1998 Saab 900 Combi Coupe engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Saab gasoline V6 2.5 L B258I engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt tensioner


2.5 -24 V6 with gasoline V6 2.5 L 168 HP, 227 N⋅m engine (1993.12–1998.2)	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreServo pump pulley


2.5 -24 V6 with gasoline V6 2.5 L 168 HP, 227 N⋅m engine (1993.12–1998.2)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Use new screws.

expand_moreCooling system

expand_moreCoolant pump pulley


2.5 -24 V6 with gasoline V6 2.5 L 168 HP, 227 N⋅m engine (1993.12–1998.2)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.

expand_moreCylinder head


Camshaft bearing	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreCylinder head screws

expand_moreAll Saab gasoline straight-4 2.0 L B204I engines

expand_moreScrews 1 – 10

Figure 1. Cylinder head, Cylinder head screws, Saab gasoline straight-4 2.0 L B204I, Screws 1 – 10.


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
See figure 1.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°

expand_moreScrews 11 – 12


Fourth stage	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_moreAll Saab gasoline straight-4 2.0 L B204L engines

expand_moreScrews 1 – 10


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
See figure 1.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°

expand_moreScrews 11 – 12


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

expand_moreValve cover


All Saab gasoline V6 2.5 L B258I engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreEngine block


Balance shaft gear wheel	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreConnecting rod bearing

expand_moreAll Saab gasoline V6 2.5 L B258I engines


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


All other modifications	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m

expand_moreCrankshaft central screws

expand_moreAll Saab gasoline V6 2.5 L B258I engines


First stage	184.39 lbf⋅ft184.39 lbf⋅ft250 N⋅m
Second stage	45°45°45°


All other modifications	129.07 lbf⋅ft129.07 lbf⋅ft175 N⋅m

expand_moreCrankshaft pulley


All Saab gasoline V6 2.5 L B258I engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	129.07 lbf⋅ft129.07 lbf⋅ft175 N⋅m


Drive plate	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m

expand_moreFlywheel

expand_moreAll Saab gasoline V6 2.5 L B258I engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Second stage	30°30°30°


All other modifications	59 lbf⋅ft59 lbf⋅ft80 N⋅m

expand_moreMain bearing

expand_moreAll Saab gasoline V6 2.5 L B258I engines


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


All other modifications	81.13 lbf⋅ft81.13 lbf⋅ft110 N⋅m

expand_moreVibration damper


2.5 -24 V6 with gasoline V6 2.5 L 168 HP, 227 N⋅m engine (1993.12–1998.2)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.

expand_moreEngine control

expand_moreCamshaft drive belt deflection pulley


2.5 -24 V6 with gasoline V6 2.5 L 168 HP, 227 N⋅m engine (1993.12–1998.2)	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreCamshaft timing gear

expand_moreAll Saab gasoline V6 2.5 L B258I engines


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


All other modifications	46.47 lbf⋅ft46.47 lbf⋅ft63 N⋅m


Chain tensioner	46.47 lbf⋅ft46.47 lbf⋅ft63 N⋅m
Chain tensioner locking screws	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Control drive chain tensioner	46.47 lbf⋅ft46.47 lbf⋅ft63 N⋅m
Drive chain balance shaft tensioner	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Timing case cover	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreToothed belt tensioning roller


2.5 -24 V6 with gasoline V6 2.5 L 168 HP, 227 N⋅m engine (1993.12–1998.2)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreToothed belt tightener


2.5 -24 V6 with gasoline V6 2.5 L 168 HP, 227 N⋅m engine (1993.12–1998.2)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All Saab gasoline V6 2.5 L B258I engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil sump


All Saab gasoline V6 2.5 L B258I engines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine management

expand_moreKnock sensor


All Saab gasoline V6 2.5 L B258I engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Lambda sensor	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


All Saab gasoline V6 2.5 L B258I engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


All Saab gasoline V6 2.5 L B258I engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1998 Saab 900 Combi Coupe 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 Saab 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 Saab 900 Combi Coupe 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 1998 Saab 900 Combi Coupe you're not only saving money, but also also improving your technical skills and learning something new.

1998 Saab 900 Combi Coupe Second generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Saab 900 Combi Coupe Second generation model years

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