supna Posted March 27, 2003 Share Posted March 27, 2003 Any nasty suprises when I do this. Do I need to depressure the fuel system so it does'nt act like a slit artery. Obvious thing I thought of 1) Do with bugger all petrol left in the tank. Its a NA by the way. What is all the talk about the fuel pump 12V fix and where is it. Ta David Quote Link to comment Share on other sites More sharing options...
supna Posted March 28, 2003 Author Share Posted March 28, 2003 I ran a search duh and found an old thread on replacing the fuel filter!!! I have seen a mod on the US Supra site with the fuel pump mod turning it from a dual mode low/high to just a high constant. Is there anyone that has done this and is there any benefit on a NA? Cheers David Quote Link to comment Share on other sites More sharing options...
Guest Martin F Posted March 28, 2003 Share Posted March 28, 2003 I very much doubt the fuel pump on the NA will be dual voltage and even if it is what would you gain from running at 12v all the time on an NA ? Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted March 28, 2003 Share Posted March 28, 2003 Originally posted by supna Any nasty suprises when I do this. Do I need to depressure the fuel system so it does'nt act like a slit artery. Obvious thing I thought of 1) Do with bugger all petrol left in the tank. Its a NA by the way. What is all the talk about the fuel pump 12V fix and where is it. Ta David Looks and sounds a simple job, can have nightmarish consequences... The threads can seize in the filter after a union is part way undone. If there is much fuel in the tank it will syphon out down your arm, all over the floor, lift any tarmac, create a serious fire hazard, blah blah. The threads on the union, assuming you have the tools to get it apart at all if it seizes, will be buggered. You then need to cut the flare of the hard pipe, find a fitting to extend the hard pipe, find a new filter union, flare the new piece of pipe, refit the whole mess. Feeling lucky? Quote Link to comment Share on other sites More sharing options...
Nathan Posted March 29, 2003 Share Posted March 29, 2003 Hi Chris, If the chap has found previous thread/s then hopefully he will have also seen our concerns on the possibility of siezed threads in and out of the fuel filter (usually in). Aside from the nightmares we have encountered with siezed threads (my own car was one of them) I will also add that at the current standings it's 50/50 as to whether you will have problems or not. My advice, as I stated a while back, is to have a new fuel line (from the tank to filter) handy. In fact, we won't take on a fuel filter replacement unless we have a line in stock too. As Chris says, if you have a problem fuel will be pi$$ing all over the place but the bottom line is that if you have an issue you need to deal with it as efficiently and as quickly as possible. Fortunately our whole building is also floored with concrete Fuel lines are nothing; about £25 from memory. If I have scared you (and that will only be if you are not a spannerman) then get the job done by someone else. If you want to go ahead, I have a line in stock put aside for a job but can let you have it if needed. It might be worth mentioning that it's not really a part that can be sent via post/courier etc. Like I said, you could have no problems at all....but....are you a gambler? Cheers, Nathan TDI PLC Quote Link to comment Share on other sites More sharing options...
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