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Please help with removing fuel pressure regulator!
Posted 23 April 2005 - 02:03 PM
Darn, the pressure regulator is attached to the fuel rail by 2 phillips screw. Very tight screws and akward angle and every screwdriver I tried slips.
I took the intake and air filter hausing off to get more access and no progress.
I am soaking the screws in oil now.
Is there a trick mechanics use with stubborn phillips screws?
Posted 23 April 2005 - 03:50 PM
Penetrating oil in conjunction with vertical blows to the philips head (interspersed with some soak-time to allow penetration) is a proven method for freeing stuck philips fasteners.
When you go to remove it, use a hardened philips bit in a 1/4" socket, turned with a ratchet. This'll give you the leverage you'll need and also allows you to experiment with different "philips" bits (e.g. #0, #1, #2, #3, clutch, etc.) to get the best fit. Once the bit it slips and cuts the square edges off the fastener, you've scrood the pooch. You really only get once chance to get a stuck philips out, so take your time, think your strategy through, flex you're muscles, and go in swinging.
Unfortunately torch-heat isn't an option for a fuel regulator.
Posted 23 April 2005 - 04:35 PM
I used CRC penetrating oil.
Well, the screws are rounded now. This is exactly why I hate phillips screws.
I will try cutting and drilling them now. Agggrrrrr....
Posted 23 April 2005 - 05:46 PM
We drive fantasically sophisticated, refined internal combustion machinery--the zenith of over a hundred years of engineering genius and refinement.
They're controlled by super sensitive space age sensors feeding minute bits of information to computers for maximum efficiency and environmental friendliness.
And how are they put together? With the cheapest pot metal screws a manufacturer can buy.
Arrrrgh! Drives me NUTZ!
Posted 23 April 2005 - 07:23 PM
Posted 23 April 2005 - 09:55 PM
Before you try and drill them out , Try using Visegrips on the out side edge of the screws . You have nothing to loose if you damage them ,If the threads are stuck and you try and drill them out you still have to get he threaded bits out , always a dicey job
Sears has screw extractors which might work if you can somehow fit a drill in the area. I've heard that they work very well to remove stripped screws. I would only ddo the drilling out method as the last resort. I've had to do that before and lets jus say that I didn't enjoy it much.
Posted 23 April 2005 - 11:54 PM
I exctracted one with metal saw and drill.
I purchased a Dremel cutter to get the other one tomorrow. I shouln't complain, since I'm spending quality time and bonding with my subaru; wait, I was supposed to windsurf this weekend!
Posted 24 April 2005 - 09:14 AM
I think you can get such a tool in most tool stores.
Posted 24 April 2005 - 10:48 AM
Posted 24 April 2005 - 11:28 AM
Posted 24 April 2005 - 02:16 PM
Well, I put a new OEM FPR and the pressure is 40 psi with vacuum connected, 50 psi with vacuum disconnected. It should be 30-34/41-46 psi according to a manual. It used to be 42/52 psi with the old one i thought it was defective. WTF? I followed a factory manual for testing the pressure.
I don't think my gauge is defective. I just tested my Corolla and the pressure was in the range specified in Toyota (44-50 psi).
Does anyone have any experience with fuel pressure in 2000+ 2.5L H4 subarus?
Are the stock FPR defective or the factory specs incorrect?
Posted 24 April 2005 - 05:28 PM
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