4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Where do I find 4.6 dohc torque specs?

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Old Jan 12, 2009 | 10:44 PM
  #1  
boostanggt's Avatar
boostanggt
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Default Where do I find 4.6 dohc torque specs?

I started assembly my 03' cobra motor and I am wondering if anyone knows where I can find torque specs for main caps, studs, ect. Thanks.
Old Jan 12, 2009 | 10:52 PM
  #2  
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Originally Posted by boostanggt
I started assembly my 03' cobra motor and I am wondering if anyone knows where I can find torque specs for main caps, studs, ect. Thanks.
4.6L Torque Specs

Camshafts caps to head 71-106 in/lbs

Camshaft sprocket bolts 82-92 ft/lbs

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

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
-1997-later 41-53 ft/lbs

Oil filter adapter bolts 15-22 ft/lbs

Oil pan to engine block bolts
-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
-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





hope this helps
Old Jan 12, 2009 | 11:08 PM
  #3  
defconfire's Avatar
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I'm hoping you just copy pasta'd that because that was a lot to type.
Old Jan 12, 2009 | 11:19 PM
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Originally Posted by defconfire
I'm hoping you just copy pasta'd that because that was a lot to type.
some of it was copy and paste
Old Jan 12, 2009 | 11:29 PM
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That will do the job. Where did you get these?
Old Apr 15, 2020 | 07:34 PM
  #6  
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Joined: Apr 2020
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From: california
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Does this apply to the 2001cobra as well? Having a hard time finding the torque specs on the head and cam fasteners
Old Apr 16, 2020 | 07:01 AM
  #7  
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WhiteFoxGT
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Originally Posted by Jesse Gonzalez
Does this apply to the 2001cobra as well? Having a hard time finding the torque specs on the head and cam fasteners
Head bolts: step one tighten to 30ftlbs, step two rotate additional 90 degrees, step 3 loosen bolts one full turn. step 4 tighten to 30ftlbs, step 5 rotate additional 90 degrees. step 6 rotate additional 90 degrees

Cam caps are 89 inch lbs. Secondary cam sprocket is 37ftlb
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