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Potential Overheat?

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    Potential Overheat?

    Hi,

    So I recently replaced the water pump, timing belt, radiator hoses, and fan clutch. I did not replace the radiator. I have driven it without issues for about a week, but today, I noticed some off behavior.

    1. At a stop light, the fuel gauge started climbing, then went back down to proper level once I began driving. I couldn't reproduce this issue, and I've only seen it once.

    2. While driving, steady-state temperature reads about 1/2. I was on the freeway today and it slowed to stop-and-go traffic because of a car accident for a few minutes. During this time, my temperature gauge was erratically jumping all over the place, even into the red region. Once I passed the accident and was able to get back up to speed, the needle dropped slowly down to 1/2. As I neared home, at a stop light, the needle started jumping around again and went up to maybe 2/3. I resumed driving and the needle returned to normal. After getting home, I set the car on the driveway and idled for a couple minutes to see what the temp gauge would do, but it stayed at 1/2 and didn't climb.

    From searching, it seems that first, I may have a problem with the connection behind my cluster for both the fuel and temperature gauges. It also looks like I may have symptoms of a broken fan clutch? I installed a brand new Sachs fan clutch; is it likely I have a defect? Or is the temp gauge just sending false readings? Any suggestions on what I can do from here; I have a long-ish drive ahead of me, ~200 miles, and this is all I got for this. I really hope I didn't overheat it and face an issue with it overheating again...

    #2
    That definitely sounds electrical. Start with the ground nuts behind the gauges, like you mentioned.
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      #3
      I just checked my fan clutch by trying to give it a whirl with the car cooled off; it stops pretty quickly, so the clutch seems fine.

      I don't think it's a coolant issue because I'm not losing any coolant. After flushing coolant, I drove it fine so I don't think there is any air trapped in the system either. I'll have to check out the ground nut when I get a chance tomorrow.

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