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That's true. Now that I think about it, the 4.0 doesn't have a gasket for the TB, just an O-ring that's pre-installed in the TB and doesn't get removed
I would still replace it. They're like 3-5 bucks.
PS: I have a gasket on mine. :P
When I mentioned gasket, I meant any seals :P O-rings, etc...
Word "Brittle"
Please add me to the group that learned the value of cleaning the TB and MAF. The TB was very dirty. It took a 1/2 an hour and a fine tooth brush, but it paid off. I sprayed and sprayed until the metal was clean. The MAF was much easier, just a quick spray or two and all was cleaned. Any idea on what a garage might have charged?