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8 & 10 cyl Bristol cars Type 407 onwards - restoration, repair, maintenance etc |
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![]() Hi John,
Unless your car has been altered to an electric fuel pump, many have. The mechanical fuel pump is located on the LH side of the engine block, looking from the front. It is a Carter M2504 S on my 407 Hand book say no maintenance is normally required ( it is mechanical). The pump can be removed from the engine and dismantled and cleaned the following parts will need to be renewed at re-assembly, M.203-89S Diaphragm Assembly M.203-46 Outlet Airdome Diaphragm M.121-124 Flange gasket. The Fuel filter. Moper 2084 258 should be changed every 10,000 miles. Hope this helps, I have converted my 407 to an electric fuel pump located under the offside wing on the wheel arch. The filter is an in line particulate transparent filter located under the bonnet between the new fuel pump and the carburettor. Nick Challacombe |