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Where is the fuel filter?
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Author:  indy [ Fri Jan 19, 2007 9:54 am ]
Post subject:  Where is the fuel filter?

Hi
I have just got a 73 clubman 1.1 ltr and was wondering if anyone knows where the fuel filter is? Cant seem to see it in the engine bay.javascript:emoticon(':?')
Confused

Author:  sports850 [ Fri Jan 19, 2007 9:59 am ]
Post subject: 

There may not be one fitted , if it's not in the engine bay (fairly easy to see the metal fuel line coming from behind the subframe in the engine bay) , the only other place possible is under the boot . If you look under the rear of the mini you'll see where the rubber fuel hose comes out under the tank and then joins onto the steel fuel line that runs under the car . If it isn't in the rubber fuel line there then it's most likely not on it .

Author:  indy [ Fri Jan 19, 2007 10:11 am ]
Post subject: 

Thanks very much for the reply. I will have a look under the boot :D

Author:  Miss Mini [ Fri Jan 19, 2007 10:25 am ]
Post subject: 

Quiet simple to fit one in the front if you don't have one though, I've got one just before my line goes into my webber :)

Author:  Morris 1100 [ Fri Jan 19, 2007 7:26 pm ]
Post subject: 

The Australian minis were not mede with a fuel filter apart from the gauze strainer in the tank and another one in the fuel pump. The only purpose of a fuel filter is to stop crud from blocking up the carby, according to SU anything that gets past the strainers will pass harmlessly through the carby.
You will not block a fuel filter if you don't have one! :wink:

If you have a Weber you will need one. :wink:

Author:  Gilly [ Sat Jan 20, 2007 1:59 pm ]
Post subject: 

I guess its time to put a filter in now 8)

Author:  drmini in aust [ Sat Jan 20, 2007 4:01 pm ]
Post subject: 

I use an EA Ford one in the suction line to electric pump.
It's bloody big, so very little restriction. Cheap too. :D

Author:  Tinkz [ Sat Jan 20, 2007 4:55 pm ]
Post subject: 

I would recommend putting the filter in the system before the fuel pump, not after. The fuel lately has been shocking in my area, so to prevent pulling your fuel pump apart if it is mechanical, definitely suggest putting it before the pump.

Author:  Morris 1100 [ Sat Jan 20, 2007 7:26 pm ]
Post subject: 

I wouldn't worry about a filter before the pump, most car fuel filters are designed to be under pressure and not under suction. The first sign of any crap and the filter blocks up and you are stuck. If you didn't bother with a filter the crud would have just gone straight through the pump anyway.

BUT
If you are running a Holley or a vane type pump you definitely need a filter before the pump. As soon as the smallest spec of grit gets in it the bypass valve will stick and you lose all pressure. So you have to get a fuel filter that is designed to run under suction. You can often find this sort of filter on the chassis of trucks.

Author:  Tinkz [ Sat Jan 20, 2007 7:32 pm ]
Post subject: 

The standard Z91 fuel filter will work fine for suction or pressure.

Author:  Morris 1100 [ Sat Jan 20, 2007 7:39 pm ]
Post subject: 

Tinkz wrote:
The standard Z91 fuel filter will work fine for suction or pressure.
Ryco used to say otherwise but these days they will probably say you can. They are not the company that they once were. :lol:

Author:  Tinkz [ Sat Jan 20, 2007 7:56 pm ]
Post subject: 

What company is these days. Repco love saying how good their brake pads are but once they get heat into them where are ya brakes?????
I use the Z91 mainly because it is used solely as a universal filter designed for suction or pressure of diaphragm fuel pumps or pressures of up to 10 psi. I use metal bodied filters for anything using electronic fuel pumps. Now I must admit on most EFI cars I work on such as Holden or Ford the filter is after the fuel pump however the pumps are mounted internally to the tank and have a strainer on them. This unfortunately doesn't last long if cheap nasty fuel is used.
Definitely an issue if grit gets into the pumps as it will jam them up and load the circuit quite heavily. Ideally if you use an electronic pump if it draws more than 5 to 6 amps its either a really clogged filter, or the pump is on its way out.
I am not sure if this applies to electronic SU pumps.

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