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Message: <blockquote data-quote="brdgbldr" data-source="post: 129795" data-attributes="member: 7474">It looks like the older 463 did not have a snubber filter.Make sure you enter your serial number or at least make sure you open the parts catalog for your range of serial number.Your problem could still be something in the line blocking flow. Hopefully it's not your pump but I wouldn't think it would have worked for a while at all if your pump was bad.You may also have a stuck valve.I assume that the only problem Is the drive function and the lift and tilt still work.According to my diagnostics manual, since both drive motors are not working, it is probably something in the charge circuit. What sucks is this will be a lot of work Since you will need to check for leaks or restrictions in the entire charge pressure circuit. You would start with the lines coming in and out of the pump, oil cooler and oil filter. Then you check the cooler-bypass valve for worn or broken parts. Then check the charge relief valve. Then check the pump and then the drive motors.Mind you that the above paragraph is generalized to all machines and I have noticed that bobcat will use different wording or names for different parts.I think I would start with the poppet valve that is in the filter block. That is where later models put the brass filter. You may have a bad or broken spring. It looks like there is also just a poppet and spring that is also in that block. Pretty much just check that entire block for debris or worn or broken parts.Anyway, that should get you stated. Good luck.</blockquote>

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