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T4 Help Needed Urgent

T4 Help Needed Urgent

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Old 01-18-2008, 06:42 AM
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Well i just finished building my associated t4 and went 2 run it 2day and i noticed alot of the time the pinion and spur would spin together but the wheels would not, just not 2 sure what 2 do 2 fix the prob, the only way i could get the car to move is if slowly accelerated any help apreciated
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Old 01-18-2008, 06:43 AM
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Tighten the slipper clutch (the nut on the shaft that the spur gear mounts to)
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Old 01-18-2008, 06:52 AM
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alright ill try that, instructions arent to right on tigentening things haha, any idea on how much or just until it works
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Old 01-18-2008, 06:57 AM
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hold the truck by the back two wheels.
tighten the clutch until it can raise the front wheels about level when you have a freind hit the throttle.

when it is set correctly the car should be level in the air.. no more no less

also make sure you diff is correctly tightened
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Old 01-18-2008, 06:59 AM
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will give that a try as soon as i get a new diff thrust bolt, as the other day when tryin 2 solve the problem i tightened diff just to much and the lock nut and the spring shot across the room.
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Old 01-18-2008, 07:01 AM
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also take the spring... and compress it fully a few times with a set of pliers.. this will break the spring in and require you to not have to tighten the diff as much after breakin
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Old 01-18-2008, 09:22 AM
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I think the instructions say to tighten the diff not till its snug, and then back off 1/8 of 1 full turn.

That is what I have used when assembling my T4 or B4 diffs in the past, and that has worked well. After that, I then play with the slipper setting. You need to make sure your diff is set right before working on the slipper.

Also, make sure that you have the diff in the right way in the tranny housing. If its not, it can open up ( the diff setting) on you.
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