DIY: Fuel Filter Replacement on 93-97 Corolla - Toyota Nation Forum : Toyota Car and Truck Forums


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7th Generation (1993-1997) Specific discussion of the 7th generation

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Old 02-20-2012, 12:36 PM   #1 (permalink)
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DIY: Fuel Filter Replacement on 93-97 Corolla

Remember that you're dealing with fuel.
Resist the urge to smoke, and work in a well vented area!


1. You'll need to remove the left wheel to access the fuel line under the fuel filter. So loosen the lugs, jack her up, and remove the wheel. Don't forget to use jackstands!



2. Disconnect the negative on the battery. You'll need to do this because the fuel is under pressure. Disconnecting the battery lets the pressure die down so you don't get sprayed when you remove the fuel line.



3. Go ahead and leave a pan under your fuel filter so your car doesn't leave a mess in your garage like mine did...



4. Removing the air filter will make the job easier.



5. Now let's get down to business. Remove the top bolt on the fuel filter. There will be two washers when you take it off. Be sure not to lose those as you'll need it for the new filter.



6. Now comes the messy part. Loosen the tiny bolt on the bottom fuel line under the filter. You can turn the steering wheel to the right if you need more room to access it. Use a crow's foot w/ extension to loosen the bolt. Once it's loosened, just unscrew it by hand.





7. Finally, just unbolt the two bolts mounting bolts that's holding the fuel filter. The area is very tight so you'll probably need to move the charcoal canister (not all rollas will have this) for easier access. The charcoal canister just lifts straight up (it's the thing to the left of the fuel filter in the pic).



8. Take your new fuel filter and compare it with your old one to
make sure your new one looks identical.
Installation is pretty much reversal except for one thing: When you install the new filter, the first thing that should be bolted on is the bottom. This will make the rest of the installation easier since the bottom fuel line has to go in at a certain angle for it to be screwed in securely. After you get the bottom on, proceed to screw in the mounting bolts and then the top fuel line. DO NOT FORGET WASHERS! Check every bolt again just to be sure they're nice and tight.



9. Once the battery is connected and everything else is installed, you can then start your car. It might take a tiny bit longer than usual for the car to start since the fuel has to run through the new empty filter.

And you're done! Pretty easy, right?

Last edited by kennydang91; 01-12-2013 at 04:05 AM.
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Old 02-20-2012, 01:11 PM   #2 (permalink)
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very nice, i need to do this sometime

is there absolutely no way to get it off without the crows feet tool? don't think i have one of those yet
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Old 02-20-2012, 02:07 PM   #3 (permalink)
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Unless you can come up with an alternative, using the crow's feet is the only way I can think off to get off that bolt.

And be sure to use plenty of PB Blaster or WD40 so there will be less chance of stripping the bolt.
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Old 02-21-2012, 06:55 AM   #4 (permalink)
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To depressurize the system you can remove the fuel pump fuse and let the engine run until it stops.

I've had the mount bolts break off. When that happens usually the car is too rusty to worry about repairing the problem so the filter got zip tied in place.

It was real easy to change my fuel filter...... with the transmission out! Lots of room then.

-SP
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Old 02-22-2012, 06:15 PM   #5 (permalink)
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it may seem like a silly question, but have you noticed any increase in mpg? i mean i'm assuming if you did, it would only be a couple right?
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Old 02-22-2012, 07:39 PM   #6 (permalink)
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I just filled up my gas tank yesterday, I'll let you know how many miles I get before the gas light goes on. I got 270 miles at best before the fuel filter change.

Old filter had 50,000 miles on it.
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Old 02-22-2012, 07:41 PM   #7 (permalink)
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It should make little to no difference in MPG, if its clogged it can cause hard starts and weak acceleration. If its torn inside it can cause clogged fuel injectors or high fuel pressure if the fuel pressure regulator clogs up.
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Old 02-22-2012, 08:34 PM   #8 (permalink)
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My Corolla has the original fuel filter. I bought a fuel filter 6 years ago When I was given the car. I didn't have a crow's foot tool until recently so I never changed the filter. Your pictures will make my replacement easier. I used to replace the fuel filter religiously every 30,000 miles.
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Old 02-23-2012, 05:06 PM   #9 (permalink)
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ahhh i envy you.. i barely get to make 250.... and i'm 95% highway driving cruising at 55 to 60mph.. i just don't get what's causing my poor mileage.. i'm guessing it's my front O2 sensor because i haven't replaced that yet...
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Old 02-23-2012, 11:02 PM   #10 (permalink)
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removing the charcoal canister helps a lot if you dont have a crows foot. its 2 vacuum hoses and then it slips out of its bracket. takes like a minute max to take out.
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Old 02-23-2012, 11:41 PM   #11 (permalink)
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Nice write up. Reminds me it's about time to do this again.
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Old 02-24-2012, 05:07 AM   #12 (permalink)
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What size Crows foot is that? So i know what to get.
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Old 02-27-2012, 01:20 AM   #13 (permalink)
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Quote:
Originally Posted by itreflop117 View Post
it may seem like a silly question, but have you noticed any increase in mpg? i mean i'm assuming if you did, it would only be a couple right?
I just filled up today. Got 285 when the gas light went on. I'm not completely sure on how much the fuel filter alone helped because I replaced the corroded distributor rotor and cap when I did the fuel filter change. Hope it helps.


Quote:
Originally Posted by aballl18 View Post
What size Crows foot is that? So i know what to get.
I can't remember. I think it was a 9/16...
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Old 02-27-2012, 09:47 PM   #14 (permalink)
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Another recent post links to a youtube, and says the job is done without the special wrench.
http://youtu.be/LaTSoElNlL4?t=1m15s
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Old 02-28-2012, 03:37 PM   #15 (permalink)
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thanks man i appreciate the feedback. I was planning on doing it after i saw your post. I immediately bought the part, but it was IMPOSSIBLE to take the bolts off as they were rusted on completely. but i finally cracked the top one loose.. so if i can get the bottom one loose i'll definitely needs replacing because i'm sure mine is factory and hasn't been replaced. thanks again
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