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Post by jacoblong09 on Apr 25, 2020 19:18:39 GMT -5
I've spent the day replacing leaking gaskets with rtv. There are no leaks. I've got it running great now. No more pinging, but while i was using brake cleaner to remove all the oil from the engine, I noticed the crankshaft seal was leaking pretty bad into the area behind the cvt cover. I'll be ordering a new seal for around the shaft, but I removed the belt to more easily access the hard to clean areas, and while it was off, the variator face sprung forward, completely against the outer drive face, and it will not move at all now. The belt is back on and now when the engine is on, the front pulleys are closed, and the belt is just running on the rear shaft. So when I hit the rear brake, the engine slows to 500rpm and the belt just slips around the rear shaft. Let go of the brake, and the wheel moves all the time, even just when the starter is spinning the engine, without it even running. I have no idea how to begin fixing this, please if anyone knows what causing this, please help. I have no way of removing the variator I lost my tool and need to find a new one eventually. Will it fix itself after I ride it a few times? I was scared to ride it because I didnt want to rip up my only belt.
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Post by aeroxbud on Apr 25, 2020 20:12:11 GMT -5
To me it sounds like one of the rollers has moved out of its slot. You really need to take the variator off to see what's going on.
It a roller is jammed, i would doubt it will fix its self.
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Post by jacoblong09 on Apr 25, 2020 20:21:55 GMT -5
To me it sounds like one of the rollers has moved out of its slot. You really need to take the variator off to see what's going on. It a roller is jammed, i would doubt it will fix its self. I was afraid that would be it. The variator doesnt have the 2 holes for a locking tool to remove it, it has the large gear for the starter and the kickstart gear around the nut... what tool would I need? It's a 139qmb |
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Post by aeroxbud on Apr 26, 2020 16:35:06 GMT -5
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Post by aeroxbud on Apr 26, 2020 16:41:03 GMT -5
If you're really desperate to get it off, you could try this. I take no responsibility for damages! 🙈
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Post by GrumpyUnk on Apr 28, 2020 11:21:51 GMT -5
Two methods come to mind: use an impact wrench and a gloved hand or a rag to cushion from the starter gear teeth holding the variator steady, or remove the spark plug, rotate the crankshaft to make the piston withdraw down the bore, and push in some rope. Leave a bit out to hold onto, and rotate the crankshaft CCW viewed from the variator end. The piston should jam up against the rope and be prevented from completing a rotation by the rope compressing against the inside of the cylinder head. Remove the rope when done.
There is no spring in the variator to keep it 'compressed' or narrowed. If it will not move away from the starter gear end, and allow the belt to sink into the vee, something is out of place or effectively jamming the variator. You likely will have to take it apart for inspection. When you go to re-assemble the variator onto the crankshaft, insure that the variator weights are near the center of the variator, install the outer half, and hold it tightly together while you slide it onto the crankshaft. It should stay 'collapsed' with all the weights in place if you hold it gently. When the belt and outer half of the vee are installed, that will keep the variator collapsed.(in conjunction with the clutch/torque spring pushing to keep the belt tight.
tom
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