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Vans & Minivans GMC Safari & Chevy Astro GMC Safari/Chevy Astro Heating / Cooling
237 messages, Last post on Nov 19, 2009 at 8:56 PM
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Replying to: bdar (Aug 27, 2009 4:23 pm)
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Replying to: duecekd (Aug 28, 2009 8:29 am) Thanks for re-directing me to your previous posts. I read them and they did help me to find the vacuum ball when I was under the car. What I found is that there are 3 tubes going out from the Firewall. The first tube is the degraded rubber tube that is going into the t connector that I had mentioned. The second tube is a hard plastic thin tube that goes into a round device right under the accumulator, and the third tube is also a hard plastic tube that runs all the way down to where the vacuum ball is and it connects on an adapter port to the top left of the vacuum ball. That third tube doesn't actually connect right into the vacuum ball. I felt the vacuum ball with my hands and I found another thin adapter port, but nothing is connected there. There is no tube or even a vacuum head from where a tube may have been there. I am thinking that maybe when i took it into the shop that the dealer may have unplugged the cable from the vacuum ball to the t-adapter and never put it back in the car. It wouldn't be difficult at all to run another tube from the ball up to the t-connecter, but is that what I am supposed to do? Once I get that sorted out, I will look into replacing the rubber tube that is going into to firewall to the green cable. Thanks, bdar. |
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Replying to: duecekd (Aug 28, 2009 8:29 am) Thanks for re-directing me to your previous posts. I read them and they did help me to find the vacuum ball when I was under the car. What I found is that there are 3 tubes going out from the Firewall. The first tube is the degraded rubber tube that is going into the t connector that I had mentioned. The second tube is a hard plastic thin tube that goes into a round device right under the accumulator, and the third tube is also a hard plastic tube that runs all the way down to where the vacuum ball is and it connects on an adapter port to the top left of the vacuum ball. That third tube doesn't actually connect right into the vacuum ball. I felt the vacuum ball with my hands and I found another thin adapter port, but nothing is connected there. There is no tube or even a vacuum head from where a tube may have been there. I am thinking that maybe when i took it into the shop that the dealer may have unplugged the cable from the vacuum ball to the t-adapter and never put it back in the car. It wouldn't be difficult at all to run another tube from the ball up to the t-connecter, but is that what I am supposed to do? Once I get that sorted out, I will look into replacing the rubber tube that is going into to firewall to the green cable. Thanks, bdar. |
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Hi everyone. The vacuum line seems to be an issue all of us are dealing with. I was wondering if maybe there is someone out there that can make a drawing that all of us and future generations can download and use. I know the manuals don't cover it. While on the subject, anyone has an idea where I can find a vacuum ball. Mine broke. 
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Replying to: bdar (Aug 27, 2009 4:23 pm) 
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Replying to: sdrori (Aug 31, 2009 4:01 am) I wanted to apologize sdrori because I had seen you post earlier but I just now noticed that it was directed to me. First of all, in regards to the parts, this is what I did. Napa Auto Parts is the best place to get the vacuum tubing from. They have the hard and soft vacuum tubing (all different sizes) and it is about 0.49 cents per foot of tubing. If you need vacuum heads, connectors, and elbows, auto zone sells those for like $3 or $4 a pack and they come in a variety of assortments. As far as the vacuum ball, I haven't been able to find anyone who sells it except the Chevy Dealships. Some people have it on Ebay and what not, but it is not readily avaliable. My vacuum ball also broke and I bought one from the Chevy dealer for $35. You just go into the parts department and ask for the part for your model and year car. I assume since your car is a Safari, you would have to go to a GM dealership, but I am not sure about it. However, I also have a special treat for everyone!!! I know lots and lots of people asked for a vacuum diagram and I was finally able to get my hands on one (don't ask me what I had to do, LOL) But I have it ready to post, but how do I post images or files on the forum? Thanks!! |
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Replying to: bdar (Sep 08, 2009 4:05 pm)  netvision.net.il
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Replying to: sdrori (Sep 08, 2009 11:27 pm) |
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Replying to: iambyteme (Aug 07, 2009 5:57 pm) Any info on the lines inside the engine compartment?? Thanks BC |
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Replying to: aquarian1000 (Sep 21, 2009 3:52 pm) You may have known all this before, but if not, that is my interpretation of the diagram, and I hope it helps. Keep in mind that any small break in the lines, especially from the manifold to the ball, and then from the ball to the selector switch, and nothing will work right. If you have to replace the main feed from the manifold, just make sure you get enough line to route it up higher in the engine compartment to keep it from getting hot again. Don't take the same route as they did in the factory or it's just going to burn up again eventually! Good Luck, and hurry, old man winter is just around the corner!! |
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