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By camojay
When we first heard the noise, we immediately stopped driving it...at first we thought it might be a linkage issue, but after further inspection looks like the sound/jolting is coming from the rear diff. Took a video below...
Anyone know what is creating the diff to skip/jump like this? We drained the diff oil and didn't look terrible, no metal.
Other info that may be useful:
1400 miles on it
Recently tightened the E brake
P.s. never posted on this forum before, let me know if the video does not work
20240817_133539_1.mp4
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By Homeowner A
Have a Coleman UTV 400 that cranks, runs, drives well until it gets warm and is put under load. Light throttle or full throttle it doesn't bog, but it will cut out mid throttle if you move the pedal quicker than it seems to like for example when you're getting ready to go up a hill, but if you immediately floor it, it will do just fine and not cut out. It's random if and when it's going to do it, but is consistent in that it happens only when hot/full operating temperature. I've replaced the injector twice, same with the spark plug and tried different heat ranges (NGK 7,8 and 8 iridium), replaced the fuel pump, adjusted the valves, checked air filter which is like new, changed the oil, replaced the fuel filter. No check engine light. I don't have a code reader for this. Initially I thought it might have a head or head gasket issue as when I got it, the oil was over full, very runny like water milky and it was smoking. I've changed the oil since then twice to clear and clean everything out, and it seems to be good. Coolant stays the same level and so does oil with no changes in consistency or need for adding more. Had I think 7-9 miles when I got it and now has about 77. What should I try or consider next?
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By Rick A
I charged the battery reconnected everything but utv will not start and nothing comes on when key is turned. such as headlights, dash lights nothing.
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By CRV
Howdy new member here . My hobby's Rabbit dogs , gamefowl . I'm retired from my real job but I stay busy with the hounds and gamefowl . So to help around the farm I ran across an old 2007 CC Big Country 4x2 to haul feed , water , sprayer and my sorry a$$ .It is in pretty good shape , 781 hrs. good plastic , tires, ect. . But as anything outside and 18 years old it needs seats ! The thing I have found wrong mechically the Diff. Lock Acturtor is broken where it mounts to the bracket ( partly why Im here ) . Hoping someone here can help ! Just my wish list but Id like to find a roll cage and a composit/plastic top for it Im thinking I'll need a donor to salvage these things from ( again partly why Im here ) .Is there another brand that uses this same actuator? If anyone reads this and has or knows of any of threse parts PLEASE HOLLER !!
Again Howdy brothers & sisters
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By SayHiToRambo
08 trooper 1100
Bit of background. First the machine would take for ever to start. So I adjusted the valve shims into spec and made sure the timing is correct. Starts perfectly now.
now it fluctuates on idle. Bogs down, Revs up, repeat. I noticed the fuel pressure drops from 60psi to 20psi while that happens. It also bogs down at the lower end of each gear, higher rpm seems to be fine. Seems to struggle under load. In neutral it revs up perfectly.
brand new fuel pump, fuel filter, gas. I noticed on the fuel pressure regulator there’s that vacuum nipple, it’s not attached to anything and I’m not sure where it would go. Possibly the problem?
Another issue is the tip off the end of the exhaust is broken off, sensor is still attached and connected. Could that cause these issues?
my next plan was to look into the pressure regulator and voltage to fuel pump while driving. Is there anything I’m missing or any ideas you guys have?
thanks!
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