Guest G Froelich Posted September 20, 2009 Share Posted September 20, 2009 Finally made it to a junk yard and found a 3300 with a decent vacuum port (the plastic part that sits atop the throttle body adapter). My Reatta came with one that had a couple flanges broken off and I've had doubts that the jimmied tube connections were really airtight. My question: Should some kind of sealant or adhesive or gasket go between the plastic part and the metal adapter body? The one on my car seemed to have a sealant, but the one on the junker didn't. Is a good silicon adhesive enough to make it an airtight and heatproof connection? Thanks! Link to comment Share on other sites More sharing options...
Guest Drake Posted September 20, 2009 Share Posted September 20, 2009 I'm at work right now, till midnight, but there is a gasket for that assembly. I ordered mine from Buick. When I get home, I'll post the part number & price. Link to comment Share on other sites More sharing options...
Guest Drake Posted September 21, 2009 Share Posted September 21, 2009 (edited) G Froelich,the vacuum block gasket is listed as: GASKET-VACUUM. GM part #25537222. Cost approx: $5.00. The gasket goes between the vacuum block and the intake manifold. I believe this is what you're looking for. Edited September 21, 2009 by Drake (see edit history) Link to comment Share on other sites More sharing options...
Guest G Froelich Posted September 21, 2009 Share Posted September 21, 2009 Drake, that's exactly what I'm looking for--I'm ordering it today. Many thanks! Hopefully, my high-temp gasket maker will do until it comes. By the way, I found the diagram showing the piece from the GM parts catalog on compnine, but I don't think the FSM ever shows or discusses it (I've looked!). Link to comment Share on other sites More sharing options...
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