1988 Ford Sierra Wagon engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


1.8 TD with diesel straight-4 1.8 L 74 HP, 150 N⋅m engine (1988.8–1993.2)	13.28–18.44 lbf⋅ft13.28–18.44 lbf⋅ft18–25 N⋅m
1.8 TD with diesel straight-4 1.8 L 74 HP, 150 N⋅m engine (1988.8–1993.2)	13.28–18.44 lbf⋅ft13.28–18.44 lbf⋅ft18–25 N⋅m
1.8 TD with diesel straight-4 1.8 L 74 HP, 150 N⋅m engine (1988.8–1993.2)	13.28–18.44 lbf⋅ft13.28–18.44 lbf⋅ft18–25 N⋅m
1.8 with gasoline straight-4 1.8 L 86 HP engine (1988.5–1993.2)	11.8–14.75 lbf⋅ft11.8–14.75 lbf⋅ft16–20 N⋅m
1.8 with gasoline straight-4 1.8 L 86 HP, 145 N⋅m engine (1988.5–1993.2)	11.8–14.75 lbf⋅ft11.8–14.75 lbf⋅ft16–20 N⋅m
2.3 D with diesel straight-4 2.3 L 66 HP, 139 N⋅m engine (1987.1–1993.2)	14.75–18.44 lbf⋅ft14.75–18.44 lbf⋅ft20–25 N⋅m
2.9 4x4 with gasoline V6 2.9 L 143 HP at 5500 RPM, 222 N⋅m at 3000 RPM engine (1988.8–1993.2)	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
2.9 4x4 with gasoline V6 2.9 L 143 HP at 5500 RPM, 222 N⋅m at 3000 RPM engine (1988.8–1993.2)	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
2.9 4x4 with gasoline V6 2.9 L 148 HP, 233 N⋅m engine (1988.8–1993.2)	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
2.9 4x4 with gasoline V6 2.9 L 148 HP, 233 N⋅m engine (1988.8–1993.2)	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
2.9 i with gasoline V6 2.9 L 148 HP, 233 N⋅m engine (1988.8–1993.2)	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
2.9 i with gasoline V6 2.9 L 148 HP, 233 N⋅m engine (1988.8–1993.2)	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
2.9 with gasoline V6 2.9 L 143 HP at 5500 RPM, 222 N⋅m at 3000 RPM engine (1988.8–1993.2)	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
2.9 with gasoline V6 2.9 L 143 HP at 5500 RPM, 222 N⋅m at 3000 RPM engine (1988.8–1993.2)	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
All other modifications	12.54–15.49 lbf⋅ft12.54–15.49 lbf⋅ft17–21 N⋅m

expand_moreCylinder head


Camshaft bearing	16.23–19.18 lbf⋅ft16.23–19.18 lbf⋅ft22–26 N⋅m

expand_moreCylinder head screws shank length (maximum)


With plain washer	6.86 in6.86 in174.3 mm


Valve cover	4.43–5.9 lbf⋅ft4.43–5.9 lbf⋅ft6–8 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Ford gasoline straight-4 2.0 L N4B engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Second stage	29.5–34.67 lbf⋅ft29.5–34.67 lbf⋅ft40–47 N⋅m

expand_moreAll other modifications


First stage	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m
Second stage	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Third stage	90°90°90°

expand_moreCrankshaft central screws


All Ford gasoline straight-4 2.0 L N4B engines	73.76–84.82 lbf⋅ft73.76–84.82 lbf⋅ft100–115 N⋅m
All Ford gasoline straight-4 2.0 L NE5 engines	73.76–84.82 lbf⋅ft73.76–84.82 lbf⋅ft100–115 N⋅m
All Ford gasoline straight-4 2.0 L NEJ engines	73.76–84.82 lbf⋅ft73.76–84.82 lbf⋅ft100–115 N⋅m

expand_moreAll other modifications


First stage	33.19–42.78 lbf⋅ft33.19–42.78 lbf⋅ft45–58 N⋅m
Second stage	85°85°85°

expand_moreFlywheel

expand_more1.8 TD with diesel straight-4 1.8 L 74 HP, 150 N⋅m engine (1988.8–1993.2)


First stage	11.06–14.75 lbf⋅ft11.06–14.75 lbf⋅ft15–20 N⋅m
Second stage	40°40°40°
Third stage	35°35°35°


1.8 with gasoline straight-4 1.8 L 86 HP engine (1988.5–1993.2)	53.84–67.12 lbf⋅ft53.84–67.12 lbf⋅ft73–91 N⋅m
1.8 with gasoline straight-4 1.8 L 86 HP, 145 N⋅m engine (1988.5–1993.2)	53.84–67.12 lbf⋅ft53.84–67.12 lbf⋅ft73–91 N⋅m

expand_more1.8 with gasoline straight-4 1.8 L 89 HP engine (1987.1–1988.5)


R2A engine	53.84–67.12 lbf⋅ft53.84–67.12 lbf⋅ft73–91 N⋅m
RED engine	47.2–51.63 lbf⋅ft47.2–51.63 lbf⋅ft64–70 N⋅m


2.0 i CAT with gasoline straight-4 2.0 L 99 HP, 148 N⋅m engine (1987.1–1993.2)	50.15–54.58 lbf⋅ft50.15–54.58 lbf⋅ft68–74 N⋅m
2.0 i with gasoline straight-4 2.0 L 99 HP engine (1987.1–1993.2)	50.15–54.58 lbf⋅ft50.15–54.58 lbf⋅ft68–74 N⋅m
2.0 i with gasoline straight-4 2.0 L 99 HP engine (1987.1–1993.2)	50.15–54.58 lbf⋅ft50.15–54.58 lbf⋅ft68–74 N⋅m

expand_more2.0 with gasoline straight-4 2.0 L 103 HP, 170 N⋅m engine (1987.1–1993.2)


N8C engine	60.48–67.86 lbf⋅ft60.48–67.86 lbf⋅ft82–92 N⋅m
NES engine	47.2–51.63 lbf⋅ft47.2–51.63 lbf⋅ft64–70 N⋅m


2.3 D with diesel straight-4 2.3 L 66 HP, 139 N⋅m engine (1987.1–1993.2)	95.88 lbf⋅ft95.88 lbf⋅ft130 N⋅m
All other modifications	47.2–51.63 lbf⋅ft47.2–51.63 lbf⋅ft64–70 N⋅m

expand_moreMain bearing

expand_moreAll Ford gasoline straight-4 2.0 L N4B engines


First stage	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m
Second stage	64.91–75.23 lbf⋅ft64.91–75.23 lbf⋅ft88–102 N⋅m

expand_moreAll other modifications


First stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Second stage	66.38–76.71 lbf⋅ft66.38–76.71 lbf⋅ft90–104 N⋅m

expand_moreEngine control

expand_moreCamshaft timing gear


All Ford gasoline straight-4 2.0 L N4B engines	33.19–36.88 lbf⋅ft33.19–36.88 lbf⋅ft45–50 N⋅m
All Ford gasoline straight-4 2.0 L NE5 engines	33.19–36.88 lbf⋅ft33.19–36.88 lbf⋅ft45–50 N⋅m
All Ford gasoline straight-4 2.0 L NEJ engines	33.19–36.88 lbf⋅ft33.19–36.88 lbf⋅ft45–50 N⋅m
All other modifications	40.57–46.47 lbf⋅ft40.57–46.47 lbf⋅ft55–63 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


1.8 TD with diesel straight-4 1.8 L 74 HP, 150 N⋅m engine (1988.8–1993.2)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
1.8 TD with diesel straight-4 1.8 L 74 HP, 150 N⋅m engine (1988.8–1993.2)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
1.8 TD with diesel straight-4 1.8 L 74 HP, 150 N⋅m engine (1988.8–1993.2)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
1.8 with gasoline straight-4 1.8 L 89 HP engine (1987.1–1988.5)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
1.8 with gasoline straight-4 1.8 L 89 HP engine (1987.1–1988.5)	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
2.0 i CAT with gasoline straight-4 2.0 L 99 HP, 148 N⋅m engine (1987.1–1993.2)	15.49–20.65 lbf⋅ft15.49–20.65 lbf⋅ft21–28 N⋅m
2.0 i with gasoline straight-4 2.0 L 99 HP engine (1987.1–1993.2)	15.49–20.65 lbf⋅ft15.49–20.65 lbf⋅ft21–28 N⋅m
2.0 i with gasoline straight-4 2.0 L 99 HP engine (1987.1–1993.2)	15.49–20.65 lbf⋅ft15.49–20.65 lbf⋅ft21–28 N⋅m
All other modifications	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreOil sump


All Ford gasoline straight-4 2.0 L N4B engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Ford gasoline straight-4 2.0 L NE5 engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Ford gasoline straight-4 2.0 L NEJ engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	5.9–7.38 lbf⋅ft5.9–7.38 lbf⋅ft8–10 N⋅m

expand_moreEngine management


Lambda sensor	36.88–51.63 lbf⋅ft36.88–51.63 lbf⋅ft50–70 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


All Ford gasoline V6 2.9 L B4B engines	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
All Ford gasoline V6 2.9 L B4C engines	18.44–22.13 lbf⋅ft18.44–22.13 lbf⋅ft25–30 N⋅m
All Ford diesel straight-4 1.8 L RFA engines	13.28–18.44 lbf⋅ft13.28–18.44 lbf⋅ft18–25 N⋅m
All Ford diesel straight-4 1.8 L RFB engines	13.28–18.44 lbf⋅ft13.28–18.44 lbf⋅ft18–25 N⋅m
All Ford diesel straight-4 1.8 L RFL engines	13.28–18.44 lbf⋅ft13.28–18.44 lbf⋅ft18–25 N⋅m
All other modifications	15.49–18.44 lbf⋅ft15.49–18.44 lbf⋅ft21–25 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


All Ford gasoline straight-4 2.0 L N4B engines	14.75–20.65 lbf⋅ft14.75–20.65 lbf⋅ft20–28 N⋅m
All Ford gasoline straight-4 2.0 L NE5 engines	14.75–20.65 lbf⋅ft14.75–20.65 lbf⋅ft20–28 N⋅m
All Ford gasoline straight-4 2.0 L NEJ engines	14.75–20.65 lbf⋅ft14.75–20.65 lbf⋅ft20–28 N⋅m
All other modifications	11.06–15.49 lbf⋅ft11.06–15.49 lbf⋅ft15–21 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1988 Ford Sierra Wagon 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 Sierra Wagon 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 1988 Ford Sierra Wagon you're not only saving money, but also also improving your technical skills and learning something new.

1988 Ford Sierra Wagon Second generation (MK2) Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Ford Sierra Wagon Second generation (MK2) model years

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