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| Fan switch sensor removal??? (Page 1/3) |
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branger
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SEP 19, 01:35 PM
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Ok, determined that rad over heating is because  of fan switch not working. Guy on YouTube shows how to remove it, however he doesn’t show how to remove 90 degree metal vacuum hose that is right above it and in the way. I pulled off the rubber part of the vacuum hose, but the metal elbow that runs right under the plenum is right above it! Help! How do I remove metal hose? Do I have to remove whole plenum? Hope not…[This message has been edited by branger (edited 09-19-2021).]
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fierofool
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SEP 19, 02:04 PM
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I'm able to move my tube around a little, but you might try a wobble head extension to get to your socket.
Ground your harness plug to the engine with ignition on to see if the fan comes on. It may also be the fan relay up front.[This message has been edited by fierofool (edited 09-19-2021).]
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fierofool
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SEP 19, 02:10 PM
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You can also test your fan by turning on the AC, whether the AC is charged, or not. You can use that function to force cool the engine any time you might get into a situation that could cause overheating.
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cvxjet
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SEP 19, 02:34 PM
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That is the vacuum line to your brake boost......Mine is just lose so if you undo both ends you can shift it out of the way. The pipe comes out on the front side of the engine thru the gap in the manifold.
 [This message has been edited by cvxjet (edited 09-19-2021).]
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branger
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SEP 19, 04:24 PM
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I did ground it, and the fan runs, so I think it’s the sensor switch. Thanks, for the pic! And explanation… do I have to take the plenum off as is the case in the pic you sent or can I simply push it forward? [This message has been edited by branger (edited 09-19-2021).]
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Patrick
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SEP 19, 04:35 PM
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| quote | Originally posted by branger:
...do I have to take the plenum off as is the case in the pic you sent or can I simply push it forward?
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Only if you're bored silly and you're looking for work. 
Why are you removing the fan switch? Do you have a replacement? The one you should order is the 210° on / 200° off switch from Rodney.
By the way, please don't start new threads on basically the same topic. IMO, you should've continued this conversation in your original thread... Overheating. Multiple threads on the same topic clutters up the forum and results in the same info being repeated. In other words, it's a waste of time and space.[This message has been edited by Patrick (edited 09-19-2021).]
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branger
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SEP 19, 05:45 PM
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Hey Patrick, from what I understand, it’s the switch sensor, as I grounded it with ignition on and fan kicked in right away. Cancelled the stock one I ordered from Fiero store, and got the 210/200 one from Rodney’s. Thanks for the tip. [This message has been edited by branger (edited 09-19-2021).]
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Patrick
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SEP 19, 06:10 PM
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| quote | Originally posted by branger:
Cancelled the stock one I ordered from Fiero store, and got the 210/200 one from Rodney’s. Thanks for the tip.
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Good move. It works well.
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skywurz
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SEP 19, 06:41 PM
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That vac tube is suppose to be held in with a 8mm (i think) bolt into the plenum... from the under side... its not suppose to be loose.
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branger
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SEP 19, 07:55 PM
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Love this forum, great feedback! Thanks everyone.
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