vacuum

I replaced the fuel pressure regulator in my 2004 Grand Am 3.4L and noticed the old one had a bit of tube on top. The tube had broken off at some point, and now I'm confused about where to connect it. I got some tubes for it, and I found a diagram for the right engine (below) showing how the...

Nevermind....

Hi Guys, We recently build a '69 GTO 400. It came with RA headers and with a '71 RA Quadrajet. It runs perfectly but has a terrible noise under the hood. We found out that it's caused by the vacuum port you can see on the attached photo (circled in red). If we plug it, engine stalls and doesn't...

I recently purchased a 2004 pontiac Grand am. I love the car It has the 3.4 V6 in it, and i replaced the water pump due to it was leaking everywhere. Well I have a loud squealing coming from the passenger side of the engine. So I sprayed WD40 on the belt to see if it went away and it did not. So...