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Old 05-03-2018, 12:44 PM   #1
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Trans shifts hard

I have a 2000 Tradewinds, model 7373, with an Allison MD 3060 trans and a 3126 Cat (330 hp). The coach has a little less than 70k on the odometer.

We just recently purchased the coach and took it on our first trip. The trans seems to shift hard, both upshifts and downshifts. Someone said it might be a worn-out throttle cable. Could that be the problem? Any other suggestions or ideas?


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Old 05-03-2018, 02:37 PM   #2
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Are you driving with the transmission in "Economy"?
I ask because the transmission will shift hard when in that mode, and that's normal.

David (AE5DS) & Linda Stall - F452322
1999 Tradewinds 7372 - Freightliner XC - Caterpillar 3126B - Generac IM-72LP
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Old 05-04-2018, 01:35 PM   #3
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Originally Posted by DKStall View Post
Are you driving with the transmission in "Economy"?
I ask because the transmission will shift hard when in that mode, and that's normal.
I've driven it in both "economy" and regular mode. Didn't seem to make much difference. Still seemed to shift hard.
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Old 05-08-2018, 09:14 AM   #4
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that coach is drive by wire, no throttle cable. do you know when the last time it had a filter and fluid change on the transmission was? they are extremely simple to do but you need a torque wrench to tighten the bolts because they are in an aluminum case and strip easy. I changed fluid and filters on mine last year and the filters I took out were from 1997. I have 80k miles and it shifts firm I wouldn't say its too bad though. it will not tip over a glass on the counter when it shifts, if it did I would think that's too hard. also have you checked your drive shaft U-Joints for grease/condition. they require grease every year at a minimum!
1998 National Tradewinds 7370 Cat 3126B 300HP Allison MD 3060 Freightliner XC Chassis at about 80K Miles. Burning Dinosaur Bones One Gallon At A Time
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Old 05-08-2018, 04:41 PM   #5
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Thanks for the replies. I appreciate the information.

Another question: Does anyone know if there is an air chuck on this coach that we can hook an air hose to and fill tires. I've read other posts and apparently other coaches have them. If there is, where is it located?

The person we bought the coach from took out one half of the dinette and put two chairs in its' place. I'm looking to replace that half, or the entire dinette. Any good sources for used / new RV furniture?
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Old 05-08-2018, 07:00 PM   #6
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I have three air chucks on my 99 Tradewinds. One is where the generator compartment is in the front, one is on the driver side in the small compartment behind the rear wheel, and the other one is in the battery compartment on the curb side. I would call Colaws RV salvage to look for dinett parts.

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