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Old 05-10-2006, 10:59 AM   #1
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Default TC4 not getting any power to the wheels. .


I just picked up a TC4 yesterday, I am completely new to RC cars. My room mate, who has the TC3, assembled it yesterday, and barely any power reaches the wheels. The only way the wheels will spin is if the car is lifted up off the ground. The gears match perfectly from the motor and the drive shaft spins flawlessly.

Any suggestions?
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Old 05-10-2006, 11:05 AM   #2
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Any one of the following or any combination of:
1) The pinion gear is not tight on the motor shaft
2) The mesh is not set correctly between the pinion and spur gear
3) gear mesh inside the diff housing is not tight enough
4) Your motor or battery is dead
5) Your ESC or radio is not set correctly.
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Old 05-10-2006, 12:18 PM   #3
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Yup, check those and also check the tightness of the diffs, you might have them so loose no power can be put down under load. Associated if I remember recommends turning the diff screw (in the outdrive) in till it bottoms out and then back 1/2 turn out as a baseline.
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Old 05-10-2006, 05:29 PM   #4
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Follow instructions on the manual. You might have a loose differential, check it out! Oh, by the way, did you put ball diff grease on it?
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Old 05-10-2006, 05:33 PM   #5
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My guess is a loose diff or two.
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Old 05-10-2006, 06:07 PM   #6
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Originally Posted by R/C Anonymous
My guess is a loose diff or two.

I say you are right
Yokomo YRF001
AE B5m
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Old 05-10-2006, 06:28 PM   #7
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wouldn't it also act this way if the axle pins were missing? i left a car at a friends house and was wondering why it was driving funny the next weekend. someone "borrowed" one of my front ones. sabotage!!

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