Especificaciones de Torque para un 4.6L

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Especificaciones de Torque para un 4.6L

Mensaje  ojmn el Miér 27 Mayo 2009, 11:04 am

4.6L Torque Specifications*
(ft-lbs unless otherwise indicated)

Camshaft sprocket bolts......................................82 to 95
Camshaft caps to cylinder head...........................71 to 106 in-lbs
Timing chain cover bolts .....................................15 to 22
Drive belt idler and tensioner bolts......................15 to 22

Cylinder head bolts
4.6L-SOHC
Step 1..........................................................28 to 31
Step 2..........................................................Tighten an additional 90-degrees
Step 3..........................................................Loosen one turn
Step 4..........................................................28 to 31
Step 5..........................................................Tighten an additional 90-degrees
Step 6..........................................................Tighten an additional 90-degrees
4.6L-DOHC
Step 1..........................................................28 to 31
Step 2..........................................................Tighten an additional 90-degrees
Step 3..........................................................Tighten an additional 90-degrees

Vibration damper-to-crankshaft bolt
1996 ...............................................................114 to 121
1997 and later
Step 1..........................................................66
Step 2..........................................................Loosen one full turn
Step 3..........................................................36
Step 4..........................................................Tighten an additional 90-degrees

Valve cover bolts .................................................71 to 106 in-lbs

Oil pan-to-engine block bolts
1996 ...............................................................15 to 22
1997 and later
Step 1..........................................................15
Step 2..........................................................Tighten an additional 60-degrees

Exhaust manifold-to-cylinder head nuts ..............14 to 16
Intake manifold -to-cylinder head bolts
4.6L-SOHC......................................................15 to 22*
4.6L-DOHC
Upper plenum to intake...............................71 to 106 in-lbs
Intake to lower side plates (2 small bolts) ..71 to 106 in-lbs
Intake/side plates assembly to cylinder head
Step 1 ......................................................15 to 22
Step 2 ......................................................Tighten an additional 90-degrees

Oil filter adapter bolts ..........................................15 to 22
Oil cooler-to-filter adapter insert
1996 ...............................................................59 to 74
1997 and later ................................................41 to 53
Oil pump-to-engine block mounting bolts ...........71 to 106 in-lbs
Oil pick-up tube-to-main bearing cap nut ............15 to 22
Oil pick-up tube-to-oll pump bolts.......................71 to 106 in-lbs
Flywheel/driveplate mounting bolts .....................59 to 64
Ignition coil brackets to front cover.....................15 to 22
Timing chain tensioners/guides ..........................15 to 22
Engine mount-to-engine block bolts/studs..........25 to 33
Engine mount stud to crossmember nuts ...........95 to 126
Engine compartment brace bolts.........................15 to 22
Wheel lug nuts.....................................................85 to 105
Firing order..........................................................1-3-7-2-6-5-4-8

*After assembly, retorque with the engine hot. (Despues del enzamblado, ajustar cuando el motor esté caliente)
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ojmn

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