1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

how many bolts are holding the intake manifold (85 12a)? Need help quick

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Old 08-08-04, 11:07 PM
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how many bolts are holding the intake manifold (85 12a)? Need help quick

Hi, all

I am having trouble take the intake off, please advise.

Thanks
Old 08-08-04, 11:21 PM
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6 total, 4 total on outsides and 2 in the center. rx7doctor
Old 08-08-04, 11:26 PM
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Ok, Do I need elan(spell?) rench to take off the two in the center? Thanks man!
Old 08-08-04, 11:29 PM
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Four bolts. Two nuts. All 12mm unless some dorky mechanic lost one and replaced it with a typical 13mm aftermarket bolt (yuck). There are two bolts per end plate and one nut on each rotor housing. The intermediate has nothing. The bolts are easy enough to see and are mirror images of each other. The nuts are at the bottom of the manifold flange near the exhaust nuts. It's possible that you could mistake an exhaust nut for an intake nut. Just poke around down there with a 12mm socket and you'll be good. The exhaust nuts are 14mm, by the way.
Old 08-08-04, 11:31 PM
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You might need an Elaine wrench if some previous mechanic decided to replace the studs in the rotor housings for some reason. The studs are held in with a thread locker, so it's unlikely they've been replaced.

Last edited by Jeff20B; 08-08-04 at 11:47 PM.
Old 08-08-04, 11:31 PM
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Sorry, did not catch lingo? Should not need anything special except extension. They are just a little tough to feel for. rx7doctor
Old 08-09-04, 12:56 AM
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Thank you all. I got it off.
Old 08-09-04, 01:46 AM
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By Jove, I think he's got it!
Old 08-09-04, 02:21 AM
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i think your refering to the MANLY WRENCH (allan)wrench
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