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Old 12-10-2013, 07:03 PM   #1
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Freightliner surge tank failure

This is just a post about a problem I ran into with my '05 Winnebago Vectra.

Many of us have Freightliner Custom Chassis under our rigs. My '05 Winnebago Vectra was a DP with a side mount radiator. One day in Feb this year I noticed that the surge tank (overflow tank) was showing crack and leaks. I did get it replaced in the nick of time but it is a costly process. I was told that this is a common failure. So, if you have not inspected the tank yet you might want to look at it. Mine was plastic and mounted center and high behind the rear hood.

I don't see a problem with this new to me rig except trying to fill the tank is a real challenge.

I hope this post saves someone from a problem while on the road.

Happy trails and Merry Christmas,
Rick
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Old 12-11-2013, 07:25 AM   #2
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Yes the plastic tank used on many FL DP's is a weak point in the system. I had to replace the tank on my 2002 Journey. When the guys at Gaffney replaced the tank, they suggested fashioning a rubber flap of sorts to shield the tank from sun exposure.

My current rig has a steel tank, thankfully.
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Old 12-11-2013, 02:48 PM   #3
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Quote:
Originally Posted by smlranger View Post
Yes the plastic tank used on many FL DP's is a weak point in the system. I had to replace the tank on my 2002 Journey. When the guys at Gaffney replaced the tank, they suggested fashioning a rubber flap of sorts to shield the tank from sun exposure.

My current rig has a steel tank, thankfully.
My tank is plastic and I will do as was suggested to you. The material seems to be stronger and better formed than that of the old rig. Besides, this is a rear mount radiator and so much bigger than the side mount one. I wonder why? The tank is on the right above it. It is easy to see the fluid level whereas the old tank was always opaque. I still think it was manufactured without enough heat to bid the plastic crystals together correctly.

The steel tank should last the life of the rig.

Happy trails and thanks for the reply.

Rick
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Old 12-11-2013, 05:29 PM   #4
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I replaced the overflow tank on my old American clipper (RexhaLL). Cost less than 20 bucks. bought a Hudson sprayer at Home depot. Took spray hose and attached it the overflow tube. took the pump spray on top apart. Fashioned a gasket from piece of rubber and inserted it into twist on top. Put a small vent hole in the rubber. Used a large clamp from old fire extinguisher to clamp 2 gallon tank to bracket. Yes, it hold more coolant, but it does a good job. why get screwed by these MFG with over priced replacement tanks when they should of made a better tank to start with. safe travels.. ed
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Old 12-12-2013, 08:09 AM   #5
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Quote:
Originally Posted by EDALLSAILS View Post
I replaced the overflow tank on my old American clipper (RexhaLL). Cost less than 20 bucks. bought a Hudson sprayer at Home depot. Took spray hose and attached it the overflow tube. took the pump spray on top apart. Fashioned a gasket from piece of rubber and inserted it into twist on top. Put a small vent hole in the rubber. Used a large clamp from old fire extinguisher to clamp 2 gallon tank to bracket. Yes, it hold more coolant, but it does a good job. why get screwed by these MFG with over priced replacement tanks when they should of made a better tank to start with. safe travels.. ed
I don't know how much room you had to work in and still keep the tank high so as not to siphon the system dry. But your fix sound great. I don't think I could have done that. It's not my problem any longer. My post was invoked by the discovery of the receipt. The failure came quickly after I noticed the cracks.

This new to me coach is just fine at the tank. I hope it stays that way.

Happy trails,
Rick
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