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Re: How much pressure is in the transmission cooler hoses leading to the radiator
"Bruce L. Bergman" <blPYTHONbergman@earthlink.invalid> wrote in message
news:oblhk25b3kqj85b3eidfn2r41n5cnae9nb@4ax.com...[color=blue]
> On 1 Nov 2006 04:36:25 -0800, "Mark" <makolber@yahoo.com> wrote:
>[color=green]
>>
>>Bruce L. Bergman wrote:[color=darkred]
>>> On Tue, 31 Oct 2006 18:43:02 -0600, "Ray O"
>>> <rokigawaATtristarassociatesDOTcom> wrote:
>>> >"Mark" <makolber@yahoo.com> wrote in message
>>> >news:1162338578.378899.38460@e64g2000cwd.googlegroups.com...[/color][/color]
>[color=green][color=darkred]
>>> >> Is this correct? How much pressure is on the trany fluid that
>>> >> passes
>>> >> through the tranny cooler hoses?
>>> >
>>> >The pressure going to the transmission cooler is probably under 20 PSI.
>>>
>>> But remember that doesn't apply as a blanket rule to all cars, and
>>> it's good that you thought to check.[/color]
>>
>>So does anybody know what the pressure is for the 95 Camry?[/color]
>
> Look above (a little closer) for the answer - I snipped it down to
> only the relevant bits for ease of reading comprehension. ;-)
>
> Ray was a District Service Manager for Toyota for many years, and
> went through all the same training as the line technicians...
>
> He can't give you an exact figure, obviously, but "under 20 PSI" for
> the models of transmissions offered in that vintage Camry is more than
> "close enough for Gummint Work".
>
> Any purpose-made hose that they shipped with a trans cooler kit, the
> rubber compounds used can handle the fluid without deteriorating a
> should be fine, they are usually rated at 100 PSI or better in those
> small sizes. The hose ratings should be printed on the side of the
> hose, and on the package.
>
> You do NOT want to use regular "fuel line" or "heater hose" - that
> is NOT meant for transmission fluid, and will go bad and leak/burst on
> you much faster than the right hose.
>
> --<< Bruce >>--
>[/color]
Actually, "under 20 PSI" is just a guess on my part, I can check a factory
service manual when I get home tonight. IIRC, the pressure going to the ATF
cooler is much lower than internal line pressures, which is how I came up
with 20 PSI.
--
Ray O
(correct punctuation to reply)
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