Anyone know this connector?
Thread Starter
Intermediate
Joined: Aug 2012
Posts: 34
Likes: 0
From: Stevensville Michigan
Anyone know this connector?
While cleaning the engine bay on my '95 LT-1, I found what looks like a pneumatic connector of some sort not connected. It is a gray, 90 degree connector attached to a (vacuum?) hose which is wrapped in a protective tube (much like a wiring harness cover). It was tucked under the throttle linkage at the front of the engine (I've tried to attach pictures). Anybody know what it is and where it connects to? It comes from under the front of the engine. There is a empty hole in the air intake right behind the MAF sensor that it fits but I'm not sure that's the right place. Car seems to be running fine as is. Sorry, if I seem ignorant but can't find any reference to it anywhere.
Thanks!
Mike
Thanks!
Mike
Team Owner
Joined: Dec 1999
Posts: 34,873
Likes: 487
From: Lacey WA RVN 68-69
NCM Sinkhole Donor
This thread in C4 General talks about a vacuum hose going to the air coupler behind the MAF. The hose is the vacuum line to the Opti that helps to keep moisture out.
Drifting
Joined: Sep 2003
Posts: 1,363
Likes: 7
From: 1994 LT1 Coupe 6-speed with FX3 & 2000 LS1 Vert 6-Speed with F45 Hunterdon County, NJ
reconnect/repair it quickly
This thread in C4 General talks about a vacuum hose going to the air coupler behind the MAF. The hose is the vacuum line to the Opti that helps to keep moisture out.
And it is very important to the life and health of the OPTI, so fix quickly...
The connection behind the MAF is the in-flow of air to the OPTI so that the air is filtered -and- the MAF has measured it -- the out-flow (vacume) side of the OPTI should go to a manifold intake connector (perhaps mid-engine under cover on driver side). Both sides of the OPTI venting system must be connected to keep its internal components dry and absent of corrosive gases.
Once the connector is re-installed, you may also notice a slight improvement in the engine -- as disconnected it allowed additional un-metered air to enter the engine -- likely causing the engine to run too lean.
Drifting
Joined: May 2005
Posts: 1,336
Likes: 12
From: Chicago Executive Airport, formerly known as Palwaukee
No-IL Events Coordinator
St. Jude Donor '12-'13-'14-'15-'16-'17
Yes!
You have a good eye for detail.
As mentioned previously, this is VERY important on your engine.
Enjoy!
You have a good eye for detail.
As mentioned previously, this is VERY important on your engine.
Enjoy!
