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Old 08-20-2021, 01:33 PM   #1
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pesky brake lines from master cylinder

hi folks

well, covid has not been kind to our bus.

Found 3 pin holes in various brake lines. Most importantly, in the 2 brake lines coming from the master cylinder, going to the frame rail. Tried a few International dealers with little success, Midwest Bus Parts is not returning my emails.

Anybody here can supply part numbers for these lines, or have a source that can supply these two lines?

these have a section of flex line in between, right now we have temporary lines with a pig tail loop.

When we took it out for a long trip, clearly, at least one of the front wheels lost the balancing weights. As they are over 10 yrs old, we probably will replace them, any recommendations?, currently 10r22.5.

the bus is a bluebird, 1998, on a 3800(?) international chassis, dt466e engine.

Thanks in advance for yer input

Gert

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Old 08-20-2021, 01:51 PM   #2
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https://www.rockauto.com/en/catalog/...rake+hose,1792


I simply bent my own brake line. Put 3 or 4 loops in the line to accommodate the flex between the chassis and the body.
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Old 08-20-2021, 02:32 PM   #3
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I'd suggest solid line with 3-4 large loops for flex as well. If you have a vin I can try and look it up for you, no guarantees though with how old it is.

As far as tires are concerned, I'd get whatever was cheapest, as you won't likely wear them out from mileage. Wouldn't worry about balance either, just throw in the appropriate amount of balance beads and be done.
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Old 08-20-2021, 02:56 PM   #4
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Get some 1/4" copper nickel line (should be the factory size) and put some coils in the line. Clean up and re-use the old fittings.


Be SURE to check the rest of the lines. Mine looked good until I went to replace them. I replaced everything in 1 shot. Some of them were paper thin but not rusted on the outside.






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Old 08-20-2021, 03:08 PM   #5
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Mr4btTahoe:
Yeah, we put loops in too. We did replace about 90% of the brake lines and hoses about 5 years ago, The ones leaking were of course the ones not replaced.

i do worry about vibration in long unsupported lines.

BTW, the brake lines look like the ones I have on my still

Booyah45828:
1HVBBAAM9WH570609

thanks for the replies, guys!!
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Old 08-20-2021, 03:24 PM   #6
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Quote:
Originally Posted by rv8flyboy View Post
Mr4btTahoe:
Yeah, we put loops in too. We did replace about 90% of the brake lines and hoses about 5 years ago, The ones leaking were of course the ones not replaced.

i do worry about vibration in long unsupported lines.

BTW, the brake lines look like the ones I have on my still

Booyah45828:
1HVBBAAM9WH570609

thanks for the replies, guys!!
1619277C91 Primary
1619276C91 Secondary

I show both of them as still being available.

You've got brakes on your still? what for?
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Old 08-20-2021, 03:40 PM   #7
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got brakes on the still so it doesn't run away, or appear to run away, depending on the shine quality.

Thanks for the numbers!
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Old 08-20-2021, 03:41 PM   #8
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rv8flyboy: the ones at that Rockauto link I posted are affordable options for the rubber part, if you don't want to coil solid line. Roughly $20 each. I bought a rubber flex line for each caliper since I couldn't get enough loops in the solid line to properly flex while cornering ;)
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Old 08-20-2021, 03:56 PM   #9
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Quote:
Originally Posted by jazty View Post
rv8flyboy: the ones at that Rockauto link I posted are affordable options for the rubber part, if you don't want to coil solid line. Roughly $20 each. I bought a rubber flex line for each caliper since I couldn't get enough loops in the solid line to properly flex while cornering ;)

Those rubber lines only have a 1/8" ID. The oem lines are 1/4". Not sure if it would cause an issue so we went with coiled hard line at the master.


As for the lines being long, just support them and they'll be fine. We've since added some extra support tabs near the bottom of the loops.
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Old 08-20-2021, 04:01 PM   #10
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Quote:
Originally Posted by Mr4btTahoe View Post
Those rubber lines only have a 1/8" ID. The oem lines are 1/4".

Are they? I can't find any information stating the rubber hose ID for any of the items. Just the fitting size. At any rate, they work as well as OEM from my limited experience. The also look identical from the exterior
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Old 08-20-2021, 04:17 PM   #11
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Originally Posted by jazty View Post
Are they? I can't find any information stating the rubber hose ID for any of the items. Just the fitting size. At any rate, they work as well as OEM from my limited experience. The also look identical from the exterior

The lines at the wheels are 1/8" from the factory too so no problem there.. but the main supply lines at the master are larger.


I just replaced all the rubber lines and hard lines on our bus. The lines at the corners were all 1/8" ID but the supply lines were 1/4"
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Old 02-20-2023, 07:25 PM   #12
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Just like to say thanks for posting the part numbers for these brake lines. Sure made ordering replacements a LOT easier. Mine were original to the bus, (manufactured in 1995) when we removed them they almost disintegrated.

I have had difficulty in obtaining diagrams with part numbers. Most dealers seem very reluctant to give out part numbers, and I guess I would do the same thing in their shoes.
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Old 02-21-2023, 07:25 AM   #13
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They're reluctant to give it out because selling parts is their business. Most brick and mortar stores can't compete with online, so if you take the numbers and go elsewhere they didn't make money. If they don't make money, the parts guy doesn't get paid.

Don't get me wrong, some of the stuff has exorbitant mark ups, and I get everyone wants to save money.
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Old 07-08-2024, 01:39 PM   #14
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glacierbear1

Quote:
Originally Posted by rv8flyboy View Post
hi folks

well, covid has not been kind to our bus.

Found 3 pin holes in various brake lines. Most importantly, in the 2 brake lines coming from the master cylinder, going to the frame rail. Tried a few International dealers with little success, Midwest Bus Parts is not returning my emails.

Anybody here can supply part numbers for these lines, or have a source that can supply these two lines?

these have a section of flex line in between, right now we have temporary lines with a pig tail loop.

When we took it out for a long trip, clearly, at least one of the front wheels lost the balancing weights. As they are over 10 yrs old, we probably will replace them, any recommendations?, currently 10r22.5.

the bus is a bluebird, 1998, on a 3800(?) international chassis, dt466e engine.

Thanks in advance for yer input

Gert
did you every find part numbers for the brake lines or where to purchase them ?
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Old 07-08-2024, 02:21 PM   #15
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If you have an International 3800 bus chassis with Hydraulic brakes, I have two brand new genuine International hoses that go from the master cylinder down to their connection with the hard lines on the bus. They have formed metal tubes for part of their length, and flexible hoses make up the rest. Male fittings on the metal tube ends, and female on the flexible hose ends. These are referred to by International as primary and secondary hoses.

1619277C91 Hose Assy Hyd Primary

1618276C91 Hose Assy Hyd Secondary

$155 for both including shipping in the continental US.
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Old 07-08-2024, 06:36 PM   #16
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im not sure how we connect to purchase those Phone or email
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Old 07-08-2024, 06:47 PM   #17
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Quote:
Originally Posted by Booyah45828 View Post
They're reluctant to give it out because selling parts is their business. Most brick and mortar stores can't compete with online, so if you take the numbers and go elsewhere they didn't make money. If they don't make money, the parts guy doesn't get paid.

Don't get me wrong, some of the stuff has exorbitant mark ups, and I get everyone wants to save money.
The dealers on 1995 buses don't make money off of most of the parts anymore anyways because they no longer have them. The IH Dealership showed me on his computer my full parts list on his screen and they were all colored in RED, which indicates no longer obtainable. Like 75% of the list was in RED for my 1995 3800 3box. The other 25% can still be obtained as New Old Stock. It was explained to me that once they hit RED, International will no longer make any money off of those parts and will gladly offer the part numbers.

If your bus is newer and most parts in the BLACK in their system, then it holds true they are reluctant to give out the part numbers.

Just what I was told.
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Old 07-08-2024, 08:21 PM   #18
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Originally Posted by glacierbear1 View Post
im not sure how we connect to purchase those Phone or email
I sent you a private message.

Jeffrey Fikes
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Old 07-09-2024, 07:19 AM   #19
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Quote:
Originally Posted by nikitis View Post
The dealers on 1995 buses don't make money off of most of the parts anymore anyways because they no longer have them. The IH Dealership showed me on his computer my full parts list on his screen and they were all colored in RED, which indicates no longer obtainable. Like 75% of the list was in RED for my 1995 3800 3box. The other 25% can still be obtained as New Old Stock. It was explained to me that once they hit RED, International will no longer make any money off of those parts and will gladly offer the part numbers.

If your bus is newer and most parts in the BLACK in their system, then it holds true they are reluctant to give out the part numbers.

Just what I was told.

a lot of more common parts like brake parts and what not have aftermarket replacements.. remember your 3800 is essentially a bus chassis version of a 4700.. and there are still many many 1000's of 4700s still running around.. so take those IH part numbers and cross them.. truckpro, fleetpride, etc often has a part that will fit it...
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Old 07-09-2024, 03:42 PM   #20
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Quote:
Originally Posted by cadillackid View Post
a lot of more common parts like brake parts and what not have aftermarket replacements.. remember your 3800 is essentially a bus chassis version of a 4700.. and there are still many many 1000's of 4700s still running around.. so take those IH part numbers and cross them.. truckpro, fleetpride, etc often has a part that will fit it...
Oh, I was not aware it's the same as a 4700. So will most 4700 part numbers will work on the 3800?
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