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Cobra R's
Cobra R #181 information and questions
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<blockquote data-quote="JoeAsheville" data-source="post: 15282615" data-attributes="member: 4116"><p>Bill, you were right. In the course of inspection, I discovered a completely rotten vacuum line that pulls from under the upper intake. It's essentially open to atmosphere. It leads to what appears to be an electrically actuated vacuum solenoid, which then leads to another vacuum line that disappears into the unit body behind the passenger side fender. It's amazing to me that I haven't noticed the normal symptoms of a gross vacuum leak other than the noise between shifts. It will be interesting to see how differently the car runs once I can find time to completely replace it...I have to trace the line that seems to go through the firewall and into the area behind the glove box. There's not a lot of room to work in this area.</p><p></p><p>The blend doors in the HVAC that are operated by engine vacuum are currently non-op, this may be one of the culprits.</p><p></p><p><img src="http://uploads.tapatalk-cdn.com/20160422/6b955e05ff86ebae67958a6bbf2abb8b.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://uploads.tapatalk-cdn.com/20160422/869c94343bd1f898a68e38d245e50c12.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="JoeAsheville, post: 15282615, member: 4116"] Bill, you were right. In the course of inspection, I discovered a completely rotten vacuum line that pulls from under the upper intake. It's essentially open to atmosphere. It leads to what appears to be an electrically actuated vacuum solenoid, which then leads to another vacuum line that disappears into the unit body behind the passenger side fender. It's amazing to me that I haven't noticed the normal symptoms of a gross vacuum leak other than the noise between shifts. It will be interesting to see how differently the car runs once I can find time to completely replace it...I have to trace the line that seems to go through the firewall and into the area behind the glove box. There's not a lot of room to work in this area. The blend doors in the HVAC that are operated by engine vacuum are currently non-op, this may be one of the culprits. [IMG]http://uploads.tapatalk-cdn.com/20160422/6b955e05ff86ebae67958a6bbf2abb8b.jpg[/IMG] [IMG]http://uploads.tapatalk-cdn.com/20160422/869c94343bd1f898a68e38d245e50c12.jpg[/IMG] [/QUOTE]
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