Mike, I would suspect air leaks are coming from someplace other than the intake manifold. I probably have some leaks on one or more of the tubes or fittings that connect to intake manifold on my 1.9, but engine performs as I expect it should. If we could get all new hoses and fittings, we could probably make things tighter but does it really matter as long as engine does not run too lean? John in Macon, GA ----- Original Message ----- From: "Mike "Rocket J Squirrel" Elliott" <camping.elliott@GMAIL.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Thursday, September 27, 2007 12:54 PM Subject: Plugging leaks in intake manifold
> On my 1.9L, there is a strong suggestion that I have a leak in the > intake manifold. This based on pinching the auxiliary air regulator hose > when the engine is cold and not having the engine slow, as Bentley's > says it should. Take a look at the thread "An Auxiliary Air Regulator > puzzle" from yesterday for the details. > > I have gaskets and boots and other bits coming and I'm planning to just > disassemble the whole intake plenum and runners and stuff and primp and > floss everything. It doesn't look too hard, except for that coolant pipe > that goes sideways across the top of the engine. That thing appears to > be right in the darn way and looks like it will need to be removed. If > that's done, will the cooling system need to bled? > > -- > > Mike "Rocket J Squirrel" Elliott > 71 Type 2: the Wonderbus > 84 Westfalia: Mellow Yellow ("The Electrical Banana") > 74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano > KG6RCR |
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