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The Terminator
Terminator Talk
Heat Exchanger pump issues!
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<blockquote data-quote="ninety5fiveoh" data-source="post: 15321454" data-attributes="member: 37012"><p>Yesterday when filling my freshly assembled heat exchanger setup, I tried the jumper trick to burp the system. The pump turns on for a second, then off for a few seconds, then on for a second, then off for a few seconds. It repeatedly does this cycle as long as the jumper wire is installed, and obviously doesn't move any fluid. I tried squeezing the hoses as well as blowing into the hose. I got a few bubbles out, and saw the fluid level go down slightly in the reservoir, but the pump still doesn't completely turn on. I took the pump out today and realized 2 things.</p><p></p><p>1 - My tube coming off the pump going to the heat exchanger was going to the lower bung on the heat exchanger and it was supposed to be on the lower bung. So I switched the hoses to be correct.</p><p></p><p>2 - I took the pump apart and it looks like it was not the original because it was very clean inside, spun freely, and the orings looked perfect.</p><p></p><p>I then reinstalled the pump and tried the jumper again...still no dice, just the intermittent pulse.</p><p></p><p>Then I unplugged the the pigtail from the harness going to the intercooler pump and hooked 2 wires to the battery and to the prongs on the pump and it turned on and worked perfectly. I then checked the fuse and it was fine.</p><p></p><p>Can anyone explain this? I've done a lot of research on this issue and haven't seen anyone that had the same problem.</p></blockquote><p></p>
[QUOTE="ninety5fiveoh, post: 15321454, member: 37012"] Yesterday when filling my freshly assembled heat exchanger setup, I tried the jumper trick to burp the system. The pump turns on for a second, then off for a few seconds, then on for a second, then off for a few seconds. It repeatedly does this cycle as long as the jumper wire is installed, and obviously doesn't move any fluid. I tried squeezing the hoses as well as blowing into the hose. I got a few bubbles out, and saw the fluid level go down slightly in the reservoir, but the pump still doesn't completely turn on. I took the pump out today and realized 2 things. 1 - My tube coming off the pump going to the heat exchanger was going to the lower bung on the heat exchanger and it was supposed to be on the lower bung. So I switched the hoses to be correct. 2 - I took the pump apart and it looks like it was not the original because it was very clean inside, spun freely, and the orings looked perfect. I then reinstalled the pump and tried the jumper again...still no dice, just the intermittent pulse. Then I unplugged the the pigtail from the harness going to the intercooler pump and hooked 2 wires to the battery and to the prongs on the pump and it turned on and worked perfectly. I then checked the fuse and it was fine. Can anyone explain this? I've done a lot of research on this issue and haven't seen anyone that had the same problem. [/QUOTE]
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Heat Exchanger pump issues!
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