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Author Topic: Gasket replacement  (Read 6805 times)

Steve McF

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Gasket replacement
« on: 21 April 2018, 10:58:09 PM »
Silly question alert!!!!

Presumably when cleaning the MAF sensr and throttle body, the gasket or rubber seal should be replaced with a new part.

Do these gaskets have to be smeared with any sort of sealer or oil before everything is put back together?
« Last Edit: 22 April 2018, 05:01:33 PM by Steve McF »
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sgould

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Re: Gasket replacement
« Reply #1 on: 22 April 2018, 10:12:23 AM »
No sealant.  But I usually wipe the area and the gasket with a touch of oil so that it can move a bit to even out any local stresses. 

If you are pushing a pipe through an O ring, then you need plenty of lubricant to stop the O ring seal being dragged out of place.  If something is just sitting on a rubber seal, the tiny bit of oil is there just to let it squirm a bit in the groove and settle in evenly.
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Steve McF

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Re: Gasket replacement
« Reply #2 on: 22 April 2018, 05:04:07 PM »
Thanks Will. Was going to look at cleaning sensors today only to find I hadn't got any gaskets anyway :D So washed and polished the car instead.....

Which means there will be pics in the gallery soon, and more questions in the 9-3ss forum :D ::) ::) ha ha
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aerojon

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Re: Gasket replacement
« Reply #3 on: 22 April 2018, 06:59:01 PM »
When I cleaned the MAF,MAP and IAT sensors,i smeared the o rings with a small amount of silicone lubricant with a cotton bud..Found it easier to relocate sensor by twisting and push at the same time...
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Max Headroom

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Re: Gasket replacement
« Reply #4 on: 23 April 2018, 10:59:34 AM »
I'll second the silicone grease method Aerojon speaks of

Silicone grease won't damage rubber seals; but you will only need the thinnest of coatings
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