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Ro646a

New Boston, MI

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Posted: 11/11/19 04:24pm Link  |  Quote  |  Print  |  Notify Moderator

My 20 year old American Dream diesel pusher still has all the original cooling and hydraulic hoses. It has been stored indoors all its life and only has 30,000 miles on it, and is in excellent condition (still looks new). The hoses that I can see all look and feel good. Are they due to fail?


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Oasisbob

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Posted: 11/11/19 04:32pm Link  |  Quote  |  Print  |  Notify Moderator

If you have a long road trip planned I would change them out. Do they feel stiff? They may be hard to find. Better to buy them while at home rather than on the road.


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azdryheat

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Posted: 11/11/19 04:47pm Link  |  Quote  |  Print  |  Notify Moderator

I'd change them. Plus you might need a coolant change.


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Ro646a

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Posted: 11/11/19 05:15pm Link  |  Quote  |  Print  |  Notify Moderator

azdryheat wrote:

I'd change them. Plus you might need a coolant change.


I have kept up on all the fluid and filter changes. I'm just concerned about the hoses.

Big Katuna

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Posted: 11/11/19 05:32pm Link  |  Quote  |  Print  |  Notify Moderator

I was at Freightliner Gaffney this summer for belts and valve lash on my 05.

Factory hoses. I asked them to check the hoses and advise and he told me they were fine. They squeeze them and check for cracks. If they’re still soft, flexible and no cracks leave them.

Buying replacements might not be a bad idea.


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Tom/Barb

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Posted: 11/11/19 05:51pm Link  |  Quote  |  Print  |  Notify Moderator

Inspect, Inspect ---- and change as required.

all new hoses will set you back $3000 or more.

We commonly see 50 years on Equipment with no problem.


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johnhicks

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Posted: 11/11/19 08:24pm Link  |  Quote  |  Print  |  Notify Moderator

Go ahead an change the radiator hoses, they should be about $50 each. For the heater hoses going up front, if you get into a jam you should have two shutoff valves at the engine. As for the hydraulic hoses running up front, that's a big job to replace but you should have them carefully inspected to be sure they're not rubbing on frame edges etc.

Also, if you haven't already done so, change the belts.

I sprung a leak in my 26-year-old top radiator hose last year and had it changed out at a CG in Montgomery. $45 for the hose and $200 for the service call and a couple of jugs of coolant. It would have been so much easier and cheaper to just do it in advance.

If you have an Oshkosh/Freightliner chassis, call Freightliner and give them the last four digits of your VIN and they can sell you the parts of give you the part numbers.


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ferndaleflyer

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Posted: 11/12/19 07:21am Link  |  Quote  |  Print  |  Notify Moderator

A few years ago I had the radiator replaced on my Freightliner Chassis DP. About a month later a top radiator hose failed on a Sunday in the middle of nowhere. No help to be had so I had to abandon it, get a rental car, buy tools, hose and clamps and repair it myself which was no fun. It was hot and I at the time was 75 years old. They had not replaced the hoses while replacing the radiator.

Chum lee

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Posted: 11/12/19 02:11pm Link  |  Quote  |  Print  |  Notify Moderator

Tom/Barb wrote:

Inspect, Inspect ---- and change as required.

all new hoses will set you back $3000 or more.

We commonly see 50 years on Equipment with no problem.


Agreed! But, inspect for what? Make sure your pressure cap is functional, if applicable. Flexible hoses, both coolant and hydraulic, typically fail from the inside out. So, you can't see the internal cracks in the hose when it's beginning to fail because the failure points are on the inside. (unless you can see physical damage on the outside) Internal cracks will eventually show themselves externally. When you inspect your hoses you should do it when they are hot and pressurized. Generally you will see bulging near the clamped portions at the ends, at flex points, or, at the swagged fittings for hydraulic hoses. Of course, leaks/seeping/precipitate of any kind should receive immediate attention. If tightening the clamp doesn't cure the leak, you should replace the hose. If the hose is bulging throughout its length when hot/pressurized, it's done no matter what it looks like.

At 30,000 miles and considering the age of your MH, it has been sitting cold/covered more than 99% of its life. If you are using factory recommended fluids and changing them regularly, chances are you are fine. If it makes you feel better, you can buy the hoses that run hot and carry them with you. Then you'll be prepared. IMO, you should buy OEM quality hoses if you decide to change them. This is not a place to save a buck on parts.

Chum lee

Ro646a

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Posted: 11/12/19 02:33pm Link  |  Quote  |  Print  |  Notify Moderator

Thank you all for your input.
The belts and all fluids(coolant, trans fluid, oil, hydraulic fluid) and every filter were last replaced in June, and my tires are one year old, so I'll rest a little easier with this info. [image]

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