Single Steering servo Question?

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dlc3

dlc3

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I have a Hitec D845wp for my steering. When its on the stand it steers back and forth just perfect. But, when i sit it on the floor and try to steer,...it barely turns? Iam still running with the stock remote and receiver with the 6V battery. Battery is also fully charged. I bought this truck new 6 years ago , ran it 20 mins and the dual steering servo's went to crap so, i bought new servo's for the throttle and steering . I havnt ran it yet because iam concerned about the steering issue. Any help would be appreciated.
 

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Here are the servo's iam using for the throttle and steering. HiTec D845wp and HiTec D645mw .
 

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I would not expect any servo to move the wheels just setting on floor....unloaded on a stand ,yes. Being you have a lot of aluminum, there may be some ( corrosion ) causing a bind. I personally would disassemble one piece at a time while checking for a bind all the way to servo and lubricate as needed, process of elimination. The other thing to check is servo saver tension, usually loose from factory. Now if it turns well while being driven just tighten servo saver till your satisfied with performance.. And also check your endpoints and so on for radio....if you haven't. Did you ever determine what caused the original servos to go bad...just think every thing through and you'll find the issue
 
Thanks Mick, yeah i just had the truck completely apart on the kitchen table for a month stripped down almost to the bare frame lubing and making sure things were tight and moving like they should. Even put all new bearings in everything with a new 8000rpm clutch. It's going to suck if that servo is to weak as it cost damned near 300.00. But, i guess if it doesn't work i may have to upgrade to heavy duty stuff with more voltage like the primal steering servo and upgrade my radio and such to 7.4V or something. At this point iam going to fill it up with gas and try it as soon as the weather gets cooler. Been to hot outside to play around with it. I appreciate your feedback though.
 
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