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Torque for the intake manifold boots?

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

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I took off my boots becouse the new O-rings were not sealing. I am going to put some grease in them. While taking them off I had to cut one of the screws. Im going to buy new allen bolts to replace them. How much torque should I put on them? Is 5 LBS plenty?
 
Re: Torque for the intake manifold boots?

I assume you mean you're going to put some grease into the groove that the "O" ring fits into to hold it in place while you install the boots. I used 3-5 lbs of torque to install mine. If you tighten the two bolts a little at a time and evenly until you have taken up the slack, you will be able to feel the "O" ring start to crush. Then just snug it down with a couple lbs. You dont want it crushed flat.

Earl


chrisdnoel said:
I took off my boots becouse the new O-rings were not sealing. I am going to put some grease in them. While taking them off I had to cut one of the screws. Im going to buy new allen bolts to replace them. How much torque should I put on
them? Is 5 LBS plenty?
 
Should I buy new ones again?

Should I buy new ones again?

Should I buy new ones again if I have over tightened them? They look ok, but Im sure I flatened them last time. They are not flat now..... and they seem fine now that I have them out.
 
Being new, I would think they can "bounce back" and be fine.
I have a question. What kind of grease do you guys think would protect the o-rings? I tried white lithium grease years ago and it seemed to disappear fairly soon. I then tried the clear silicone grease and that seemed to disappear even faster. This time I tried regular marine grade bearing grease. I cannot say how its doing for sure because I really don't feel like taking things apart. It's been 1 year and I have not noticed ANY grease oozing/melting out. I take that as a good sign. With the other 2 greases, I noticed some loss of grease out the sides. I did try to use the same amount of grease in all 3 tries.
Any better suggestions? Besides protecting rubber, it needs to withstand the high heat.
You've got to put on some kind of grease, the o-rings will harden and crack very soon without protection.
 
It was recomened to me to do the same as you did.

It was recomened to me to do the same as you did.

It was recomended to me to do the same for the reasons you stated. If any one knows a better way we both would like to know. If not i will be using the same grease.
 
Re: Should I buy new ones again?

Re: Should I buy new ones again?

As long as the "O" rings are still round and pliable, I see no reason to buy new ones. I've removed mine and reinstalled them a couple time and they are fine. I use common high temp wheel bearing grease. Never had a problem with it.

Earl


chrisdnoel said:
Should I buy new ones again if I have over tightened them? They look ok, but Im sure I flatened them last time. They are not flat now..... and they seem fine now that I have them out.
 
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