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Transmission Discussion of preventative/corrective maintenance and other technical issues regarding your coach's transmission.

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  #1  
Old 10-25-2010
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jyclegg jyclegg is offline
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Location: Maggie Valley
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Default Transmision Cooler Hose Leak

Well, my luck ran out on Sat. I blew the hose from the trans to the cooler on my 88PT40. After a tow home, I remove the bad hose and a couple of others. Will head out this afternoon for some new hoses.

I was wandering, do you think I will have any trouble refilling the trans? I think it pumped most the oil out. Will the torque converter refill ok? Is there a procedure to refill the trans? What about hose material? I think the failure my have been longer term heat, on the outlet from the retarder.

Thanks
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Jon Clegg
1988 WB40PT "Paradise"
Cross Creek RV Park, Maggie Valley NC
www.xcreekrv.com
35°31'08.6"N 83°03'38.8"W
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  #2  
Old 10-25-2010
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atckip atckip is offline
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I blew the bottom hose from the retarder to the heat convertor on my trip out west. After replacing the hose we just refilled it and drove it around the walmart parking lot until I got it to the correct level. Then I checked it regularly on the rest of my trip but the level stayed full.
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Kip Henry
95 WB42 S-60
88 WB40 2010/14
Brooks, GA
Kip Cindy & Cody
678-523-7920
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  #3  
Old 10-25-2010
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Also if you call them direct you can pick up a heat exchanger for $100 plus shipping. I got one and plan on replacing it when I do my other lines. High on my to do list.

http://cgi.ebay.com/ebaymotors/CHAMP...-/290412844162
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Kip Henry
95 WB42 S-60
88 WB40 2010/14
Brooks, GA
Kip Cindy & Cody
678-523-7920
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  #4  
Old 10-25-2010
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Thanks. So you replace the hose right in the Walmart lot?
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Jon Clegg
1988 WB40PT "Paradise"
Cross Creek RV Park, Maggie Valley NC
www.xcreekrv.com
35°31'08.6"N 83°03'38.8"W
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  #5  
Old 10-25-2010
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Quote:
Originally Posted by jyclegg View Post
Thanks. So you replace the hose right in the Walmart lot?
I didn't ! I didn't have the tools. Mobile repair sent by good sam. After 22 years it was a bugger to get off. Had I been home I probably could have done it with much cussing involved. They made the hose a little too long and it was tough to get on. A 1 1/4 inch hose doesn't like to bend. Make sure they get the length correct.
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Kip Henry
95 WB42 S-60
88 WB40 2010/14
Brooks, GA
Kip Cindy & Cody
678-523-7920
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  #6  
Old 10-26-2010
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I got the hoses back on last night. I replace three of the hoses on the same side. I should do the others, but how you get to the ones on the top of the trans, I don't know. Tonight I will refill the trans, and check for leaks.
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Jon Clegg
1988 WB40PT "Paradise"
Cross Creek RV Park, Maggie Valley NC
www.xcreekrv.com
35°31'08.6"N 83°03'38.8"W
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  #7  
Old 10-26-2010
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Did you work with a pit or just on the ground. How tough were the other 2 hoses to get off? I'm trying to decide if I want to tackle this myself or take it some where. When i replaced my compressor coolant hoses I went through the access panel under the bed. There was access to some trans hoses there.
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Kip Henry
95 WB42 S-60
88 WB40 2010/14
Brooks, GA
Kip Cindy & Cody
678-523-7920
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  #8  
Old 10-27-2010
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I don't have a pit. I have ramps made from 8 x 8 timber, and the tow truck guy helped me put the bus on the ramps. I didn't have any trouble with the hoses. I had to buy some be open end wrenches. Harbor Freight junk, $39 for a set of 6, up to 2". Then I had to grind them to fit. China junk not made well.

I refilled the system last night. No leaks, trans seems to be fine. I will take it out on the highway this weekend, and see how it does.
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Jon Clegg
1988 WB40PT "Paradise"
Cross Creek RV Park, Maggie Valley NC
www.xcreekrv.com
35°31'08.6"N 83°03'38.8"W
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  #9  
Old 10-27-2010
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Default tranny cooler

Just had help replaceing mine, after I started mine the first time heard a loud bing an thought it was the lines filling an with the exchanger filling, never heard it again. Everything is fine as I drove it back to the camp site. the hardest part was break loose the old hose lines.
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1989 PT40WB
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