From: john hamilton on
Replacing a petrol fuel filter on a 94 Corolla. The replacement filter came
with three new copper washers two for the top and one smaller size which is
presumably for the bottom connection, (since there was not one in there,
when we took the original filter off ?).

When its all reassembled, it leaks from the bottom connection. Is this
because there should not be a washer in there ? or that there should be a
washer and we need to buy some kind of sealant to put in on the threads ?
Thanks for advice.


From: Mrcheerful on
john hamilton wrote:
> Replacing a petrol fuel filter on a 94 Corolla. The replacement
> filter came with three new copper washers two for the top and one
> smaller size which is presumably for the bottom connection, (since
> there was not one in there, when we took the original filter off ?).
>
> When its all reassembled, it leaks from the bottom connection. Is this
> because there should not be a washer in there ? or that there should
> be a washer and we need to buy some kind of sealant to put in on the
> threads ? Thanks for advice.

you don't need sealant on petrol connections, it would be washed away in any
case. any chance of putting up a picture so that it is easier to understand?


From: john hamilton on

"Mrcheerful" <nbkm57(a)hotmail.co.uk> wrote in message
news:6iOKn.101987$Lg1.71929(a)newsfe17.ams2...
> john hamilton wrote:
>> Replacing a petrol fuel filter on a 94 Corolla. The replacement
>> filter came with three new copper washers two for the top and one
>> smaller size which is presumably for the bottom connection, (since
>> there was not one in there, when we took the original filter off ?).
>>
>> When its all reassembled, it leaks from the bottom connection. Is this
>> because there should not be a washer in there ? or that there should
>> be a washer and we need to buy some kind of sealant to put in on the
>> threads ? Thanks for advice.
>
> you don't need sealant on petrol connections, it would be washed away in
> any case. any chance of putting up a picture so that it is easier to
> understand?

----------------------------------------------------------------------------------

Thanks.

http://tinypic.com/r/2d15qp/6

This a view from the bottom of the filter. The black ring in the middle
inside is not flat, but a bit conical. (ie higher nearer the hole lower
nearer the threads on the outside).


From: Duncan Wood on
On Tue, 25 May 2010 12:46:06 +0100, john hamilton <bluestarx(a)mail.invalid>
wrote:

>
> "Mrcheerful" <nbkm57(a)hotmail.co.uk> wrote in message
> news:6iOKn.101987$Lg1.71929(a)newsfe17.ams2...
>> john hamilton wrote:
>>> Replacing a petrol fuel filter on a 94 Corolla. The replacement
>>> filter came with three new copper washers two for the top and one
>>> smaller size which is presumably for the bottom connection, (since
>>> there was not one in there, when we took the original filter off ?).
>>>
>>> When its all reassembled, it leaks from the bottom connection. Is this
>>> because there should not be a washer in there ? or that there should
>>> be a washer and we need to buy some kind of sealant to put in on the
>>> threads ? Thanks for advice.
>>
>> you don't need sealant on petrol connections, it would be washed away in
>> any case. any chance of putting up a picture so that it is easier to
>> understand?
>
> ----------------------------------------------------------------------------------
>
> Thanks.
>
> http://tinypic.com/r/2d15qp/6
>
> This a view from the bottom of the filter. The black ring in the middle
> inside is not flat, but a bit conical. (ie higher nearer the hole lower
> nearer the threads on the outside).
>
>

I don't think that needs a washer, provided the end of the pipes undamaged
it should just seal, check it hasn't acquired a burr where the copper
washer was & reassemble it.
From: Mrcheerful on
Duncan Wood wrote:
> On Tue, 25 May 2010 12:46:06 +0100, john hamilton
> <bluestarx(a)mail.invalid> wrote:
>
>>
>> "Mrcheerful" <nbkm57(a)hotmail.co.uk> wrote in message
>> news:6iOKn.101987$Lg1.71929(a)newsfe17.ams2...
>>> john hamilton wrote:
>>>> Replacing a petrol fuel filter on a 94 Corolla. The replacement
>>>> filter came with three new copper washers two for the top and one
>>>> smaller size which is presumably for the bottom connection, (since
>>>> there was not one in there, when we took the original filter off
>>>> ?). When its all reassembled, it leaks from the bottom connection. Is
>>>> this because there should not be a washer in there ? or that there
>>>> should be a washer and we need to buy some kind of sealant to put
>>>> in on the threads ? Thanks for advice.
>>>
>>> you don't need sealant on petrol connections, it would be washed
>>> away in any case. any chance of putting up a picture so that it is
>>> easier to understand?
>>
>> ----------------------------------------------------------------------------------
>>
>> Thanks.
>>
>> http://tinypic.com/r/2d15qp/6
>>
>> This a view from the bottom of the filter. The black ring in the
>> middle inside is not flat, but a bit conical. (ie higher nearer the
>> hole lower nearer the threads on the outside).
>>
>>
>
> I don't think that needs a washer, provided the end of the pipes
> undamaged it should just seal, check it hasn't acquired a burr where
> the copper washer was & reassemble it.

that is a conical fitting (like the end of a brake pipe) the end of the pipe
that goes in will have a matching 'flare' as long as the two flares are
undamaged and clean and the nut does up tight then it should seal fine,
definitely no washer needed.

perhaps the spare washer is for another year with a different fitting.


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