-locking compound.
All Vauxhall gasoline straight-4 2.0 L C 20 NE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Clean the thread and use screw-locking compound.

expand_moreAll Vauxhall gasoline straight-4 2.0 L C 20 XE engines

expand_moreOil sump top part


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Clean the thread and use screw-locking compound.

expand_moreOil sump lower part


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Clean the thread, use new screws and screw-locking compound.
Second stage	30°30°30°


All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Clean the thread and use screw-locking compound.

expand_moreEngine management


Glow plugs	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreKnock sensor


All Vauxhall gasoline straight-4 2.0 L C 20 XE engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m


Lambda sensor	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use assembly paste

expand_moreEngine mounting


Engine bracket	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new locking washers.

expand_moreEngine mounting

expand_moreAll Vauxhall gasoline straight-4 2.0 L C 20 XE engines


At the bracket	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
On chassis	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Use screw-locking compound.

expand_moreAll other modifications


At the bracket	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Use screw-locking compound.
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 1.7 L 17 DT (TC4EE1) engines	17.7 lbf⋅ft17.7 lbf⋅ft24 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 1991 Vauxhall Astra 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.

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 Vauxhall Astra 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 1991 Vauxhall Astra Hatchback you're not only saving money, but also also improving your technical skills and learning something new.

1991 Vauxhall Astra Hatchback generations

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

Second generation facelift (MK2)

T Platform (T-body, GM2700, GM3000) 1979-2012

1991 Vauxhall Astra Hatchback Third generation (MK3) Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

1991 Vauxhall Astra Hatchback generations

Second generation facelift (MK2)

Vauxhall Astra Hatchback Third generation (MK3) model years

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