Question about 1981 Ford Bronco
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Posted on Jan 02, 2017
Tighten the cylinder head bolts to 50 N·m (37 lb ft) in sequence.
Posted on Mar 10, 2010
You need to buy the manual, because you also need to know the order in which to torque them.
usually you start at the middle and circle outward.
But they can differ. Some cars you always need to put in new head bolts. Others are done in several stages. This is too critical to take chances on.
If you really can't afford $19 for a manual, go to the library and xerox the pages.
Posted on Feb 09, 2010
.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
Posted on Mar 16, 2010
The specs are 10 degrees. 1st find the timing mark indicator on the front of the engine, clean it off so it is visible, 2nd find the timing mark on the harmonic balancer on the front of the engine(lower pulley), mark it (groove) with white chalk and wipe off excess, this will make it easier to see while engine is running. 3rd find the shorting plug for the distributor, should be on the left hand fender well up by the firewall, 2 wire connector with a grey or black plug stuck in it with no wires coming out. To set timing, hook up timing light, remove shorting plug and observe timing mark while engine is running, it should be steady at 10 degrees, if not loosen distributor lock bolt and rotate distributor until it does. It is very important that the shorting plug be removed, this is the only way to reach base timing (w/o computer). When finished reinstall shorting plug, ignition timing will be advanced by the computer automatically. Hope this helps, let me know.
Posted on Aug 04, 2010
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