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mg_tf
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Discussion Starter #1
The fuel pump has gone on my MG TF, and having read somewhere that a universal pump can be modified to fit, and trying to save some money, I bought one off ebay

https://www.ebay.co.uk/itm/UNIVERSAL-HIGH-POWER-12V-FUEL-PUMP-SPADE-CONNECTORS-15mm-IN-8mm-OUT-PETROL-DIES/151571969709?hash=item234a64b6ad:g:CnwAAOSw1vlUy3PB
The listing does state it fits an MG TF, but now, having seen others on ebay being external, I'm concerned the one I have bought may not be suitable for "in tank"?
Can anyone confirm or not that this is suitable?
Thanks
 

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The fuel pump has gone on my MG TF, and having read somewhere that a universal pump can be modified to fit, and trying to save some money, I bought one off ebay

https://www.ebay.co.uk/itm/UNIVERSAL-HIGH-POWER-12V-FUEL-PUMP-SPADE-CONNECTORS-15mm-IN-8mm-OUT-PETROL-DIES/151571969709?hash=item234a64b6ad:g:CnwAAOSw1vlUy3PB
The listing does state it fits an MG TF, but now, having seen others on ebay being external, I'm concerned the one I have bought may not be suitable for "in tank"?
Can anyone confirm or not that this is suitable?
Thanks
I would not have thought this unit would be suitable, the original fuel pump also houses the fuel tank level sensor. I think the only way this fuel pump could fit your car was if the pump was lashed on to the original pump unit somehow, which is a bad idea as the pump connection terminals would then be inside the petrol tank, potentially creating a big petrol bomb!

Sundance
 

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I would not have thought this unit would be suitable, the original fuel pump also houses the fuel tank level sensor. I think the only way this fuel pump could fit your car was if the pump was lashed on to the original pump unit somehow, which is a bad idea as the pump connection terminals would then be inside the petrol tank, potentially creating a big petrol bomb!

Sundance
From memory, when I replaced the fuel pump, the terminals are inside the petrol tank anyway. It will not combust as there is not enough O2 inside the petrol tank. Plus the pump is submerged in the fuel as the pump cannot pump vapour.
 

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mg_tf
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Discussion Starter #6
Thanks for your replies
The TF I have bought has been stood for a few years, no MOT, not running, so I dont want to spend too much atm until I know it runs OK etc, hence the cheap fuel pump.
A new one is £290 at Rimmer Bros (complete assembly)! The pump alone is £90.
I'm sure I can modify it to fit as I have seen on the internet, my main concern was whether or not the pump I have bought is designed to be submersed ie. in tank. And if not and I do put it in the tank, will it go bang!
 

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mgf
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I recently replaced the fuel pump (just the pump, not the whole assembly) in my wife's very early N-reg F and I bought the replacement pump from MGOC Spares. For me being overseas, MGOC Spares had the best price.
 

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mg_tf
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There is information out there about how to fit these 'universal pumps'.
https://www.instructables.com/id/How-to-Hack-modify-any-In-tank-electric-fuel-pump-/

You are cutting into the fuel lines to add the pump, and need to be confident about the electrics. One immediate problem facing you is where to put the pump. Most cars have fuel tank at the back, engine at front, and room underfloor to house the pump. On your TF you would have to find space in a busy engine bay to accept your new pump.
It might make an interesting project, but I'd be tempted just to go with a proper TF pump

https://www.ebay.co.uk/p/MG-TF-135-Fuel-Pump-Sender-Unit-WFX-101320-2003-1800cc/1020905935

easier life fitting it than making one up.

https://forums.mg-rover.org/mgf-mgtf-12/how-fit-fuel-pump-269391/
 

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Imo why not take the middle ground and buy 'used' from one of our excellent MG specialist recyclers? You can be assured that the part will fit.


In my experience they're enthusiasts with a ready supply of expertise who are also very mindful of their reputation. I've found they're far less likely than some 'internet auctionists' to knowingly provide substandard parts. - If by chance they do, the power of our forum can be really persuasive.
 

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If you fit it, I would not put it in the tank. Chop it into the fuel line if you must. Do you know the pressure it delivers will be adequate?
 

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or have you thought of visiting your local scrapy and see if they have an MGF/TF and take the pump out of one of those? I would guess you'd pick one up for around a tener
 

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mg_tf
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I would simply follow advice and replace the unit with a like for like secondhand one (take the assembly part no. off the top of the tank unit). That is what I did with mine following a long period of storage from which the pump,was reluctant to wake up!
 

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The pump you have bought won't work inside the tank, but you could fit it temporary on the outside to prove whether the car runs, just depends in how much of a bodger you want to be. You could simply get some petrol hose go from a container, to the pump, into the filter & into the engine, temporarily extending the pump wires off the tank. This will prove whether the engine works or not, if you do this make sure you identify the correct hose as there is a flow & a return.

Or I've just bought a 2000 MGF which has lost the fight to tin worm which I am about to scrap, I can pull the fuel pump & send it over PM me if you're interested.
 

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mg_tf
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Or I've just bought a 2000 MGF which has lost the fight to tin worm which I am about to scrap, I can pull the fuel pump & send it over PM me if you're interested.

Well done you.
 

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To the OP - for Gods sake, do the job right or not at all...

What you are proposing to do is a terrible bodge.

Sorry but it is.
 

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mg_tf
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Discussion Starter #17
Thankyou for all your replies....all very helpful
The seller confirmed that the pump was external so I have returned it and ordered a second hand original assembly (the one that Skellum posted...thankyou) from MGFNTFBITS...I shouldve done that in the first place! I tried scrapyards nationwide but none had any!?

Thankyou Phaeton for your kind offer but I had already ordered one.
I was prepared to modify a universal pump if it was in fuel tank but I'm not gonna mess about (bodge?) an external one.
According to MGFNTFBITS the mk2 mgf also fit the mg tfs?
Once again, thankyou for everyones replies...its nice to know there are many enthusiastic and helpful MG lovers out there...I may run into more problems and will be back!
 

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mg_tf
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I would be checking the part no. (WFX....?) embossed into the top of your existing one against the number of the one you are replacing it with. You really don't want to be doing this twice.
 

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mg_tf
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Discussion Starter #19
Update

New (2nd hand) fuel pump in and engine running :smile:

Note to anyone who hasnt installed a fuel pump on a TF before....position the gasket thats attached to the fuel pump assembly onto the top of the fuel tank opening, dont leave it at the top of the assembly.
I spent hours trying to fit it with gasket attached to the assembly and couldnt get it to fit, before realising I had to position it on the mouth of the tank and then push it down, worked straight away!


Thanks again for everyones help
 

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New (2nd hand) fuel pump in and engine running :smile:

Note to anyone who hasnt installed a fuel pump on a TF before....position the gasket thats attached to the fuel pump assembly onto the top of the fuel tank opening, dont leave it at the top of the assembly.
I spent hours trying to fit it with gasket attached to the assembly and couldnt get it to fit, before realising I had to position it on the mouth of the tank and then push it down, worked straight away!


Thanks again for everyones help
Thanks for reporting back. I know what you mean about fuel tank gaskets! Glad you got it running :broon:
 
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