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Automotive Torque Specifications

Home Ford Ford Full Size 1975-87

Ford And Mercury Full Size 1975-87

LTD, Custom 500, Country Squire and Crown Victoria
Marquis, Grand Marquis and Colony Park

Engine

4.2L (255cu. in.), 5.0L (302cu. in.) and 5.8L (351W)
Component Torque
alternator adjusting arm-to-Alternator bolt 14-40 ft. lbs.
alternator bracket-to-Block bolt 12-18 ft. lbs.
camshaft sprocket gear-to-Camshaft bolts 40-45 ft. lbs.
camshaft thrust plate-to-Engine block bolts 9-12 ft. lbs.
crankshaft damper-to-Crankshaft bolt 70-90 ft. lbs.
Cylinder Head bolts 255cu. in. and 302cu. in. step 1 55-65 ft. lbs.
step 2 65-72 ft. lbs.
351W step 1 85 ft. lbs.
step 2 95 ft. lbs.
step 3 105-112 ft. lbs.
distributor hold down bolt 20 ft. lbs.
EGR valve-to-Carburetor spacer bolts 12-18 ft. lbs.
exhaust manifold bolts 18-24 ft. lbs.
flywheel-to-Crankshaft bolts 75-85 ft. lbs.
fuel pump-to-Engine Block or timing cover bolts 19-27 ft. lbs.
intake manifold bolts 23-25 ft. lbs.
intake manifold pipe fittings aluminum 12-18 ft. lbs.
cast iron 23-28 ft. lbs.
intake manifold vacuum fittings aluminum 6-10 ft. lbs.
cast iron 23-28 ft. lbs.
main bearing cap bolts 255cu in.  and 302cu. In. 60-70 ft. lbs.
351W 95-105 ft. lbs.
oil inlet tube-to-Main bearing cap bolts 22-32 ft. lbs.
oil filter NOTE
oil filter insert-to-Engine block adapter 20-30 ft. lbs.
oil pan bolts 9-11 ft. lbs.
oil pan drain plug 15-25 ft. lbs.
oil pump bolts 22-32 ft. lbs.
oil pump inlet tube 10-15 ft. lbs.
radiator fan-to-Water pump bolts or nuts 12-18 ft. lbs.
rocker arm cover bolts 3-5 ft. lbs.
rocker arm stud nut 17-23 ft. lbs.
rocker arm stud/Nut-to-Cylinder head 18-25 ft. lbs.
rod bearing cap nuts 255cu. in. and 302cu. in. 19-24 ft. lbs.
351W 40-45 ft. lbs.
spark plugs 10-15 ft. lbs.
starter motor-to-Engine block bolts 15-20 ft. lbs.
thermactor pump adjusting arm-to-Pump 22-32 ft. lbs.
thermactor pump bracket bolts 30-45 ft. lbs.
thermactor pump pivot bolt 22-32 ft. lbs.
thermactor pump pulley-to-Pump hub 12-18 ft. lbs.
thermostat housing cover-to-Engine bolts 9-12 ft. lbs.
timing cover bolts 12-18 ft. lbs.
water pump-to-Engine block or timing cover bolts 12-18 ft. lbs.
NOTE Turn oil filter an additional 1/2 turn, after filter 
seal contacts engine.

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