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How to swap out a fuel filter; Get rid of the can at the rear
Topic Started: Mar 1 2013, 11:19 PM (2,541 Views)
rjsdotorg
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My 94 was lacking top end power, running lean and pinging.
A static fuel pressure test was OK, ~22psi. Flow appeared OK (tested by jumpering the relay and measuring 30 seconds of volume; about a pint+).

Buy a glass steel can 5/16" nipple filter for $11, and a foot of of 5/16" fuel injection hose.
Jack up rear end. Use stand(s).
Have a drain pan ready.
Wear gloves.
Open gas cap and vent for a second, then replace.
Remove the 2 10mm e-brake screws and pull away.
Remove 10mm screws from filter bracket to frame.
It now looks like this:
Posted Image

Pull the whole thing down and use pliers to move the hose clips rings away from the ends:
Posted Image
Those clips are a royal pain to get to.

Clamp off both hoses in/out with vise-grips etc.

Remove the line from the filter to the engine.
Remove those clips and the hose guard and save them.
Cut a 10" piece of 5/16" hose.
Put the protector tube and rings on the 10" hose.
Posted Image

Wiggle the filter off of the tank line. Don't spatter gas in eyes...
Open the new filter pack and blow through. Put the hose piece on the old filter and blow through. Mine was an effort, maybe 25% flow compared to the smaller new one.

Slide the hose on the engine side tube.
Wiggle the hose off the tank tube and quickly put a finger over the end. It will siphon the tank out otherwise.
Slide the 10" tube over the tank side, then put the clip rings back near the ends.
Slide the protection sleeve back to prevent chafing.
Reattach the e-brake screws; the rear one (bottom left in pic) also seems to hold the line bracket in place...

It now looks like this:
Posted Image

Drain the crap out of the old filter and recycle.
Let down the rear end. Do not drop onto measuring tape.

Open the hood.
Clamp and snip the line near the EGR and remove some hose if necessary.
Put the other 2 clamps on the hose parts and put the filter in .

Turn key, let filter fill, then start.
Check for leaks.
Test drive, and enjoy (new/re) found top end power.

EDIT: at this time, no fuel injection rated clear filters are available, anywhere.
Edited by rjsdotorg, Jun 3 2013, 10:21 PM.
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Scoobs
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Decal Vendor

Got any part #'s?
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rjsdotorg
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Scoobs
Mar 1 2013, 11:24 PM
Got any part #'s?
Mr Gasket Clearview Fuel Filter #9747, from O'Reilly's
or
http://www.jegs.com/i/Mr-Gasket/720/9747/10002/-1?parentProductId=745085

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Stiffchezze
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Sir Metrologist

FYI
That filter is only rated to 10 PSI according to the manufacturer. :oshit
In fact they say
Quote:
 
NOT FOR USE WITH FUEL INJECTED SYSTEMS
OR FUEL SYSTEMS EXCEEDING 10 PSI FUEL PRESSURE.

Link--->Installation Instructions
Metro fuel pressure ranges from 13 to 31 PSI. Higher if there is a clog in the return line. :O
This is higher than 10 PSI. The glass filter is only sealed with pressure on two o-rings on the ends.

If you want to relocate you filter, cool. B-)
But why not just use the OEM filer and find a better place under the hood to mount it? :hmm
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rjsdotorg
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Stiffchezze
Mar 1 2013, 11:58 PM
FYI
That filter is only rated to 10 PSI according to the manufacturer. :oshit
In fact they say
Quote:
 
NOT FOR USE WITH FUEL INJECTED SYSTEMS
OR FUEL SYSTEMS EXCEEDING 10 PSI FUEL PRESSURE.
ds.

If you want to relocate you filter, cool. B-)
But why not just use the OEM filer and find a better place under the hood to mount it? :hmm
Bastards! Wench at O'Reilly claimed it was for FI. Even overcharged, apparently.
Now it goes back, with complaint.

I like clear filters to see it's condition and how the gas looks.

Thanks for pointing that out
http://mr-gasket.com/media/instructions/mrgasket/Mr_Gasket_instructions_clearview_fuel_filter_9706_9747_9748.pdf

Looks like #9745 is appropriate
http://mr-gasket.com/air-and-fuel-systems/fuel-filters/chrome-canister-fuel-filter-5-16.html

Edited by rjsdotorg, Mar 2 2013, 12:10 AM.
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Scoobs
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Im using a Wix, somthing filter, 5/16s inlet and outlet, metal filter.
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Stiffchezze
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Sir Metrologist

I like them too, if nothing more than just the cool factor! :rocker
I use them on my boats, but then they only see about 1/2 -1 PSI max at a time.
Didn't mean to rain on your parade, just didn't want to see you :bananaburn
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Vkhelldog
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Beauty thanks plan to do this this weekend!
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rjsdotorg
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Yeah, I just put a plastic one on the Jeep, ~4psi?

Here's more
https://www.rockauto.com/catalog/x,carcode,1141805,parttype,6200
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JellyBeanDriver
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Read something over in the Chevy trucks forum about how those glass filters break, then leak fuel all over the place and catch fire.

Go for a metal filter - it'll be a REAL filter. The brushes on the fuel pump and the commutator wear and those particles get pumped along with fuel towards the injector. Only the filter keeps those contaminants out. That glass filter does not have good fine filtering capability nor much surface area.
Edited by JellyBeanDriver, Mar 2 2013, 12:44 AM.
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Vkhelldog
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I actually got an oem metal filter just going to move it to the hood compartment rather than the crap spot they had it.
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3cyltom
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yes be wary of the glass filter in the picture. i did both of my metros with that filter and they both ended up leaking gas over time. the green car actually started pissing gas out of the end. i just got a 5/16 steel filter off the shelf at advance. or i guess the factory filter relocated under the hood would work as well, maybe zip tied to something? never thought of that.
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98chevymetro
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Here's what I would do. Go to a junkyard and find a subaru legacy or outback or impreza. Unbolt the fuel filter holder and go to autozone and get a subaru fuel filter and install them in your metro engine compartment. Grab the fuel hose clamps while you're at the junkyard and maybe a nice chevy suburban engine bay light.
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rjsdotorg
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And the metal ones are half the price.
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JellyBeanDriver
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rjsdotorg
Mar 2 2013, 01:53 AM
And the metal ones are half the price.
Or less. Even Walmart has some inexpensive, all metal ones (Fram brand)
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