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Topic: Rust at steel radiator fill tank. (Read 456 times) previous topic - next topic

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Rust at steel radiator fill tank.
While doing my Water pump on our 3126 Cat, pulled the steel tank from the fire wall, per Bruce Beans suggestion. Lots of rust between them, not any holes in the tank. Lots of heavy pitting, and much metal scales.

Light scrap then wire brush, then...

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Re: Rust at steel radiator fill tank.
Reply #1
Here is a thread that alerted me to the problem and my fix.

Rust alert. Coolant reservoir

Re: Rust at steel radiator fill tank.
Reply #2
Chris,

Was there any kind of plastic sheet between your tank and the bulkhead?  Or is it just metal to metal?

The last time this subject came up I went out and looked at my tank.  It has a sheet of some kind of heavy black plastic that covers the...

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Re: Rust at steel radiator fill tank.
Reply #3
Here is a thread that alerted me to the problem and my fix.

Rust alert. Coolant reservoir

Good link, and yes, that is how ours looked exactly.

Thanks for sharing

Chris


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  • bbeane
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Re: Rust at steel radiator fill tank.
Reply #4
Good job MR Cat man 😎👍. Chuck there was nothing between mine just metal to metal.

Re: Rust at steel radiator fill tank.
Reply #5
After cleaning & painting, we mounted out tank back on bulkhead with spacer to let air flow across backside.

We did not disconnect anything, just move out a bit and cleaned, scrapped and painted.

Recommend this for everyone, as this is not a good...

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  • dsd
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Re: Rust at steel radiator fill tank.
Reply #6
Good call looking at it. Will clean, prime, paint
Again Thanks Scott

  • dsd
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Re: Rust at steel radiator fill tank.
Reply #7
Mount
Also will add 1/8 thick washers to stand apart both parts to prevent further corrosion

Re: Rust at steel radiator fill tank.
Reply #8
Chris,

Was there any kind of plastic sheet between your tank and the bulkhead?  Or is it just metal to metal?

The last time this subject came up I went out and looked at my tank.  It has a...


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Re: Rust at steel radiator fill tank.
Reply #9
Nothing behind it, metal to metal.
OK thanks.  Guess it was added by a PO.

I'll still drop the tank and see what it looks like....when our weather cools off a bit.

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Re: Rust at steel radiator fill tank.
Reply #10
Yes. me as well when this Hernia surgery allows

Re: Rust at steel radiator fill tank.
Reply #11
Here is our thread showing our scrapping tool & other comment on the rust problem:

Coolant pressure tank rust problem (we all may have)

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  • oldguy
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Re: Rust at steel radiator fill tank.
Reply #12
I will check my tank tomorrow.

  • oldguy
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Re: Rust at steel radiator fill tank.
Reply #13
Checked my tank, was rusty and would have failed some time down the road. I have cleaned it and will treat it soon. This Forum
is so great.

  • oldguy
  • [*][*][*][*][*]
Re: Rust at steel radiator fill tank.
Reply #14
Here is a picture of it. This is after I power wired brushed it.

Re: Rust at steel radiator fill tank.
Reply #15
Chris,

Was there any kind of plastic sheet between your tank and the bulkhead?  Or is it just metal to metal?

The last time this subject came up I went out and looked at my tank.  It has a...


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Re: Rust at steel radiator fill tank.
Reply #16
did our PO's know each other?

Knowing both coaches PO they were most likely done down at Bill's shop. John, Bill, or Dave will be 100% for sure, as I remember talking to one of the 3 about if it...

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