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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


5.8LM (351M) and 6.6L (400cu. in.)
Component Torque
alternator adjusting arm-to-Alternator bolt 24-40 ft. lbs.
alternator adjusting arm-to-Engine block bolt 15-20 ft. lbs.
alternator bracket-to-Engine block bolt 15-20 ft. lbs.
camshaft sprocket bolt 40-45 ft. lbs.
camshaft thrust plate bolts 9-12 ft. lbs.
crankshaft damper-to-Crankshaft bolt 70-90 ft. lbs.
crankshaft pulley bolts 35-50 ft. lbs.
cylinder head bolts step 1 75 ft. lbs.
step 2 95-105 ft. lbs.
distributor hold down bolt 20 ft. lbs.
EGR valve-to-Carburetor spacer 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 bolt 10-15 ft. lbs.
nut 14-20 ft. lbs.
intake manifold bolts 3/8 in. Bolts 22-32 ft. lbs.
5/16 in. Bolts 19-25 ft. lbs.
intake manifold vacuum fittings 6-10 ft. lbs.
main bearing cap bolts 70-90 ft. lbs.
oil filter-to-Adapter or Engine block NOTE
oil filter insert-to-Engine block or adapter 20-30 ft. lbs.
oil inlet-to-Main bearing cap bolt 22-32 ft. lbs.
oil pan bolts 7-9 ft. lbs.
oil pan drain plug(s) 15-25 ft. lbs.
oil pump bolts 22-32 ft. lbs.
radiator fan-to-Water pump bolts/Nuts 12-18 ft. lbs.
rocker arm cover bolts 3-5 ft. lbs.
rocker arm stud/Bolt-to-Cylinder head 18-25 ft. lbs.
rod bearing cap nuts 40-45 ft. lbs.
spark plugs 10-15 ft. lbs.
starter mounting bolts 15-20 ft. lbs.
thermactor pump adjusting arm-to-Pump bolt 22-32 ft. lbs.
thermactor pump bracket-to-Engine block bolt 30-45 ft. lbs.
thermactor pump pivot bolt 35-45 ft. lbs.
thermactor pump pulley-to-Pump hub 12-18 ft. lbs.
thermostat housing-to-Engine bolts 12-18 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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