Torque Specs Runner / Plenum Bolts ??

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Nov 17, 2001 | 10:04 AM

Juliet

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From: Maryland

Torque Specs Runner / Plenum Bolts ??

I can't find it anywhere in the manual. What torque should I use for the bolts holding the plenum and runners together? If you have it in your service manual, can you please tell me the page number? :) Thanks, ~Juliet

Nov 17, 2001 | 11:17 AM

87SAM

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From: Boise ID

Re: Torque Specs Runner / Plenum Bolts ?? (Juliet)

Hope some one else can be of more help. I have never found this in the manual either. It shows manifold to head and fuel rail torque specs. Seems like I but my to around 20lbs on the advice of other forum members but I can not be sure now. Maybe I have it written down in the garage somewhere.

Nov 17, 2001 | 11:51 AM

-=Jeff=-

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From: Bartlett Illinois

Re: Torque Specs Runner / Plenum Bolts ?? (Juliet)

for Runner to Plenum bolts it shows 18 lb. ft. in my Service Manual for my 89 (page 6A1-5) same for the Runner to Base bolts

Nov 17, 2001 | 12:23 PM

War Machine

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From: Airport Cruise-in 1 Veteran Airport Cruise-in 2 Veteran

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Re: Torque Specs Runner / Plenum Bolts ?? (Juliet)

Juliet, I see what you mean. Trying to find the torque spec in the service manual is like looking for a needle in a haystack. :crazy:

You figure they would give it on/around pp. 6E3-C2-5 but I could'nt find it in the Haynes nor the Helm. :smash:

All it says is tighten all bolts securely so, tighten them securely. :yesnod:

-John

Nov 17, 2001 | 01:24 PM

pablocruise

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From: Santa Maria, CA

Re: Torque Specs Runner / Plenum Bolts ?? (Juliet)

I heard no more than 19 and you're safe. There is erroneous info out there in print saynig 25 or something. I don't want to try and find if that will hold or not.

Nov 17, 2001 | 03:24 PM

Juliet

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From: Maryland

Re: Torque Specs Runner / Plenum Bolts ?? (89 Paul in cal)

Thanks everyone. I tightened them down a bit. Our torque wrench only goes down to 20 lbs. I'll have to get a lighter duty one I suppose. All the specs on the TB were in in-lbs. :D But on the good side - it's back together & RUNNING! :D I'll find out during Monday AM's commute if code 32 is gone for good or not. ;) I'll retorque them to 18 lbs later this week. Glad I'm not the only one who can't find stuff in the service manual. :eek: ...I think. ;) ~Juliet

Nov 17, 2001 | 04:52 PM

Aggravated4life

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Re: Torque Specs Runner / Plenum Bolts ?? (Juliet)

Ive found my own method to work pretty good.
When i tighten down the bolts,I do so back and forth until they all evenly snug up the runners and plenum.
Then when Im final tightening them, I use the 'wrist" method.When making the last turns, I turn it by wrist holding the head of the ratchet,not by elbow or whole arm,etc.
When I cant turn anymore and it feels snug,I go to the next one.Everyones arms and etc are different as far as strength goes,but this method has not once let me down or was too tight or came loose.

These aluminum pieces have kinda weak thread holes.Always clean them out and I also use a little anti seize on the threads.Worse thing that can happen with anti seize is that it can allow a bolt to back off,but I check them for like the next 2-3 oil changes and ensure theyre snug.They always stay where they are.Anti seize will keep the bolts from stripping the holes or getting stuck in there.

:)

Nov 17, 2001 | 08:26 PM

Juliet

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From: Maryland

Re: Torque Specs Runner / Plenum Bolts ?? (Bill's86Coupe)

Thanks Bill. I put anti seize on everything which goes into Alum.... I doubt I overtightened mine. I used a similar technique. Plus I have a history of undertightening things. :eek: When I put my trans X-member back into the 70 I had Greg test them for tightness. I didn't want to go leaving my trans on the middle of the road somewhere.

At any rate it ran fine as I did errands all afternoon! YIPPEE! I think I fixed it -and all by myself ~ with a little advice from my forum friends! :D Thanks for all your help. :cool: :lol: