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Performance Modifications for the NG900 / Old 9-3 This forum contains PERFORMANCE related Q&A's for the NG900 and 9-3. This may also include suspension.

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Old 03-22-2008, 10:23 AM   #1
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FPR replacement

I thought I saw a post with step by step instructions on swapping out your FPR. I can't find it. Can anyone point me to it?

The weather is finally breaking so it's time for me to finally put all that stuff I have accumulated in the garage on the Viggen.
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Old 03-22-2008, 11:58 AM   #2
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It should be pretty easy. Just make sure you have no pressure in the system. I think its a snap ring you have to remove. Pull it out. Install new one.
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Old 03-22-2008, 12:18 PM   #3
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Pull the fuel pump fuse and let it run until it stalls. Correct?
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Old 03-22-2008, 03:56 PM   #4
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yes. and then when you get the fpr off it will still gush a little gas, so have a rag ready.

you will have to remove the delivery pipe to throttle body, and move it aside. there is a torx screw that holds a ring which holds the fpr on there. it's very hard to reach. the right size allen wrench also worked in a pinch one time.

It's way harder on a 2.3 than a 2.0
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Old 03-22-2008, 04:23 PM   #5
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I did it with out removing the delivery pipe on my viggen, but its a bitch!
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Old 03-22-2008, 05:01 PM   #6
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Thanks for the hints!
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Old 03-22-2008, 05:23 PM   #7
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What they said, as an fyi what you're un-screwing is just a band clamp. The 'o' rings do the sealing, so you can just take that clamp off, then twist and pull on the FPR, working it up & out until gas starts pouring everywhere. Pretty easy, I did one alonside the road once.

I just talked to a lady whose husband didn't depreassurize his fuel system before working on the filter. He didn't burn, but did go to the hospital for gas in his eyes, face, chest...
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Old 03-22-2008, 08:03 PM   #8
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Old 03-22-2008, 11:19 PM   #9
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Quote:
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Pull the fuel pump fuse and let it run until it stalls. Correct?
Really? is this seriously the best way to get rid of fuel pressure? When i put in injectors and an fpr to my c900, i just had rags ready.

Why does that seem pretty freakin bad for the engine, i mean yes you'll be lean, but i guess its not a big deal with no pressure on the engine?
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Old 03-23-2008, 03:57 AM   #10
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also, put some vaseline on the new fpr o rings so it will go in the hole. yeah, i said to lube it and put it in.
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Old 03-23-2008, 07:09 AM   #11
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I never bleed them down. Just wrap it with a shop rag and twist/pull it out. Wear safety glasses.. But you wear those anytime you work on the car right? A tad of engine oil will make it pop in easier.. Always present too.

Oh and make sure not to drop anything over 20lbs on your foot..
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2.0 GOOSE 500whp + 8500rpm = 11.06 @125 E85
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Old 03-23-2008, 10:30 AM   #12
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I never bleed them down. Just wrap it with a shop rag and twist/pull it out. Wear safety glasses.. But you wear those anytime you work on the car right?
I actually do wear safety glasses. Mostly because I can no longer see up close.

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Oh and make sure not to drop anything over 20lbs on your foot..
Huh??
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Old 03-23-2008, 10:59 AM   #13
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^^^ Nick dropped something on his foot and fractured it(brake rotor IIRC)
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Old 03-23-2008, 11:02 AM   #14
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^^^ Nick dropped something on his foot and fractured it(brake rotor IIRC)
Ah. Now I remember.
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Old 03-23-2008, 07:32 PM   #15
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Stage 4?
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Old 03-23-2008, 08:35 PM   #16
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Stage 4?
No i think stage four would have flattened the foot... its pretty damn heavy.
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