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Just did my 500 mile oil change, found a couple issues

6

69redmach!

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Nov 27, 2016
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57
Location
Loudon
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Snowmobile
2017 Sidewinder LTX SE
I went through the sled while changing the oil. I noticed some oil in the belly pan below the chaincase, the lock nut for the chain tensioner was loose so oil was seeping there. I also noticed one of the two bolts that hold the flange for the oil feed line on the bottom of the oil resevoir was backed out 1 turn. A couple of the exhaust bolts came out really hard, galled the threads and ruined the bolts. I had to run a thread tap down the holes to clean them up. My 3 turbo bolts were tight, though. I also have finally developed flat spots on my rollers so I'll be ordering the Cat ones tomorrow. My air filter was over-oiled, puddle in the airbox and in the intake tube.
 

Attached is a close up of the turbo impeller while I had the exhaust off.
 

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Alright, I'll call it......not very precision looking.
 
I removed my oil drain plug on the tank with my fingers.
 
Looks like an investment cast piece, which is how gas turbine blades are made....that would also include jet engine blades. They can be held to very close tolerances without machining. And anything you can melt and pour into the mold can be used, letting gas turbine blades withstand temps over 2000 degrees. As long as it keeps spinning! lol
 
SumpBuster said:
Looks like an investment cast piece, which is how gas turbine blades are made....that would also include jet engine blades. They can be held to very close tolerances without machining. And anything you can melt and pour into the mold can be used, letting gas turbine blades withstand temps over 2000 degrees. As long as it keeps spinning! lol
Click to expand...
Hey bro,sounds like you work were I do lol Pratt And Whitney Aircraft,ya we make lots of blades and vanes,and complete engine parts here in No. Berwick maine.
 
69redmach! said:
I went through the sled while changing the oil. I noticed some oil in the belly pan below the chaincase, the lock nut for the chain tensioner was loose so oil was seeping there. I also noticed one of the two bolts that hold the flange for the oil feed line on the bottom of the oil resevoir was backed out 1 turn. A couple of the exhaust bolts came out really hard, galled the threads and ruined the bolts. I had to run a thread tap down the holes to clean them up. My 3 turbo bolts were tight, though. I also have finally developed flat spots on my rollers so I'll be ordering the Cat ones tomorrow. My air filter was over-oiled, puddle in the airbox and in the intake tube.
Click to expand...
How hard is it to change the oil? Process you took?
 
snowbeast said:
Hey bro,sounds like you work were I do lol Pratt And Whitney Aircraft,ya we make lots of blades and vanes,and complete engine parts here in No. Berwick maine.
Click to expand...
Hey, sno....you feeling better?
Well....I was all set to join the air force when, ahem, your competitor hired me on the apprentice program...18 yrs. old! General Electric. Became a tool maker in gas turbine before they moved to Greenville, worked at the R and D center, got laid off and worked as a mold maker /designer for investment casting (the owner was an engineer at Howmet turbine), went back to GE as methods for large steam turbine blade manufacturing, then they moved all that to Monterrey, Mexico, Bangor Maine, and Japan. I did not go to Mexico to train them as my father had cancer so inherited the toolroom, cutter grind, machine repair and other stuff...lol, and with the nonsense reinventing the wheel with people hired who have no business in manufacturing, retired 2 years ago april, after turning 60....40 years was enough!! My son is there now as a ( used to be six sigma) lean manufacturing black belt, so I get to hear all the nonsense still! Not much common sense and they do not learn from history and repeat mistakes made years ago that we solved....I got stories!! Sounds like you are in the jet engine business! Gas turbine was a great place to work, but large steam turbine generator was impressive...huge nuclear rotors and blades....and 500 ton cranes to lift the pieces!!
This was in Schenectady, NY. Main reason I went early is they keep taking stuff away, benefits, health, etc. but if you retire, you got grandfathered in. All those years I watch the 'oldtimers' and learned!
My engineering friend just lost his 6 weeks vacation and all the personal time, as they went to 'permissive' time, not earned!! So if you leave you don't get your earned vacation not used....stuff like that!
Sorry for the ramble...couldn't sleep! Might text my 3rd shift GE buddies now...LOL
 
Last edited:
69redmach! said:
I went through the sled while changing the oil. I noticed some oil in the belly pan below the chaincase, the lock nut for the chain tensioner was loose so oil was seeping there. I also noticed one of the two bolts that hold the flange for the oil feed line on the bottom of the oil resevoir was backed out 1 turn. A couple of the exhaust bolts came out really hard, galled the threads and ruined the bolts. I had to run a thread tap down the holes to clean them up. My 3 turbo bolts were tight, though. I also have finally developed flat spots on my rollers so I'll be ordering the Cat ones tomorrow. My air filter was over-oiled, puddle in the airbox and in the intake tube.
Click to expand...
I changed my oil last night, only 382 miles, but close enough since my next ride will hopefully be a big one. I went with Mobil 1 0-30, I believe a lot in full synthetic.

It was a pretty easy job right up until I tried to pull the tank drain plug, what a PITA. I got it out with a swivel head on a ratchet, but next time I'll take the exhaust out and come from that side, lots more room. Were you able to get a funnel under the tank drain? I couldn't and the oil just ended up dumping in the belly pan and making a mess as it drained out. Hopefully this part will go smoother next time by taking the exhaust out.
 
Beerman said:
I changed my oil last night, only 382 miles, but close enough since my next ride will hopefully be a big one. I went with Mobil 1 0-30, I believe a lot in full synthetic.

It was a pretty easy job right up until I tried to pull the tank drain plug, what a PITA. I got it out with a swivel head on a ratchet, but next time I'll take the exhaust out and come from that side, lots more room. Were you able to get a funnel under the tank drain? I couldn't and the oil just ended up dumping in the belly pan and making a mess as it drained out. Hopefully this part will go smoother next time by taking the exhaust out.
Click to expand...
How did u end up filling it ?
 
I just herd you had to split the crank case and all this crazy stuff
 
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