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Change Transmission Cooler or not?
Posted by Jerry on August 18, 2013 at 8:02 pmI have heard that you need to replace the transmission cooler if you have a retarder? If so, how often?
Anyone know approx cost?
Archived replied 13 years, 2 months ago 5 Members · 9 Replies -
9 Replies
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I have never heard that. I have heard that you need to keep a close eye on transmission temps because the retarder will raise fluid temps when it is being used. This may be a good one for Jon or Tom…have you guys ever heard of this?
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You do have a shorter service interval in miles for changing Transynd and the transmission filters, but few of us put the miles on to get to that point so 4 years is the fluid and filter changer interval we all tend to follow.
I have never heard of the need to change the cooler which is a coolant to transmission fluid heat exchanger.
If you go here: http://prevostparts.volvo.com/technicalpublications/en/manuel.asp you will be able to find all the service intervals and service information relating to your coach. That is my “bible” regarding service questions and issues because I can likely find everything I need to answer questions about my coach.
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Here is a typical service manual for the transmission.
http://prevostparts.volvo.com/technicalpublications/pdf/PA-1217_8.pdf
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Sometimes we make stuff up. Sometimes we don’t know what we are talking about. That’s why it pays to verify everything you read on the internet, especially when Tom or I post it.
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This is where I read about replacing Trans cooler. I was at Prevost Jax this week, and they said no replacement needed.


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Prevost does a great job with their recommended service intervals and the information available to us online to keep our coaches in great shape. But as owners we have to question some things. An example I use is the service manual is explicit in calling for us to change brake chambers every year or 100,000 miles, whichever comes first. I am not aware of anyone ever doing that.
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