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www.fordforumsonline.com > Ford Tech Forums > Engine & Drivetrain
May 7, 2010 - 2 posts - 2 authors
ISO torque specs for the intake & plenum for a 98 Windstar...3.8 with the ... Our community is here to help you with any questions you have related to your Ford. ... Lower Intake Manifold to Cylinder Head Bolt 8-12 - (71-106).
its not very hard at all. once you get the heads off just make sure you follow the proper sequence to tighten the bolts. always remember to tighten from the center bolts out to the end bolts so the heads seat flat and even. and make sure you have the proper torque specs for those head bolts. 1) hand tighten. 2) torque to half of the OEM spec. 3) full torque spec. all of this takes a while to do so be patient.
If you want the torque specs on every single bolt on your engine, your throwing a wide loop. Can you narrow it down to a single component? As an example, if you want cylinder head torque specs, I might be able to find that, if you give us the engine size?
Some libraries carry automotive databases, they should have some torque specs.
Position the cylinder head on the cylinder block. Tighten the cylinder head bolts in 2 steps following the proper torque sequence. The first step is 37 ft. lbs. (50 Nm) and the second step is 68 ft. lbs. (92 Nm).
torque specs for these bolts can be found in a Haynes or Chilton manual availiable from your local parts store, or maybe at your local library, however these bolts are usually no more than 14 ft pounds, unlike cylinder head bolts, the bolts do not need to have any stretch factor to hold the oil pan gasket in place or sealed.
Differential bearing caps 70-85 ft lb
Ring gear bolts 70-85 ft lb
Pinion bearing preload if using original bearings 8-14 lb-in, if installing new bearings 16-28 lb-in
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