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  1. #1
    RC Enthusiast
    Join Date
    Apr 2012
    Posts
    31

    diff / gearbox ?

    i have a slight problem with my transmision i took it on a good days bashing and at the end of the day i noticed a slight grindy / clicky noise under load . so i tied it to a tree (not the best thing to do) and nailed the throtle and it seemed to judder with every full rotation of the wheels. so i am asking if anybody knows if the summit has week gear box gears or diffs. i have checked the spur gear and clutch so far but havent had time to strip anything else yet.

  2. #2
    RC Turnbuckle Jr. jamann's Avatar
    Join Date
    Sep 2009
    Location
    Victoria B.C Canada
    Posts
    5,062
    My first guess diff. Unhook the rear drive shaft and spin it by hand see if there is any binding clicking crunching? Is the clicking in high and low gear that would lead me to diffs. If it happens in only one gear
    Could be a output gear in the trans
    Check pinion bearings as well in the diff



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    Mountains cant stop me
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  3. #3
    RC Enthusiast
    Join Date
    Apr 2012
    Posts
    31
    after stripping the diffs and trans out i found that the main output gear has 2 teeth missing
    hence the problem. also the front diff bearings are very worn. so new bearings in there and we are back on the trail.
    thanx jamann

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