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| Jimny 4x4 rumble https://auszookers.com/forum/viewtopic.php?f=5&t=50003 |
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| Author: | zukenutter [ Sun May 03, 2015 4:54 pm ] |
| Post subject: | Jimny 4x4 rumble |
Hi guys, last time I had the Jimny in 4WD I noticed some rumbling noise and vibration. 2WD is fine. 2WD with hubs locked is fine. Only an issue when in 4H or 4L. I've tried two different transfers so I don't think it's that, but could be wrong. The front hubs/axles/diff seems to have quite a bit of play. At the moment I'm thinking CVs or diff, keen to hear your thoughts. |
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| Author: | Gwagensteve [ Sun May 03, 2015 6:27 pm ] |
| Post subject: | Re: Jimny 4x4 rumble |
Front driveshaft slip yoke. |
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| Author: | zukenutter [ Sun May 03, 2015 6:32 pm ] |
| Post subject: | Re: Jimny 4x4 rumble |
It does have play in it Steve, I'd ruled that out based on it had play prior to the current issue but maybe it's just gotten to a more noticeable state of wear. I'll have a look again tomorrow, what's an acceptable level of slip yoke play? |
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| Author: | Gwagensteve [ Sun May 03, 2015 6:38 pm ] |
| Post subject: | Re: Jimny 4x4 rumble |
Unbolt front driveshaft and drive it in 2H, with and without hubs locked, and in 4h and 4l. Easy way to rule it out. Don't have a rule of thumb for wear- less is always going to be better than more. |
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| Author: | zukenutter [ Sun May 03, 2015 6:58 pm ] |
| Post subject: | Re: Jimny 4x4 rumble |
I'll update tomorrow after giving it a try. Seemed weird to me that 2H with hubs locked didn't rumble but I guess that's due to no torque going through. Side not, where do you think all the play in the front end would be coming from. Last time I had the shaft off I could turn the input flange 5-10° while the hubs are locked. |
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| Author: | Scrawny [ Sun May 03, 2015 7:00 pm ] |
| Post subject: | Re: Jimny 4x4 rumble |
Could try pumping slip joint full of grease also, as well as unis if they're greaseable. |
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| Author: | zukenutter [ Sun May 03, 2015 7:19 pm ] |
| Post subject: | Re: Jimny 4x4 rumble |
Slip joint has plenty of grease but I'll have a good look at the unis when I pull the shaft. |
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| Author: | Gwagensteve [ Sun May 03, 2015 8:24 pm ] |
| Post subject: | Re: Jimny 4x4 rumble |
5-10 degrees is nothing. I don't even think I'd be worried at 20-30 degrees. There's lots of places for play built in to a front end. |
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| Author: | zukenutter [ Mon May 04, 2015 7:07 am ] |
| Post subject: | Re: Jimny 4x4 rumble |
okay, that's good news |
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