1991 Vauxhall Monterey First generation (MK1) Engine Fastener Tightening Specifications

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Condition Value
expand_moreAir intake system
expand_moreIntake manifold
All Vauxhall diesel straight-4 3.1 L 4 JG2TC engines 19.18 lbf⋅ft
expand_moreAuxiliary assemblies
expand_moreAuxiliary drive belt tensioner
3.1 TD with diesel straight-4 3.1 L 113 HP at 3600 RPM, 260 N⋅m at 2000 RPM engine (1991.9–1998.7) 14.75 lbf⋅ft
expand_moreCooling system
expand_moreViscous fan clutch
3.1 TD with diesel straight-4 3.1 L 113 HP at 3600 RPM, 260 N⋅m at 2000 RPM engine (1991.9–1998.7) 5.9 lbf⋅ft
expand_moreCylinder head
expand_moreCylinder head screws
Figure 1. Cylinder head, Cylinder head screws, Vauxhall diesel straight-4 3.1 L 4 JG2TC.
Figure 1. Cylinder head, Cylinder head screws, Vauxhall diesel straight-4 3.1 L 4 JG2TC.
First stage 36.14 lbf⋅ft
Replace screws. See figure 1.
Second stage 60°
Third stage 60°
Fourth stage 6075°
Fifth stage 6075°
expand_moreEngine block
expand_moreConnecting rod bearing
expand_more3.1 TD with diesel straight-4 3.1 L 113 HP at 3600 RPM, 260 N⋅m at 2000 RPM engine (1991.9–1998.7)
First stage 21.39 lbf⋅ft
Second stage 4560°
expand_moreCrankshaft central screws
Collar screws 202.09 lbf⋅ft
With plain washer 151.94 lbf⋅ft
expand_moreMain bearing
3.1 TD with diesel straight-4 3.1 L 113 HP at 3600 RPM, 260 N⋅m at 2000 RPM engine (1991.9–1998.7) 123.17 lbf⋅ft
expand_moreVibration damper
3.1 TD with diesel straight-4 3.1 L 113 HP at 3600 RPM, 260 N⋅m at 2000 RPM engine (1991.9–1998.7) 14.01 lbf⋅ft
expand_moreEngine control
expand_moreCamshaft timing gear
All Vauxhall diesel straight-4 3.1 L 4 JG2TC engines 47.2 lbf⋅ft
expand_moreToothed belt guard
All Vauxhall diesel straight-4 3.1 L 4 JG2TC engines 5.9 lbf⋅ft
expand_moreToothed belt tensioning roller
All Vauxhall diesel straight-4 3.1 L 4 JG2TC engines 56.05 lbf⋅ft
expand_moreExhaust system
expand_moreExhaust manifold
All Vauxhall diesel straight-4 3.1 L 4 JG2TC engines 19.18 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1991 Vauxhall Monterey 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.

Table of Contents

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

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