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#1
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HHEELLPPPP Vacuum lines?? leaks?? 98 C280
HHHEEELLLPPP.......Someone near and dear to my heart disassembled part of the car and now we have,,,,yet another puzzle. 98 C280 has a vacuum line coming straight out of the intake manifold right on the back corner drivers side. I can't see where it's supposed to go and with the vacuum leak from under the intake manifold passenger side being so loud I can't hear any other leaks.By the way what is under the manifold passenger side that could leak that loudly. I also cant seem to see anything of where that leak might be. Part 2. The switchover valve on the face of the engine just drivers side of center has two vacuum lines...one forward and one pointed straight at the passenger fender. That line was dropped from where ever it was mounted and the rubber disfigured terribly. I have no Idea where it goes. My friend at the local mb dealership sent me their shop diagrams but they don't show the rear one at all and is unclear about the front one. Last but not least there is a vacuum line at the back of the engine passenger side of center that is attached to a piece of plastic about the size of a nickle in diameter but and small holes in the center of that face. This line also is not attached to anything......I have read over 200 posts here and my alldata resource is very unclear. If there is anyone who has imput I might put one of your kids through a year of college.
p.s. I'm guessing you've already guessed the car wont idle worth a darn Thanks as always. Brian Last edited by Bzoo; 06-28-2010 at 02:50 PM. |
#2
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I just took a look under the hood of my 98 C230. Different engine but there might be similarities. There is a diagram under the hood (on the hood pad) that shows some of the lines that relate to emissions, including the ones to the switching valve. On the intake manifold back corner driver side I have a gray tube that goes across and over the rear of the engine, then to a right angle connector and down and presumably through the firewall, likely for the climate control system. Hope any of that might help.
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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine) 1988 F150 144,000 miles (leaks all the colors of the rainbow) Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra |
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Thank you for the start. I will look when I get home. Take care
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Hi. Unfortunately the decal with the diagram is not there. The car was in a front end collision and Im presuming it was not replaced at that time. I did look for a connector and although I did not see one it may be there some where. I will look again when I get home while there is still light.
Thanks again. Brian |
#5
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Usually the vacuum diagram is posted on the module box near the firewall.
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2002 E320 T-sedan (210.282) 219K 1994 E320 (124.032) 252K (dearly departed in hit & run) 1988 260E (124.026) 301K (sold) |
#6
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thanks
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