Replacing Regine Fuel Pump in Sending Assembly
#1
03-02-2012, 07:45 PM
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Replacing Regine Fuel Pump in Sending Assembly
Hi and thanks for looking.
I have a 1991 740 2.3 with what I think is a bad fuel pump. The car idles ok but I don't seem to have any fuel pressure. I got a new Regina fuel pump hoping it would fix the problem. The mechanic is telling me I need an entire Fuel Pump and Sending Unit Assembly. Didn't realize how much these cost.
My question is, can I simply replace the fuel pump in the sending unit assembly and fix my fuel pressure problem without replacing the whole fuel pump and sending unit assembly. If not, where to buy a good used one?
I have a 1991 740 2.3 with what I think is a bad fuel pump. The car idles ok but I don't seem to have any fuel pressure. I got a new Regina fuel pump hoping it would fix the problem. The mechanic is telling me I need an entire Fuel Pump and Sending Unit Assembly. Didn't realize how much these cost.
My question is, can I simply replace the fuel pump in the sending unit assembly and fix my fuel pressure problem without replacing the whole fuel pump and sending unit assembly. If not, where to buy a good used one?
#2
03-03-2012, 10:13 AM
Junior Member
I replaced the in tank pump on my 240 last year, I guess yours is similar. The pump (on 240) can be swapped using the original sender unit.
I got my pump from Volvo for £70.
Be careful of the metal fuel pipes on top of the sender, they can be very weak. I busted one of mine pushing the pipe back on
Luckily I got a replacement unit from a scrappy, but had to do the whole job over again
I have pics of the whole procedure saved. Can post if you'd like? Sure the 740 will be the basically the same.
I got my pump from Volvo for £70.
Be careful of the metal fuel pipes on top of the sender, they can be very weak. I busted one of mine pushing the pipe back on
Luckily I got a replacement unit from a scrappy, but had to do the whole job over again
I have pics of the whole procedure saved. Can post if you'd like? Sure the 740 will be the basically the same.
Last edited by Paul240480; 03-03-2012 at 10:15 AM.
#3
03-04-2012, 09:16 AM
Super Moderator
Your mechanic is full of crap! There is no reason whatsoever to replace the functioning fuel sender. Your mechanic falls into one or more of the following categories: 1. No experience in swapping pump only 2. paranoid that he lacks skills to effect said swap w/o more issues arising 3. so completely ham handed that he knows he will destroy the sending unit upon removal.
Your Regina has only the one, high pressure in tank pump. Still, like 99% of ALL intank pumps in ALL cars, installs like any other. The simplicity of fuel pump installation is beyond belief. Furthermore, there is no real reason to replace said pump with an identical, high priced model. Pumps are rated by their output in ltr/hrs and pressure. Since there is a fuel pressure regulator, your car can use ANY similar fuel pump with a pressure/volume rating equal or greater than o.e. I generally just buy generic fuel pumps from eBay for $35-50 with a rated capacity far in excess of what is needed; the excess fuel is simply returned to the gas tank.
Your Regina has only the one, high pressure in tank pump. Still, like 99% of ALL intank pumps in ALL cars, installs like any other. The simplicity of fuel pump installation is beyond belief. Furthermore, there is no real reason to replace said pump with an identical, high priced model. Pumps are rated by their output in ltr/hrs and pressure. Since there is a fuel pressure regulator, your car can use ANY similar fuel pump with a pressure/volume rating equal or greater than o.e. I generally just buy generic fuel pumps from eBay for $35-50 with a rated capacity far in excess of what is needed; the excess fuel is simply returned to the gas tank.
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