02-17-2019, 04:45 PM | #23 |
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02-17-2019, 07:52 PM | #24 |
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If you do the voltmeter test, it’s .4 volts or lower, not .04; put my decimal in the wrong place lol. Some people say .3v, some say .5v, so you may want to go with the lower number if you want to play it extra cautious.
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02-18-2019, 07:02 PM | #26 |
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Drives: F30
Join Date: Oct 2017
Location: Stevenson, WA
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02-19-2019, 05:28 PM | #29 |
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Pictures from the shop.
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02-19-2019, 08:21 PM | #32 |
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02-19-2019, 08:27 PM | #33 |
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02-19-2019, 11:00 PM | #34 |
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Were the photos taken with the intake manifold removed, or the mechanic was able to snake in borescope with a few simple steps?
Honestly@73k miles and 6 years, your intake valves look relatively clean. Did the mechanic say u need walnut blasting due to rough idle or something? |
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02-20-2019, 07:22 AM | #35 |
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I agree... valves look fine at 75k miles.
Ever ran a catch can? I thought the N55 was more prone to carbon buildup due to DI. Wonder what an N20 with this mileage looks like. |
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02-20-2019, 10:53 AM | #36 | |
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Quote:
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02-20-2019, 12:19 PM | #37 |
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02-20-2019, 12:21 PM | #38 | |
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Quote:
That's assuming the intake manifold is already removed(which probably is the case). |
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02-20-2019, 04:02 PM | #39 | |
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Quote:
Mechanic ran diagnostics and everything checked out except one time fault on cylinder 2. Mechanic wanted to verify it wasn't due to carbon build up on the valves. Still having him walnut blast it as a maintenance item; only would've saved .8 hours of labor if he didn't clean them. Never ran a catch can. |
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