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Old 10-29-2020, 05:56 PM #1
toyotaspeed90 toyotaspeed90 is offline
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3.4 Coolant bypass hose foam...?

During my engine re-gasket I came across deteriorated foam around the coolant bypass hose back plate - where the plate fills the void between the block, heads, and lower intake.

I called Toyota and they don't list the gasket/foam separately. The full gasket kit I have didn't come with it either.

Toyota wanted $95 for this bypass hose with the foam and I can't justify that price when the hose itself is fine.

What have others done/used? It's too big a gap for RTV...
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Old 10-30-2020, 10:24 AM #2
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Buehler..... Buehler.....
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Old 10-30-2020, 11:38 AM #3
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Pic of offender...
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3.4 Coolant bypass hose foam...?-20201030_081354_compress52-jpg 
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Old 10-30-2020, 11:46 AM #4
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That's just a dust cover/seal... use whatever you feel is appropriate.

-Charlie
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Old 10-30-2020, 11:49 AM #5
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Quote:
Originally Posted by phattyduck View Post
That's just a dust cover/seal... use whatever you feel is appropriate.

-Charlie
Right... just trying to find d what others have used.

Most foams readily available are rated up to 150c, or about 300f. That should be fine, but... I tend to prefer over the top.

Thinking maybe some fiberglass rope meant as a stove door gasket.
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Old 10-30-2020, 08:51 PM #6
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Quote:
Originally Posted by toyotaspeed90 View Post
Right... just trying to find d what others have used.

Most foams readily available are rated up to 150c, or about 300f. That should be fine, but... I tend to prefer over the top.

Thinking maybe some fiberglass rope meant as a stove door gasket.
I have used this one same stuff I think

1132920010
GASKET, TIMING BELT OR CHAIN COVER, NO.2

total of 2.71$

1132920010 Toyota GASKET, TIMING BELT OR CHAIN COVER, NO.2, Price: 2.71$, Weight: 0.014kg - PartSouq Auto Parts Around the World

the only pain is going to be cleaning everything off, it's just self adhesive and things need to be clean else no sticky.
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Old 10-30-2020, 09:25 PM #7
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If Toyota had found that I would have absolutely ordered it.

Friend came over with an almost foam like seal for fireplaces and a high temp rtv. It's already curing.
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Old 03-02-2021, 10:46 AM #8
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3.4 coolant bypass heatshield/dust cover

Hello all,

New member here yet longtime follower of the site.

Going off of the original post I am replacing my 5vz-fe coolant bypass pipe (16268-62060)and the replacement I received from Toyota "Partznet.com" does not have the heatshield/dustcover the OP was discussing concerning the foam. Has anyone else come across this with a new bypass pipe? Did Toyota deem this piece negligible and have since opted not to put it on or did I get an incomplete assembly?

Thank you in advance for your replies.
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