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Old 06-02-2018, 08:17 PM   #1
Junior Member
Brand: Thor Motor Coach
State: Louisiana
Posts: 14
THOR #3518
Generator oil plug

Onan RV QD 6000 oil drain plug will not budge. Have tried penetrating oil, tapping nut, tapping nut while trying to unscrew, etc. This is the first time i have tried to change myself, previous two times were at shop. I have tried to siphon the oil thinking that could solve the immediate issue of changing the oil but that doesnt work like i thought and cannot seem to get oil out. Anyone ever had this problem? Leaving next week and would like to change oil before heading out. Thanks in advance.

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Old 06-02-2018, 09:33 PM   #2
Senior Member
Brand: Thor Motor Coach
Model: Newmar Bay Star Sport 300
State: Alabama
Posts: 2,025
THOR #6826
Itís either just too tight (pull harder on the wrench) or itís cross threaded. Itís not likely to have rusted given itís lot in life. If it was mine and I was unwilling to wrench any harder Iíd take it to the same shop that did it last time and tell them that since they got it stuck itís on them to get it unstuck! If there isnít time to do that before your trip Iíd just run with the old oil and worry about it when you get back. If the threads are buggered youíre going to have an issue of some substance on your hands. It can be fixed but not entirely easily. Good luck and enjoy your trip.

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Old 06-03-2018, 01:29 AM   #3
Brand: Thor Motor Coach
Model: Ace
State: Florida
Posts: 35
THOR #11068
I had a boat they sell a siphon to suck oil out it ball shaped u pump it up and long tube goes into dipstick open valve and it sucks all oil out worked perfect on boat engine Iíve heard of other people use it on there gen I would still take back to to shop who worked on it last good luck safe trip
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Old 06-05-2018, 04:24 AM   #4
Senior Member
Brand: Thor Motor Coach
Model: ACE 27.1
State: Virginia
Posts: 315
THOR #7607
Righty tighty....Lefty Lucy....just Checking! Laying on the ground looking up you may be disoriented.
ComputerChips is offline   Reply With Quote

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