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Old 01-22-2021, 01:06 PM   #29
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jacwjames's Avatar
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Probably wouldn't hurt to clean and reseal. This may be the last time you have it out.

Is the plug magnetic? Did you see and evidence of metal shavings?? When I changed mine I used a white 5 gallon bucket to catch the oil and then when I transferred it to smaller jugs looked for any metal. I think I did my change at ~80K miles.

I've only heard of one Monaco with a ring and pinion failure, it isn't common but does happen, and is expensive when it does.
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2002 Monaco Windsor 38 PKD Cummins ISC 350 8.3L
2005 Jeep Grand Cherokee w/5.7 Hemi
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Old 01-22-2021, 02:59 PM   #30
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Yes there was a little metal on the drain plug. I don’t think enough to be worried about though.
I’m not sure when the diff oil was changed last, but I don’t think it’s original by how loose the plug was.

I’m letting it drain out overnight and I’ll refill it in the morning
2000 Monaco Diplomat 38A
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Old 01-23-2021, 10:00 AM   #31
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Originally Posted by JerryLook View Post
What type of sealer do they use on the diff drain plug? Itís almost like a red RTV. Iíve seen it on plugs before, but I donít know what it actually is. Iím thinking I should clean my plug and reseal it.
I'm guessing that's CRC Red silicone sealer. Since it leaked, I'd use Permatex Ultra Grey or Permatex PTFE (Teflon) sealer.
97 Monaco Windsor- Sold
07 Monaco Executive McKinley- Sold
04 Monaco Signature Chateau IV
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dash, gauges, pump

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