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Old 03-11-2021, 07:05 PM   #1
Junior Member
Monaco Owners Club
Join Date: Mar 2021
Posts: 8
1996 Dynasty - Hole in dipstick tube?

Should I have a hole in my dipstick tube?

On the latest road trip, minimal oil loss out the dipstick tube for at least 3,000 miles, seemed like a couple drops a day. Then a couple quarts came out over a few hundred miles, enough to finally register on the dipstick and the toad. I thought it was the plug so I replaced it with a new identical one, transferred the dipstick no problem. Big thank you to a patient employee at NAPA that found it in his catalogues.

While cleaning up the oil, I spotted the hole. The plug doesn't go in far enough to cover it.

The oil loss is back to minimal over the last 500+ miles. I haven't added any since an oil change BEFORE the 3,000 miles with no issues.

Is it a vent? I checked the tube off the top of the crankcase and it seemed fine and operational. I can plug it but I don't want to mask a problem if I have one.
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Old 03-12-2021, 01:57 PM   #2
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Monaco Owners Club
Join Date: Aug 2017
Location: On the road
Posts: 1,890
I have no idea why they put the hole in it. I replaced my plug also then cleaned the outside of the tube well and put metal tape on it to plug it. Has been good for over 2000 miles.

Full Time 2000 Dynasty Regent FD, 8.3, Banks Turbo, 5" Diameter Exhaust, 475 HP 1425 Torque, FASS system, towing 05 Pilot 1500 Watts solar 800ah lithium & E-Bike
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