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Mustang Torque Specifications Specs
Below are torque specs for 5.0L, 4.6L, 3.8L, and 2.3L Mustangs. These specifications are meant as a general guide, and MuscularMustangs.com will not be held responsible for any errors or typos. Please be aware of the differences between ft/lb and in/lb settings. We highly recommend that you consult the manufacturers repair manual or even better yet go out and buy yourself a Haynes/Chiltons repair manual for your specific year/model.

5.0L Torque Specs
Belhousing to engine bolts 28-38 ft/lbs
Camshaft sprocket bolt 40-45 ft/lbs
Camshaft thrust plate to engine block bolts 108-144 in/lbs
Crankshaft pulley to vibration damper bolts 35-50 ft/lbs
Cylinder head bolts
  -1979-1992
    --Step 1 55-65 ft/lbs
    --Step 2 65-72 ft/lbs
  -1993-up
    --Step 1 25-35 ft/lbs
    --Step 2 45-55 ft/lbs
    --Step 3 75-85 ft/lbs
Differential shaft lock bolt 15-30 ft/lbs
Driveshaft U-joint to pinion flange bolts 70-95 ft/lbs
Exhaust manifold bolts 26-32 ft/lbs
Flywheel mounting bolts 75-85 ft/lbs
Front engine mount nuts 72-98 ft/lbs
Intake manifold to head bolts
    --Step 1 96 in/lbs
    --Step 2 16ft/lbs
    --Step 3 23-25 ft/lbs
Intake manifold (upper intake to lower) 12-18 ft/lbs
Oil filter insert to engine block adapter bolt 20-30 ft/lbs
Oil pan mounting bolts
  -1979
    --Step 1 (Large bolts) 11-13 ft/lbs
    --Step 1 (Short bolts) 7-9 ft/lbs
    --Step 2 (Large Bolts) 15-17 ft/lbs
    --Step 2 (Short Bolts) 10-12 ft/lbs
  -1980 to 1987 9-11 ft/lbs
  -1988 to 1993 6-9 ft/lbs
  -1994-up 110-144 in/lbs
Oil pickup tube to main bearing cap nut 22-32 ft/lbs
Oil pickup tube to oil pump bolts
  -1979 to 1987 10-15 ft/lbs
  -1988-up 12-18 ft/lbs
Oil pump mounting bolts 22-32 ft/lbs
Pinion bearing preload 8-14 in/lbs
Pressure plate to flywheel bolts 12-24 ft/lbs
Rocker arm fulcrm bolts 18-25 ft/lbs
Spark plugs 7-14 ft/lbs
Timing chain cover bolts 12-18 ft/lbs
Vibration damper to crackshaft bolt 110-130 ft/lbs
Wheel lug nuts 85-105 ft/lbs
 

 

4.6L Torque Specs
Camshafts caps to head 71-106 in/lbs
Camshaft sprocket bolts 82-92 ft/lbs
Cylinder head bolts  SOHC (two valve GT and Bullitt)
    --Step 1 28-31ft/lbs
    --Step 2 Tighten additional 90 degrees
    --Step 3 Loosen one full turn
    --Step 4 28-31ft/lbs
    --Step 5 Tighten additional 90 degrees
    --Step 6 Tighten additional 90 degrees
Cylinder head bolts  DOHC (four valve Cobra, and Mach One)
    --Step 1 28-31ft/lbs
    --Step 2 Tighten additional 90 degrees
    --Step 3 Tighten additional 90 degrees
Drive belt idler and tensioner bolts 15-22 ft/lbs
Engine compartment brace bolts 15-22 ft/lbs
Engine mount to engine block bolts/studs 25-33 ft/lbs
Engine mount stud to crossmember nuts 95-126 ft/lbs
Exhaust manifold to cylinder head bolts 14-16 ft/lbs
Flywheel moutning bolts 59-64 ft/lbs
Ignition coil brackets to front cover 12-22 ft/lbs
Intake and side plates assembly to cylinder head
    --Step 1 15-22 ft/lbs
    --Step 2 Tighten additional 90 degrees
Intake manifold to cylinder head bolts
SOHC (two valve GT and bullitt) 15-22 ft/lbs
DOHC (four valve Cobra and Mach One)
Upper plenum to intake 71-106 in/lbs
Intake to lower side plates 71-106 in/lbs
    --Step 1 15 ft/lbs
    --Step 2 Tighten additional 90 degrees
Oil cooler to filter adapter insert
  -1996 59-74 ft/lbs
  -1997-later 41-53 ft/lbs
Oil filter adapter bolts 15-22 ft/lbs
Oil pan to engine block bolts
  -1996 15-22 ft/lbs
  -1997-later
    --Step 1 15 ft/lbs
    --Step 2 Tighten additional 60 degrees
Oil pick up tube to main bearing cap nut 15-22 ft/lbs
Oil pick up tube to oil pump bolts 71-106 in/lbs
Oil pump to engine block mounting bolts 71-106 in/lbs
Thermostat housing bolts 15-22 ft/lbs
Timing chain cover bolts 15-22 ft/lbs
Timing chain tensioners and guides 15-22 ft/lbs
Valve cover bolts 71-106 in/lbs
Vibration dampner to crankshaft bolt
  -1996 114-121 ft/lbs
  -1997-later
    --Step 1 66 ft/lbs
    --Step 2 Loosen one full turn
    --Step 3 36 ft/lbs
    --Step 4 Tighten additional 90 degrees
Water pump mounting bolts 15-22 ft/lbs
Water pump pulley mounting bolts 15-22 ft/lbs
Wheel lug nuts 85-105 ft/lbs
 

 

3.8L Torque Specs
Camshft sprocket bolt 30-36 ft/lbs
Camshaft thrust plate bolts 72-120 in/lbs
Crankshaft pulley to vibration damper bolts 20-28 ft/lbs
Cylinder head bolts
  -1994 to 1995
    --Step 1 15 ft/lbs
    --Step 2 29 ft/lbs
    --Step 3 37 ft/lbs
    --Step 4 Loosen 2 full turns (from this point on, work with one bolt at a time)
    --Step 5 (Long bolts) 11-19 ft/lbs
    --Step 5 (Short bolts) 7-15 ft/lbs
    --Step 6 Tighten additional 90 degrees
  -1996-later
    --Step 1 15 ft/lbs
    --Step 2 29 ft/lbs
    --Step 3 36 ft/lbs
    --Step 4 Loosen 2 full turns (from this point on, work with one bolt at a time)
    --Step 5 (Long bolts) 29-37 ft/lbs
    --Step 5 (Short bolts) 11-18 ft/lbs
    --Step 6 Tighten additional 180 degrees
Exhaust manifold bolts 23-26 ft/lbs
Flywheel mounting bolts 54-64 ft/lbs
Intake manifold to cylinder head bolts
Oil pan mounting bolts 84-108 in/lbs
Oil pump and filter body to front cover
8mm bolt 17-23 ft/lbs
6mm bolt 72-96 in/lbs
Rocker arm fulcrum bolts
  -1994 to 1995
    --Step 1 44 in/lbs
    --Step 2 19-25 ft/lbs
  -1996-later
    --Step 1 44 in/lbs
    --Step 2 22-29 ft/lbs
  -1994 to 1995
    --Step 1 96 in/lbs
    --Step 2 15 ft/lbs
  -1996-later
    --Step 1 72 in/lbs
    --Step 2 108 in/lbs
Spark plugs 7-14 ft/lbs
Timing chain cover to block bolts 15-22 ft/lbs
Valve cover bolts 72-108 in/lbs
Vibration damper bolt 103-132 ft/lbs
Water pump to timing chain cover bolts 15-22 ft/lbs
Wheel lug nuts 85-105 ft/lbs
 

 

2.3L Torque Specs
Auxillary shaft sprocket bolt 28-40 ft/lbs
Auxillary shaft retaining plate screws 6-9 ft/lbs
Camshaft cover bolts 6-8 ft/lbs
Camshaft cover shield bolt 28-40 ft/lbs
Camshaft retaining plate bolt 6-9 ft/lbs
Camshaft sprocket bolt 50-71 ft/lbs
Crankshaft pulley pulley/sprocket bolt
  -1979 to 1986 100-120 ft/lbs
  -1987 to 1990 103-133 ft/lbs
  -1991-up 114-151 ft/lbs
Cylinder head bolts
    --Step 1 50-60 ft/lbs
    --Step 2 80-90 ft/lbs
Engine mount to block bolts
  -1979 to 1981 35-60 ft/lbs
  -1982 40-55 ft/lbs
  -1983 to 1987 33-45 ft/lbs
  -1988-up (non convertible) 33-45 ft/lbs
  -1988-up (convertible) 25-35 ft/lbs
Engine mount to frame nuts and bolts
  -1979 to 1981 40-60 ft/lbs
  -1982 70-90 ft/lbs
  -1983 57-65 ft/lbs
  -1984 50-65 ft/lbs
  -1985 non turbo 80-106 ft/lbs
  -1985 turbo (bolts) 33-45 ft/lbs
  -1985 turbo (nuts) 50-65 ft/lbs
  -1986 45-55 ft/lbs
  -1987-up (bolt 45-63 ft/lbs
  -1987-up (nut) 80-106 ft/lbs
Engine mount to bracket bolt 65-85 ft/lbs
Exhaust manifold bolts
  -1979 to 1986
    --Step 1 60-84 in/lbs
    --Step 2 16-23 ft/lbs
  -1987 to 1990
    --Step 1 179-204 in/lbs
    --Step 2 20-30 ft/lbs
  -1991-up (regular bolts)
    --Step 1 15-17 ft/lbs
    --Step 2 20-30 ft/lbs
  -1991-up (stud type bolts) 20-33 ft/lbs
Flywheel mounting bolts 56-64 ft/lbs
Intake manifold bolts
  -1979 to 1986
    --Step 1 5-7 ft/lbs
    --Step 2 14-21 ft/lbs
  -1987 and 1988 15-22 ft/lbs
  -1989-up 20-29 ft/lbs
Oil pan to engine block bolts
  -1979 to 1986 (small bolts) 72-96 in/lbs
  -1979 to 1986 (large bolts) 96-120 in/lbs
  -1987 to 1990 120-162 in/lbs
  -1991-up 120-144 in/lbs
Oil pump bolts 14-21 ft/lbs
Oil pump pick up tube bolts 14-21 ft/lbs
Timing belt outer cover bolts 6-9 ft/lbs
Timing belt tensioner adjustment bolt 14-21 ft/lbs
Timing belt tensioner pivot bolt 28-40 ft/lbs

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your car or to yourself while working on your car. You work on your car at your
own risk. If you don't know you can do this yourself, bring it to a mechanic who can.
Any modifications, repairs or maintenance can be very dangerous, so be careful!