Intake torque values. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-07-2005, 09:23 PM   #1
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Default Intake torque values.

I was looking at my 96 Regal factory service manual and noticed they had the intake manifold torque values reversed.

Quote:
This is wrong.
Upper intake manifold = 11 lb. ft.

Lower intake manifold = 89 lb. in.
Someone else ran across this same misprint in an earlier post.

In the Techinfo section the upper and lower intake manifold torque values are kind of vague.


Intake Manifold________________________Ft/Lbs
87-90 Vin 3 (in sequence)..............47
87-90 Vin C (twice, in sequence).......88 (In/Lbs)
Throttle body bolts....................20
91-99 (except 95-97 Vin 1 and K).......89 (In/Lbs, twice, in sequence)
1995 Vin K (twice, in sequence)........89 (In/Lbs)
96-97 Vin K (in sequence)..............11
95-99 Vin 1............................11
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Old 11-07-2005, 10:03 PM   #2
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According to Alldata these torque values are correct that you posted. When I took my upper intake off today, I could pratically turn all the 8mm bolts by hand without the ratchet. One the upper intake manifold I would assume those torque values are correct because when you tighten up the upper intake if you tightened it too tight, you could possibly crack it.
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Old 11-08-2005, 12:31 PM   #3
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89 in-lb - upper intake
11 ft-lbs - lower intake.

verified this morning via gm'* own service documentation.
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Old 11-08-2005, 02:49 PM   #4
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Thanks mkaake

For setting things straight.

It is disturbing to find misprints, like this, in factory service manuals.
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Old 11-08-2005, 02:52 PM   #5
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Quote:
Originally Posted by ron350
Thanks mkaake

For setting things straight.

It is disturbing to find misprints, like this, in factory service manuals.
Usually it doesn't matter..the mechanics don't use them..lol
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