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Old 12-07-2006, 05:40 AM   #1 (permalink)
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fuel filter?

Am going to replace the fuel filter on my carina 4AFE , the one on the bulkhead.

According to the Haynes manual you need to depressurise the system before changing it.

Is this really necessary? Will the pressure blow my head off if I dont?

The fuel pump is electric.......will removing the fuse and cranking engine till excess fuel is gone be an acceptable way?

Thanx in advance?
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Old 12-07-2006, 11:47 AM   #2 (permalink)
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Quote:
Originally Posted by jeff1962
Am going to replace the fuel filter on my carina 4AFE , the one on the bulkhead.

According to the Haynes manual you need to depressurise the system before changing it.

Is this really necessary? Will the pressure blow my head off if I dont?

The fuel pump is electric.......will removing the fuse and cranking engine till excess fuel is gone be an acceptable way?

Thanx in advance?
remove the gas cap, turn car on, remove fuel pump fuse, let car run till it dies.

It's not going to blow your head off, its going to blow gas everywhere
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Old 12-07-2006, 12:20 PM   #3 (permalink)
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Cheers for that Ghost, I might actually leave it as the top banjo connection wont budge.

Might break a fuel line if continue...........wtf are these connections tight!!!!
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Old 12-07-2006, 02:32 PM   #4 (permalink)
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Quote:
Originally Posted by jeff1962
Cheers for that Ghost, I might actually leave it as the top banjo connection wont budge.

Might break a fuel line if continue...........wtf are these connections tight!!!!
spray WD-40 on it and let it sit a day or two, will come off then with ease
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Old 12-07-2006, 07:40 PM   #5 (permalink)
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I recently changed this. Rather than rip the center console apart to get to the pump fuse, I removed the gas cap and let the car sit for a while, then SLOWLY loosened the banjo and removed the line–no gas leaks at all.

I would also recommend soaking the lower connection with WD40 and letting it sit overnight, and be sure to use a line wrench. I didn’t do this, and it made the job very difficult. If it is really stuck, you might try to access the lower connection by removing the driver’s side front tire and attacking it from below the car.

Good luck, I hope your lower connection was not stuck as bad as mine was.
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Old 12-07-2006, 07:42 PM   #6 (permalink)
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Now I see that your top connection is stuck--man, not a good sign, my bottom connection was much much worse than the top...
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Old 12-07-2006, 11:26 PM   #7 (permalink)
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that filter can be a real beast to get done, i ended up splicing my new filter in with rubber line on the inlet side, i had to cut the steel line because i could not free it on the car. the top line however...oh man.

make sure the filter is bolted to that frame (shared with the evap can) and give it a light zap with an impact gun on its lowest setting.
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Old 12-08-2006, 08:02 AM   #8 (permalink)
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Quote:
Originally Posted by Bitter
that filter can be a real beast to get done, i ended up splicing my new filter in with rubber line on the inlet side, i had to cut the steel line because i could not free it on the car. the top line however...oh man.

make sure the filter is bolted to that frame (shared with the evap can) and give it a light zap with an impact gun on its lowest setting.

I did the hard bit i thought and got both ends of......what a b*****d of a job.....

fitted the new filter on good and tight.......then noticed that with all moving the metal line had split about 5 inches fron the filter inlet..........................

What sort of a repair can I do.............high pressure hose?

God I love Mr. Toyota...............
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Old 12-08-2006, 11:28 AM   #9 (permalink)
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the lower line broke?

alright, if its UNDER the car you HAVE TO splice in a new peice of hardline. and if you've never used a flaring kit then you'll either need to rent one and learn how or let a shop do this.
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Old 12-08-2006, 02:25 PM   #10 (permalink)
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Quote:
Originally Posted by Bitter
the lower line broke?

alright, if its UNDER the car you HAVE TO splice in a new peice of hardline. and if you've never used a flaring kit then you'll either need to rent one and learn how or let a shop do this.

Cheers Bitter...........on closer examination I have lost about 3 inches from the return line, its all visible thankfully, ie didnt split under the car.

I have a cheap-n- nasty flaring tool which i used to flare brake lines.

I tried a rubber hose and jubilee clips on both ends , but gas sprayed everywhere........too much pressure i think.................

Darkness defeated me on this one ........
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Old 12-08-2006, 04:16 PM   #11 (permalink)
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ok, cut the line about an inch from the break and cut and flare an inch of line for the fuel filter, then BUBBLE FLARE the both lines the use the high psi fuel line to connect them. use worm clamps or another screw type clamp, the clamps you're talking about i wouldnt trust under there.

if i've misunderstood, then just cut and double flare on clean unbroken line and bridge it with high psi rubber fuel line or use couplers and steel line with double flares.

i used rubber for ease of changing and because the section i bridged was too small to use a steel line, i'd have had to cut out more line to use a hardline.
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Old 12-08-2006, 06:48 PM   #12 (permalink)
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I attempted the fuel filter also with no success. I was to lazy so i just retured it and got my money back. But I will do it when the weather gets better. Also you better believe I will be useing alot of PB-Blaster.
But yeah those bolts are tight.
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Old 12-10-2006, 10:29 AM   #13 (permalink)
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Just to add to above....tho it's a pig of a job, it was worth it judging by the amount of black crap that came out of the old filter...........122,000 miles worth.

Rain has stopped play here..........will try again tomm.
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Old 12-12-2006, 02:39 PM   #14 (permalink)
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Quote:
Originally Posted by jeff1962
Just to add to above....tho it's a pig of a job, it was worth it judging by the amount of black crap that came out of the old filter...........122,000 miles worth.

Rain has stopped play here..........will try again tomm.

Well fitted my new filter today at last.

Took car for a run and weeeeeeeeeeeeeeeeee...........transformation, there was always a slight lag when accelerating........that has gone, throttle response is smooth as butter.

Am very happy I changed it , I would suggest anyone with original filter on there 4afe engine to get it changed , you will be pleasantly surprised.
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