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Old 11-01-2010, 02:50 PM   #1
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Default Unstable steering on straight

Just got a photon. When I am on the straight I have to correct the steering. It seems to drift to left. My servo is centered with the servo horn. How do I fix this?
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Old 11-01-2010, 02:57 PM   #2
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Have you had any impacts - small or big- with it? Maybe something is bent a tiny amount, that can be enough to make the car not running straight.

You don't mention anything about that you have fine tuned the steering trim on your radio, have you tried this?
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Old 11-01-2010, 03:05 PM   #3
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Originally Posted by hanzo3 View Post
Just got a photon. When I am on the straight I have to correct the steering. It seems to drift to left. My servo is centered with the servo horn. How do I fix this?
Make sure the driveline is free, it's easy to put the set screw in the hubs/knuckles too far in and bind up your axle.
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Old 11-01-2010, 03:06 PM   #4
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Good day!

Have you checked your front end allinement and does your car make the same size circle while turning left and right?
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Old 11-01-2010, 03:13 PM   #5
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my TC was doing that a bit the other day; I had the shock position slightly different on one side of the car. re-mounted them all @ the same setting and steering came back as expected.
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Old 11-01-2010, 04:10 PM   #6
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Assuming the bellcrank is perfectly centered and the steering links are exactly the same length to give equal toe settings, check that the suspension mount inserts all have the notch facing the same direction (straight up or straight down). If they aren't perfectly aligned you'll need to hold the metal insert with pliers while tightening the screw or the insert will turn inside the plastic mount a little and it throws off your suspension and steering geometry. TOP have just released stronger plastic suspension mounts to prevent this, but they would probably not be the ones in your kit.

Make sure your camber is precisely set the same left to right as well.
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Old 11-01-2010, 05:17 PM   #7
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Replace the servo horn. Sure it might look fine, but after time and impacts this is the first place to start.

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Old 11-01-2010, 06:53 PM   #8
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Double check the rear toe...
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