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  #1  
Old 10-04-2011, 08:29 PM
Cdy291 Cdy291 is offline
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Default Intake manifold torque specs

There are 6 bolts on the upper intake manifold that I need to know the order which they are supposed to be tightened. The chilton manual says to tighten then to 138 inch pounds, then go to 19 foot pounds. I obviously did something wrong though because I snapped a bottle in the process. 19 foot pounds seems scary tight.
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Old 10-04-2011, 08:41 PM
lovemud lovemud is offline
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Default Re: Intake manifold torque specs

i just did mine tonight and hayins ( how ever you spell it) boo told me the same thing not in what order they went in. i just went in a zigg zag and it worked just fine started at the short bolt then moved to the first top then the last bottom then right up top and down to the last one
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Old 10-05-2011, 01:49 AM
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Default Re: Intake manifold torque specs

Upper Intake torque specs and sequence



Lower Intake torque specs and sequence
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Old 03-05-2017, 06:26 PM
Miami592 Miami592 is offline
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Default Re: Intake manifold torque specs

I snapped what appears to be the #1 bolt (driver side middle) while torquing it to 19 ft lbs per the Haynes manual. Anyone know an updated source? Anyone done this before?
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Old 03-05-2017, 06:36 PM
JAMMANICA JAMMANICA is online now
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Default Re: Intake manifold torque specs

It wasn't the torque that snapped the bolt, it was already stressed because I can almost tighten an aluminum 1/4-20 tighter than that without it snapping.

Either the bolt was stressed already by being abused in one of many ways not necessarily by you but a previous owner/mechanic OR there is something wrong with your torque wrench or you had it set wrong/didn't hear the beep or click depending on what style of torque wrench. 20 foot pounds isn't the problem.
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Old 03-06-2017, 01:56 PM
hyghwayman hyghwayman is offline
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Default Re: Intake manifold torque specs

Quote:
Originally Posted by Miami592 View Post
I snapped what appears to be the #1 bolt (driver side middle) while torquing it to 19 ft lbs per the Haynes manual. Anyone know an updated source? Anyone done this before?
Quote:
Originally Posted by JAMMANICA View Post
It wasn't the torque that snapped the bolt, it was already stressed because I can almost tighten an aluminum 1/4-20 tighter than that without it snapping.

Either the bolt was stressed already by being abused in one of many ways not necessarily by you but a previous owner/mechanic OR there is something wrong with your torque wrench or you had it set wrong/didn't hear the beep or click depending on what style of torque wrench. 20 foot pounds isn't the problem.
10Nm = 7Ft Lb

19FT LB = 25Nm OVER 2X THE SPECIFIED TORQUE
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Old 03-07-2017, 07:52 AM
2trux 2trux is offline
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Default Re: Intake manifold torque specs

Quote:
Originally Posted by STL View Post
Upper Intake torque specs and sequence



Lower Intake torque specs and sequence
STL's post shows different torque specs between the upper and the lower, which were you doing?
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Old 03-15-2017, 10:26 AM
Miami592 Miami592 is offline
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Default Re: Intake manifold torque specs

I was doing the top (pic A0032700). It was #1 bolt that snapped. I was taking my time with my 1/4" drive torque wrench. I actually had the wrench set for about 15 ft/lbs as 19 was at the upper end of my wrench & I was trying to be careful.

All of that being said I guess I should have read this post before trustinh my Haynes. 7 ft/lbs would have been cake. The other bolts torqued just fine before #1 snapped.

I've no air leaks now but I'll need to get this rectified. Does anyone know where I can source a new upper intake plenum bolt? I've found plenty of head bolts and lower intake but nothing for the top.

Thanks in advance, I appreciate all the comments-M5

Last edited by Miami592; 03-15-2017 at 10:28 AM. Reason: clarification
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Old 03-15-2017, 11:07 AM
hyghwayman hyghwayman is offline
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Default Re: Intake manifold torque specs

stealership or jy
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