Drain - petrol filler recess

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Drain - petrol filler recess

Postby TD2 » Fri 07.06.2019, 20:34

As the filler recess fills with water I assume that the drain from the bottom of the recess is blocked. Have tied to clear using a flexible plastic rod but will only go in for about 3 inches before it hits a stop, I assume bend in pipe.

Anyone out there had this problem and solved it?

Where does the drain come out so that I can perhaps attack the blockage from the bottom?
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Re: Drain - petrol filler recess

Postby GeoffSmith » Fri 07.06.2019, 20:48

Calypso Red S2 #417

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Re: Drain - petrol filler recess

Postby Rambo » Fri 07.06.2019, 21:48

Ian - top tip. Try a compressor and air line to blast the sludge through. For a more manegeable option try a bicycle pump and a football adaptor
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Re: Drain - petrol filler recess

Postby dapinky » Fri 07.06.2019, 22:06

Or for a slightly less aggressive method, a syringe works well (or a turkey baster) - either filled with air or clean water.....

.... a cheap method is to use an empty washing up liquid bottle....
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Re: Drain - petrol filler recess

Postby Rambo » Fri 07.06.2019, 22:15

I like the idea of the washing up bottle with some warm water and degreasant. Another top tip :smt023
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Re: Drain - petrol filler recess

Postby lotusflasherman » Fri 07.06.2019, 22:26

Rambo wrote:Ian - top tip. Try a compressor and air line to blast the sludge through. For a more manegeable option try a bicycle pump and a football adaptor


I use a vacuum pump to suck it out because there is a design flaw in that the initial rubber tube is L shaped and has a smaller bore rigid pipe pushed into it so muck that goes down the rubber tube will not always go down the rigid pipe...

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Re: Drain - petrol filler recess

Postby TD2 » Wed 12.06.2019, 08:39

Many thanks for all the tips,

My own thoughts had been down the tyre air pump route after a "broddle" with some flexible plastic rod had not worked obviously due to the L bend.

Will hopefully have time at the weekend to resolve

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Re: Drain - petrol filler recess

Postby TD2 » Wed 12.06.2019, 09:33

:D "Blown" and now running free.

Will have to add a regular flush through to the maintenance list.
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Re: Drain - petrol filler recess

Postby nicowalker1 » Thu 13.06.2019, 18:30

I use the earth core from 1.5mm twin and earth. Clears easily and confirms its clear by being visible under the car once its all the way through.
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Re: Drain - petrol filler recess

Postby david924s » Wed 26.06.2019, 09:02

Put fuel in mine last weekend and noticed the fuel cap recess full of water, so blocked drain, used a bicycle pump with a football inflation needle connected could just about hear air coming from underneath, few good pumps later and drain clear, checked it was draining under the car rather than inside the hood compartment. Did try with a fine wire to clear it but this only went as far as the first bend in the drain line so using the pump seemed the best solution although didn't want to use an airline in case I blew the connectors off.
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