Torque for the intake manifold boots?

[Anonymous]

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?

[earlfor]

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

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?

[Anonymous]

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.

[KEITH KRAUSE]

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.

[Anonymous]

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.

[earlfor]

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

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.