Injector leak - Chevy and GMC Duramax Diesel Forum
04.5-05 LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 10-13-2009, 07:37 PM   eBay Motors  #1 (permalink)
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Unhappy Injector leak

On my 2005 Chevy LLY it appears I have a leak coming from injector #5 (third one back on driver side.) Has anyone else run into this issues? Anyone know if there is a recall or where I can find a rebuild better then $450?

I tried loosening it and tightening it back up doesn't appear to help the situation... Also it only leaks when driving it won't leak at idle also no indication of check engine light has come up and the truck seems to be running the same as before the leak.

Any feedback would be awesome! Thanks

Last edited by prbishop12; 10-13-2009 at 08:35 PM. Reason: Included truck description
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Old 10-14-2009, 10:32 PM   eBay Motors  #2 (permalink)
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ther is a little copper o ring that is the injector seat it sits on your lower valve pan cover may have washed out i hope your vavle pan didnt wash out the tq specs on the injector bolt is 30 ft/lbs take an air gun and blow out arond the injector to get any dirt out around it and break the line loose at the fuel rail and the injector so you can get it out of the way and easily use a screwdriver and pry up on the crows foot that holds the injector in and wiggle the injector while you pull up on it look and see if the copper seat is washed out theyre very cheap if so and also check the valve pan where the injector goes. if its leaking out of the top little black hose thats your return line its got a little o ring it may be bad if that where its leaking.
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05' Chevy LT LLY CC/SB Blackout Performance built motor/trans/tuned- Gone

"The Blessed Hellride"-08' GMC Sierra SLT CC/SB, 12,000 miles!
Engine-EFI Live, blocked, re routed, air box mod, 3" downpipe, raptor 100 lift pump, amsoil
Trans- Transgo jr. and deep pan
Exhaust- 4" MBRP straight pipe, 5" RBP tip
Suspension- leveled, PAC Brake air bags
Other- Fab fours winch bumper, large fender mod, 17x9 Fuel kranks, 35" Cooper STT's, limo tint, 100 gal. Fuel tank, tool box.
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Old 10-15-2009, 10:44 AM   eBay Motors  #3 (permalink)
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Thanks for the reply, I will check into this tonight and let you know what I find!
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Ryan
2005 Chevy Duramax 6.6 LLY 4X4
Quadzilla Stealth 2
4" exhaust/ AFE Mouth Piece
6" lift
MKW M26 18 " rims
35x12.5 Nitto Terra Graplers Tires
Electric Tow Mirrors
http://www.discounttiredirect.com

:gungun1
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Old 10-15-2009, 10:56 AM   eBay Motors  #4 (permalink)
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im leaving town tonight but hope that helped you out
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05' Chevy LT LLY CC/SB Blackout Performance built motor/trans/tuned- Gone

"The Blessed Hellride"-08' GMC Sierra SLT CC/SB, 12,000 miles!
Engine-EFI Live, blocked, re routed, air box mod, 3" downpipe, raptor 100 lift pump, amsoil
Trans- Transgo jr. and deep pan
Exhaust- 4" MBRP straight pipe, 5" RBP tip
Suspension- leveled, PAC Brake air bags
Other- Fab fours winch bumper, large fender mod, 17x9 Fuel kranks, 35" Cooper STT's, limo tint, 100 gal. Fuel tank, tool box.
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Old 10-20-2009, 11:37 AM   eBay Motors  #5 (permalink)
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okay, removed the Injector everything looks like its in good shape cleaned the surrounding area, reseeded the injector until I could buy a new one and the leak is gone... Must have just needed to be taken out and put back in to get that tight fit again?
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Ryan
2005 Chevy Duramax 6.6 LLY 4X4
Quadzilla Stealth 2
4" exhaust/ AFE Mouth Piece
6" lift
MKW M26 18 " rims
35x12.5 Nitto Terra Graplers Tires
Electric Tow Mirrors
http://www.discounttiredirect.com

:gungun1
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