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02-25-2024, 01:04 PM | #1 |
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Tick on engine shut off after rod bearings
I just did the rod bearings on my 09 115k mile m3.
I removed both engine belts with anticipation of replacing them, but could not find belts locally so i threw on original pulleys and belt. The car runs great but on engine shut off, 5-8 seconds later very consistently there is a singular clink noise. I also have the code: P1748 Here is a link to the audio file: https://file.io/uuTwBxIgINY4 Any thoughts what this could be? |
02-26-2024, 07:51 PM | #2 |
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Seems pretty unrelated to bearings, have driven the car 50 miles so far and it sounds great overall.
I noticed going into accessory mode will create pretty much the same clink. Cleared the code and p1748 never came back. Pretty unbothered overall, but I wish i knew what it was. |
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02-27-2024, 04:25 PM | #3 |
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I did a oilfilter housing gasket repair, and fired up the car with the plenium on, wide open itb's. After I shut off the car, the actuators do this twitch motion, a very loud "tick". Maybe this is your issue.
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03-01-2024, 09:26 AM | #4 |
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I'm not sure im following. You think shutting off the car and the clink is just the actuators doing their final close?
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03-01-2024, 02:55 PM | #5 |
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03-05-2024, 08:16 PM | #7 |
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In my mind it's completely related to the rod bearing job I just did. New noise pops up after half the car is disassembled and reassembled, why would I not mention I did all that lol.
However I've just started ownership of this car so it could have always been there. |
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03-05-2024, 08:17 PM | #8 |
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