GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

Lost all gears. Input shaft or pump?

Old Jul 6, 2015 | 02:43 AM
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Default Lost all gears. Input shaft or pump?

Well, after having 2 weeks of intermittant issues with my truck, I lost all gears (forward and reverse).

Would a broken pump allow it to be nursed along in 1st at 10mph? I shut it off and it was luckily able to just give me enough motion to get it into a parking lot.

Otherwise, I rev and get nothing in manual 1,2,3,D or reverse. I assume a broken input shaft wouldn't give me any movement at all.

Thanks!
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Old Jul 6, 2015 | 09:32 AM
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I have a gauge for that
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Does it idle higher than usual? If so then I would say broken shaft.
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Old Jul 11, 2015 | 11:41 PM
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check your fluid level if its overfull you have an issue with the pump, the converter will drain back while running if pump is not working.
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Old Jul 12, 2015 | 12:23 AM
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Fluid level is/was normal. It idles normally in park.
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