Fuel Pressure Relief Valve Removal questions - Chevy and GMC Duramax Diesel Forum
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Old 03-10-2012, 01:27 PM   eBay Motors  #1 (permalink)
 
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Fuel Pressure Relief Valve Removal questions

I recently bought a shim kit for my fuel pressure relief valve. Truck is an 04 lly. The instructions from PPE show a way different glow plug controller than what I have and I can't seem to find any other directions showing how to remove the bracket to actually get to the valve. Anyone else have this issue? How do you get a wrench to the 2 bolts under the bracket?
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Old 03-10-2012, 01:39 PM   eBay Motors  #2 (permalink)
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I used a stubby 12 mm ratcheting wrench to get to mine.
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Old 03-10-2012, 02:10 PM   eBay Motors  #3 (permalink)
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just tried to do mine yesterday had to cut a 12mm wrench in half thats all i had butt cant get the valve out
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Old 03-10-2012, 08:18 PM   eBay Motors  #4 (permalink)
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A stubby wrench will get the GP bracket off, but those 2 bolts are a major PITA to get to.
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Old 03-10-2012, 10:21 PM   eBay Motors  #5 (permalink)
 
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Truck is all back together. Doing the actual shim part is a breeze compared to the fight of getting those two bolts out. Ended up using an offset short wrench. Thanks for all the feedback!
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Old 02-14-2013, 09:51 AM   eBay Motors  #6 (permalink)
 
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Do you have to bleed off the fuel system before removing the valve or will it bleed off as you loosen the valve?
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Old 02-14-2013, 09:55 AM   eBay Motors  #7 (permalink)
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Quote:
Originally Posted by Cseaton View Post
Do you have to bleed off the fuel system before removing the valve or will it bleed off as you loosen the valve?

As long as it has been sitting an hour or two, there shouldn't be any pressure behind it at all.
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