1994 Vauxhall Frontera engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold

expand_moreAll Vauxhall diesel straight-4 2.3 L 23 DTR engines


With hexagon-head screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
With Torx-head screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	23.6 lbf⋅ft23.6 lbf⋅ft32 N⋅m
All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreCarburetion

expand_moreInjection nozzle (injector)


All Vauxhall diesel straight-4 2.3 L 23 DTR engines	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing


All Vauxhall diesel straight-4 2.3 L 23 DTR engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCylinder head screws

expand_moreAll Vauxhall diesel straight-4 2.3 L 23 DTR engines

expand_moreScrews 1 – 10

Figure 1. Cylinder head, Cylinder head screws, Vauxhall diesel straight-4 2.3 L 23 DTR, Screws 1 – 10.


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws. See figure 1.
Second stage	135°135°135°
Fifth stage	30°30°30°
Sixth stage	30°30°30°

expand_moreScrews 11 – 12


Third stage	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Fourth stage	Warm-up run

expand_moreAll Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines

expand_moreScrews 1 – 10

Figure 2. Cylinder head, Cylinder head screws, Vauxhall diesel straight-4 2.5 L 25TDS (VM41B), Screws 1 – 10.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
See figure 2.
Second stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Control tensioner
Third stage	70°70°70°
Fourth stage	70°70°70°

expand_moreScrews 11 – 18


Fifth stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Sixth stage	80–90°80–90°80–90°
Nineteenth stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m


Seventh stage	Warm-up run
Let engine idle for 20 minutes after it has reached its operating temperature.
Eighth stage	Let engine cool

expand_moreScrews 1

expand_moreNinth stage


First step	slacken
Fourth step	65°65°65°
Second step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third step	65°65°65°

expand_moreScrews 2

expand_moreTenth stage


First step	slacken
Fourth step	65°65°65°
Second step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third step	65°65°65°

expand_moreScrews 3

expand_moreEleventh stage


First step	slacken
Fourth step	65°65°65°
Second step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third step	65°65°65°

expand_moreScrews 4

expand_moreTwelfth stage


First step	slacken
Fourth step	65°65°65°
Second step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third step	65°65°65°

expand_moreScrews 5

expand_moreThirteenth stage


First step	slacken
Fourth step	65°65°65°
Second step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third step	65°65°65°

expand_moreScrews 6

expand_moreFourteenth stage


First step	slacken
Fourth step	65°65°65°
Second step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third step	65°65°65°

expand_moreScrews 7

expand_moreFifteenth stage


First step	slacken
Fourth step	65°65°65°
Second step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third step	65°65°65°

expand_moreScrews 8

expand_moreSixteenth stage


First step	slacken
Fourth step	65°65°65°
Second step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third step	65°65°65°

expand_moreScrews 9

expand_moreSeventeenth stage


First step	slacken
Fourth step	65°65°65°
Second step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third step	65°65°65°

expand_moreScrews 10

expand_moreEighteenth stage


First step	slacken
Fourth step	65°65°65°
Second step	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third step	65°65°65°


Twentieth stage	12427.42 mi12427.42 mi20000 km
Retighten screws after 20 000 kilometers (12 500 miles).

expand_moreScrews 1 – 18


Twenty-first stage	15°15°15°

expand_moreAll Vauxhall gasoline straight-4 2.4 L C 24 NE engines

expand_moreScrews 1 – 10

Figure 3. Cylinder head, Cylinder head screws, Vauxhall gasoline straight-4 2.4 L C 24 NE, Screws 1 – 10.


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws. See figure 3.
Sixth stage	30–40°30–40°30–40°

expand_moreScrews 1, 2, 3, 4, 5, 6, 7, and 10


Second stage	90°90°90°

expand_moreScrews 8 and 9

expand_moreSecond stage


First step	30°30°30°
Second step	30°30°30°
Third step	30°30°30°

expand_moreScrews 11 – 12


Third stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Seventh stage	Loosen screw(s).
Eighth stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Fifth stage	Let engine cool
Fourth stage	Warm-up run

expand_moreValve cover


All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Vauxhall diesel straight-4 2.3 L 23 DTR engines


Conventional screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreMicroencapsulated screws


First stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Second stage	45°45°45°

expand_moreAll Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines


First stage	21.39 lbf⋅ft21.39 lbf⋅ft29 N⋅m
Second stage	60°60°60°


All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreCrankshaft central screws


All Vauxhall diesel straight-4 2.3 L 23 DTR engines	162.26 lbf⋅ft162.26 lbf⋅ft220 N⋅m
All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	144.56 lbf⋅ft144.56 lbf⋅ft196 N⋅m
All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m

expand_moreFlywheel

expand_moreAll Vauxhall diesel straight-4 2.3 L 23 DTR engines


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Second stage	30°30°30°


All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	77.44 lbf⋅ft77.44 lbf⋅ft105 N⋅m
All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreMain bearing

expand_moreAll Vauxhall diesel straight-4 2.3 L 23 DTR engines

expand_moreM10


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Second stage	33.19–44.25 lbf⋅ft33.19–44.25 lbf⋅ft45–60 N⋅m

expand_moreM12


First stage	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Second stage	60°60°60°


All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m
All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m

expand_moreEngine control

expand_moreCamshaft timing gear


All Vauxhall diesel straight-4 2.3 L 23 DTR engines	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m
All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreChain tensioner


2.4 i with gasoline straight-4 2.4 L 123 HP engine (1992.3–1998.10)	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreOil filter housing


All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreOil sump


All Vauxhall diesel straight-4 2.3 L 23 DTR engines	3.69–5.9 lbf⋅ft3.69–5.9 lbf⋅ft5–8 N⋅m
All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	8.11 lbf⋅ft8.11 lbf⋅ft11 N⋅m
All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreEngine management

expand_moreGlow plugs


All Vauxhall diesel straight-4 2.3 L 23 DTR engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m


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

expand_moreExhaust system

expand_moreExhaust manifold

expand_moreAll Vauxhall diesel straight-4 2.3 L 23 DTR engines


With hexagon-head screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
With Torx-head screws	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


All Vauxhall diesel straight-4 2.5 L 25TDS (VM41B) engines	24.34 lbf⋅ft24.34 lbf⋅ft33 N⋅m
All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


All Vauxhall gasoline straight-4 2.4 L C 24 NE engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1994 Vauxhall Frontera 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.

Emission

Maintenance Items

Engine 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 Frontera 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 1994 Vauxhall Frontera you're not only saving money, but also also improving your technical skills and learning something new.

1994 Vauxhall Frontera First generation (MK1) Engine Fastener Tightening Specifications

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Conquer your fears and never give up!

Vauxhall Frontera First generation (MK1) model years

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