Question about Chevrolet Venture

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I need a diagram for a 2000 Chevy Venture, the Air Conditioning system under the hood, so I can identify key components. Thank you.

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  • ronnsuz Sep 07, 2010

    I thought this would help. I had to replace my thermostat. There was a device (like a rail tube), that went down the side of the valve cover curved (right angle) and was bolted in one spot to the (whatever it is now, if it was an old car it would be the carburetor) and had two hoses (one had water in it) coming off of it. I HAD to remove it to get to the thermostat. Afterwards we had no air conditioning and the temp would go up to almost the red then it fluctuated between 3/4 and 1/2 of the temp guage. Today, the next day, it went up to just at the minimal red and stayed there. On this rail there was at the beginning a 4-5 inch vertical tube with rubber grommet that was bolted into the block at the top there was a small brass fitting. I took it off. When I put it back on the top had a large six sided head and a smaller one above it, of course, the smaller one when I put it back on twisted off. I believe there was a small air hole. so it was leaking water a little bit, (I did not see it, I am just suppositioning. WHat the heck does this tube have to do and WHY was it not in my Haynes manual, Please give me some insight. Thank you.

  • ronnsuz Sep 07, 2010

    I was wrong. That tube bolted into the top of the water pump. I changed the brass fitting and it seems after refilling the radiator I have no problems with water temp and, lo and behold, we have air conditioning. Please explain. I don't understand what the lack of A/C had to do with this. Thank you.

  • ronnsuz Sep 08, 2010

    Thanks a lot I think its probably what I need to do. Thank you.

  • ronnsuz Sep 08, 2010

    Thanks a lot I think its probably what I need to do. Thank you.

  • ronnsuz Sep 08, 2010

    Thanks a lot I think its probably what I need to do. Thank you.



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The service ports for Hi and Low pressure sides are different so if you are going to recharge R134a Refrigerant, the charging hose that cames with the kit will only fit the Low pressure side service port also called the Succion Side service. port.

Good Luck!! Don't forget to rate this post!!!

I need a diagram for - 3695dec.jpg

Posted on Sep 07, 2010

  • Rene J Solis Sep 07, 2010

    Ok buddy, check this page, it has the instruccons to replace the thermostat, if you don't find the problem here, browse the site. If you still need more assistence, just post a comment. Good Luck!!

  • Rene J Solis Sep 07, 2010

    There is no relation between the Cooling System and the Heating and A/C System. I mean that you did not mess anything up on the A/C side while replacing the thermostat.

    The PCM cuts the power to the compressor clutch when the engine temp. rises above normal to prevent damage to the engine, try your A/C now that the engine is not overheating to see what happens. If still do not work, check fuses and relays.



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