LB7 Injector torque - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 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, Etc.

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post #1 of 7 (permalink) Old 07-01-2009, 07:17 PM Thread Starter
Join Date: Jun 2009
Location: Tucson, Arizona
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LB7 Injector torque

Hi, and thanks inadvance for any info. I am new to DF and just got an 02 GMC and found I need injectors. Got a remanuf set today and started installing. Does anybody know what the torque is on the hold down bolt.
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post #2 of 7 (permalink) Old 07-01-2009, 07:19 PM
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i know the billet hold downs are 75 ft pounds, im not sure about the stock hold downs, sorry im not much help

built motor, big turbos, built trans, etc all by me, parts from Elite Diesel

1016 hp

7.1 1/8 @ 100

11.27 @ 105
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post #3 of 7 (permalink) Old 07-01-2009, 08:14 PM
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Location: West Michigan
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Just used a 3/8ths ratchet on mine and gave them a good hard pull. It has been over 8k since they went in with no problems

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2003 Chevy 2500hd crew cab 4x4, D/A

Just a few aftermarket goodies
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post #4 of 7 (permalink) Old 12-23-2009, 11:33 AM
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Anyone have the stock torque?

04' CC, S&B CAI, 6" Miters, PPE boost valve, Quad commander, tie rod sleeves, PPE standard
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post #5 of 7 (permalink) Old 12-23-2009, 12:28 PM
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Off the top of my head i beleive its only like 37 ft lbs!

Hot rodding duramax trucks since 2004
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post #6 of 7 (permalink) Old 12-23-2009, 12:39 PM
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Gudentite, just use the German method!! 05_LLY is correct, 37ft-lbs

Name: Matt
ASE Certified, former GM Parts guy
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Play truck - 2002 LB7 2500HD Crew Cab Short Bed

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SOLD2006 LBZ 2500HD Crew Cab Short Bed
Traded:2002 2500HD Crew Cab Long Bed
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post #7 of 7 (permalink) Old 12-23-2009, 01:59 PM
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Alldata DIY for my 04 LB7 is shown here:

"install the injector bracket bolt. Tighten the bolt to 50 N.m (37 lb ft)."

(FOR SALE) 2004 Silverado 2500 HD, LB7, Resonator capped, shiny mod's - billet door handles and buckets, Centerline Blackfoot forged wheels, and a drop in K&N filter. New Headgaskets, Injectors, Cups, Turbo and Nicktane Cat Filter mod. ****(AND IT IS FOR SALE)****
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