1998 Ford Ranger engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system


Intake manifold	14.01–18.44 lbf⋅ft14.01–18.44 lbf⋅ft19–25 N⋅m

expand_moreAuxiliary assemblies

expand_moreAir-conditioning compressor


All other modifications	27.29 lbf⋅ft27.29 lbf⋅ft37 N⋅m


Air-conditioning compressor bracket	28.03–37.62 lbf⋅ft28.03–37.62 lbf⋅ft38–51 N⋅m

expand_moreAlternator


Bottom	27.29–38.35 lbf⋅ft27.29–38.35 lbf⋅ft37–52 N⋅m
Top	14.01–18.44 lbf⋅ft14.01–18.44 lbf⋅ft19–25 N⋅m


Generator bracket	27.29–38.35 lbf⋅ft27.29–38.35 lbf⋅ft37–52 N⋅m

expand_moreCarburetion


Fuel-distributing pipe	14.01–18.44 lbf⋅ft14.01–18.44 lbf⋅ft19–25 N⋅m

expand_moreHigh-pressure pump pulley


Central nuts	43.52–50.89 lbf⋅ft43.52–50.89 lbf⋅ft59–69 N⋅m
Screws	5.9–8.11 lbf⋅ft5.9–8.11 lbf⋅ft8–11 N⋅m


Injection hoses	18.44–21.39 lbf⋅ft18.44–21.39 lbf⋅ft25–29 N⋅m
Injection nozzle (injector)	15.49–19.18 lbf⋅ft15.49–19.18 lbf⋅ft21–26 N⋅m

expand_moreInjection pump


High-pressure pump	14.01–18.44 lbf⋅ft14.01–18.44 lbf⋅ft19–25 N⋅m

expand_moreCharging


Turbo charger	16.23–19.91 lbf⋅ft16.23–19.91 lbf⋅ft22–27 N⋅m

expand_moreCooling system


Coolant pump	14.01–18.44 lbf⋅ft14.01–18.44 lbf⋅ft19–25 N⋅m
Coolant pump pulley	14.01–18.44 lbf⋅ft14.01–18.44 lbf⋅ft19–25 N⋅m

expand_moreCylinder head


Camshaft bearing	5.9–8.11 lbf⋅ft5.9–8.11 lbf⋅ft8–11 N⋅m
helically from the inside out

expand_moreCylinder head screws

expand_moreScrews 1 – 18

Figure 1. Cylinder head, Cylinder head screws, Screws 1 – 18.


First stage	21.39 lbf⋅ft21.39 lbf⋅ft29 N⋅m
Heed bolt length. See figure 1.
Second stage	90–105°90–105°90–105°
Third stage	90–105°90–105°90–105°
Fourth stage	90–105°90–105°90–105°

expand_moreScrews 19


Fifth stage	13.28–14.75 lbf⋅ft13.28–14.75 lbf⋅ft18–20 N⋅m

expand_moreCylinder head screws shank length (maximum)


With screw head marking „I“	5.93 in5.93 in150.5 mm
With screw head marking „N“	4.51 in4.51 in114.5 mm
With screw head marking „W“	4.04 in4.04 in102.5 mm

expand_moreCylinder head screws shank length (new)


With screw head marking „I“	5.87–5.91 in5.87–5.91 in149–150 mm
With screw head marking „N“	4.46–4.48 in4.46–4.48 in113.2–113.8 mm
With screw head marking „W“	3.98–4.01 in3.98–4.01 in101.2–101.8 mm


Valve cover	5.9–8.11 lbf⋅ft5.9–8.11 lbf⋅ft8–11 N⋅m
Valve play adjusting screw lock nuts	14.75–17.7 lbf⋅ft14.75–17.7 lbf⋅ft20–24 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing


First stage	34.67–38.35 lbf⋅ft34.67–38.35 lbf⋅ft47–52 N⋅m
Second stage	82.5–97.5°82.5–97.5°82.5–97.5°


Crankshaft central screws	289.12–325.26 lbf⋅ft289.12–325.26 lbf⋅ft392–441 N⋅m

expand_moreFlywheel


Dual-mass flywheel	111.37–118.75 lbf⋅ft111.37–118.75 lbf⋅ft151–161 N⋅m
Flywheel	70.81–75.97 lbf⋅ft70.81–75.97 lbf⋅ft96–103 N⋅m
Tighten cross-wise.

expand_moreMain bearing


First stage	11.06–25.81 lbf⋅ft11.06–25.81 lbf⋅ft15–35 N⋅m
helically from the inside out
Second stage	54.58–60.48 lbf⋅ft54.58–60.48 lbf⋅ft74–82 N⋅m
Third stage	Loosen all screws
Fourth stage	11.06–25.81 lbf⋅ft11.06–25.81 lbf⋅ft15–35 N⋅m
Fifth stage	31.72–33.93 lbf⋅ft31.72–33.93 lbf⋅ft43–46 N⋅m

expand_moreEngine control


Camshaft drive belt deflection pulley	27.29–38.35 lbf⋅ft27.29–38.35 lbf⋅ft37–52 N⋅m
Camshaft timing gear	90.72–103.26 lbf⋅ft90.72–103.26 lbf⋅ft123–140 N⋅m
Toothed belt guard	5.75–7.97 lbf⋅ft5.75–7.97 lbf⋅ft7.8–10.8 N⋅m

expand_moreToothed belt tensioning roller


Long screws	27.29–38.35 lbf⋅ft27.29–38.35 lbf⋅ft37–52 N⋅m
Short screws	5.83–7.97 lbf⋅ft5.83–7.97 lbf⋅ft7.9–10.8 N⋅m

expand_moreEngine lubrication


Oil drain plug	21.39–30.24 lbf⋅ft21.39–30.24 lbf⋅ft29–41 N⋅m
Oil sump	5.9–8.11 lbf⋅ft5.9–8.11 lbf⋅ft8–11 N⋅m

expand_moreEngine management


Camshaft sensor	5.9–8.11 lbf⋅ft5.9–8.11 lbf⋅ft8–11 N⋅m
Crankshaft sensor	5.9–8.11 lbf⋅ft5.9–8.11 lbf⋅ft8–11 N⋅m
Glow plugs	11.06–14.75 lbf⋅ft11.06–14.75 lbf⋅ft15–20 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket


On the engine block	28.03–37.62 lbf⋅ft28.03–37.62 lbf⋅ft38–51 N⋅m

expand_moreEngine mounting


On engine bracket	39.83–55.32 lbf⋅ft39.83–55.32 lbf⋅ft54–75 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


Heat shields	5.9–8.11 lbf⋅ft5.9–8.11 lbf⋅ft8–11 N⋅m
Otherwise	16.23–19.91 lbf⋅ft16.23–19.91 lbf⋅ft22–27 N⋅m

expand_moreStart system


Starter	28.03–37.62 lbf⋅ft28.03–37.62 lbf⋅ft38–51 N⋅m

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

1998 Ford Ranger generations

In 1998 Ford offered 4 generations of the Ranger. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

1998 Ford Ranger First generation (non-US version) Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

1998 Ford Ranger generations

Second generation (non-US version)

Second generation facelift (non-US version)

Third generation (non-US version)

Ford Ranger First generation (non-US version) model years

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