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Old 12-05-2016, 06:37 PM   #21
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Do yourself a favor and get a flare nut wrench. It will keep you from rounding the nut when tightening it.
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Old 12-05-2016, 06:49 PM   #22
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Greetings,
Ms. D. Mr. fo makes a VERY good point. There are 2 Harbor Freights within 30 miles of Palm Coast.
Search results for: 'flare nut wrench'

IF you've got a Mercedes they might be metric. Check first.
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Old 12-05-2016, 07:30 PM   #23
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How about a proper metric wrench?
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Old 12-05-2016, 07:42 PM   #24
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Greetings,
Mr. BB. Well, one should always attempt to use a wrench that fits but for pipe and fitting work, as Mr. fo so correctly states, use of a flare nut wrench greatly minimizes the possibility of rounding over a nut. Rounded corners are not a big deal if you can simply throw on another nut but those babies are captive and require a flaring tool to replace.
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Old 12-05-2016, 07:50 PM   #25
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Greetings,
Mr. BB. Well, one should always attempt to use a wrench that fits but for pipe and fitting work, as Mr. fo so correctly states, use of a flare nut wrench greatly minimizes the possibility of rounding over a nut. Rounded corners are not a big deal if you can simply throw on another nut but those babies are captive and require a flaring tool to replace.
I was simply trying to point out that she had used a 3/4" SAE wrench to remove a Mercedes (very, very, metric spec engine) part.
I am aware that 3/4" is almost interchangeable with 19mm but...
By the way, many of the Mercedes engines I have removed injection lines on did not have the room for even a very expensive, thin wall flare wrench. Then you were forced to use a proper metric open end wrench. Thankfully, the injection lines were not typically torqued beyond the ability of a good open end wrench to remove easily...
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Old 12-05-2016, 07:53 PM   #26
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I will do all these suggestions. I did not know the washers may not reseal. I think I have a flare nut wrench. This was an estate sale and ALL TOOLS, and additional parts came with the boat. I even have additional original hardware.

Thank you all! You make my life a bit easier, even though I was hesitant to even try this job. Phew!
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Old 12-05-2016, 08:14 PM   #27
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Greetings,
Mr. BB. Oh. Gotcha. Sorry for the misunderstanding on my part. Ms. D. Take careful note of Mr. BB's comment regarding proper application of Metric and SAE tools. Does the wrench/socket REALLY fit or does it just sorta fit?
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Old 12-05-2016, 08:27 PM   #28
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If no one is going ask... I will. Why is there a line *under* the injector?
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Old 12-05-2016, 08:38 PM   #29
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If no one is going ask... I will. Why is there a line *under* the injector?
A line?
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Old 12-05-2016, 09:20 PM   #30
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(...) REALLY fit or does it just sorta fit?
Yes good question

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Old 12-06-2016, 06:48 AM   #31
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Side feed injector and the pump is much lower air would guess.
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Old 12-15-2016, 03:33 AM   #32
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If no one is going ask... I will. Why is there a line *under* the injector?
A return line? And if it is there shouldn't be to much pressure
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Old 12-20-2016, 07:52 AM   #33
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It needed a weld and yes there is a return line. I have a friend that welds and lucky for me an engine guy who was able to re-install it before the boat parade.

I was just too busy with work and the Christmas season to fix it myself. Some things I would rather just pay for. Thank goodness for friends!
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Old 12-20-2016, 10:48 AM   #34
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In general, if the copper seals they must always be replaced, or heated to a red-hot because as they get harder and tightening the connection is leaking.

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