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Oct 25, 2018 · Nov 5, 2018. Staff. #14. No pressure in the 1/2" supply line, it actually runs under vacuum. The 3/8" return line shouldn't run under much pressure unless your injectors are bad, then it can see some pressure. Make sure the fuel line you use is diesel rated and good for running under vacuum. DURAMAX REAR FUEL RETURN HARD LINEGM 97215995 Apologies for the video quality in advance This repair applies to LB7 generation duramax engines, and I would a...DHD 700-97228929 LB7 Fuel Return Line Bolt Set (For Rail-to-Injector) 2001-2004 (0) Reviews: Write first review. Description: Includes 8 Return Line Bolts Condition: New. Price: $29.95. Qty: Add to Cart See Details DHD MM32-126 Brass 3/8" Fuel Return Tee (0) Reviews: Write first review ...Roadblock #1: Allison Transmission. Though there are a few subtle differences between the Allison 1000 found behind the LLY vs. the version employed with the LB7, for all intents and purposes they are the same five-speed automatic. And this means the Allison is still only capable of handling 90hp more than stock reliably and …

This banjo seal is used between the return line and injector connection on LB7 equipped trucks 2001-2004.5. Welcome Guest Log In. Toggle navigation 989-479-0444 Mon-Fri 9am ... GM 97228933 LB7 Fuel Return Line Banjo Seal (0) Reviews: Write first review. SKU: 97228933 - PEG B. Pricing: $5.26. Qty:can you add the fuel return line top corner bolt 15 nm or 136 lb-in that ties the 4 bolts to the injectors. 94" Toyota pickup (yota) ... 2001 LB7 Duramax crew cab long bed 4X4 245,000 Mile Truck 91,000 Mile Engine ATS on Level 2, PPE Boost valve, airbags and air horns, High Idle Mod, ...Jan 18, 2015. #14. Only thing you can really do if you don't want to do a return rate test, is look with the scanner at command mm3 rate. you'll probably see one that has a higher value then the rest. then from there you can pull the injector line off and cap the rail. Thats it.Prob with 2000 C3500 5.7L fuel pumps. I don't know if this will come thru or not. You may need to get a shop manual to get all of the diagrams to troubleshoot the circuits. The diagram I found shows two tanks, and each one has a relay for the pump. The relays and gauge are controlled by the PCM and both pumps are grounded together.LB7 2001-2004 CHEVY/GMC DURAMAX (30% OVER OPTION) 6.6L DIESEL HIGH PERFORMANCE INJECTOR SET (STAGE 1) $1,799.00. + Free Shipping. LB7 2001-2004 CHEVY/GMC DURAMAX 6.6L OEM BOSCH REMANUFACTURED INJECTOR SET. $2,160.00.

Fuel rail mounting bolt Upper valve cover bolt Lower valve cover bolt Injector harness bracket bolt Fuel return line High pressure fuel line nut (both ends) Electrical terminal/stud (solenoid) Injector hold-down bolt 37 ft. lbs 18 in. lbs 30 ft. lbs 12 ft. lbs 80 in. lbs 89 in. lbs in sequence x2 71 in. lbs in sequence 18 ft. lbs LB7 Torque SpecsIf you do that would be best. They are 1/2 inch by the fuel filter & 3/8 in the valley. Use fuel vapor hose or equal. NOT fuel injection hose. That's for gas. cc/sb lb7, lowered, cut & delipped, lbz rods, keyed, balanced, ati, so cal flex, studded, +40 nozzles, going 360/480 from SDP. Reply. ….

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If your high pressure lines are all tight, then you'd need to take it back to the shop that replaced the injector, because that is the most likely area of the leak to occur and that means pulling the valve covers again to check the return lines. TAG Wincher front bumper. Dealer replaced injectors at 55k.thejoker671 Discussion starter · #5 · Mar 30, 2014. As far as I can see the fuel lines have to be replaced as a unit from the tank to the engine. The parts I need to replace are #5 and #19 on this dealer website. Iwould've posted a picture but I can't figure out how on this forum. Thanks John.1,299. 113. Norcal. Jan 18, 2022. #6. the fuel system runs in a vacuum unless the previous owner added a lift pump. if so then it's very possible for the fuel filter, filter head or rubber lines to leak. most of the fuel lines that are prone to leaking are on the passenger side. J. JudeH.

After engine runs for about 2 minutes it will start dripping diesel fuel. 65 diesel fuel line diagram 65l fuel system diagram pmdfsd thedieselpage hello all. Gm 65 diesel 65 turbo fuel system diagrams and adviceneeded. The injection pump also returns fuel to the return linetank. 65 turbo diesel fuel system diagram feb 18 2015.PCV Componenets. 2002-2004 LB7 Chevy/GMC Federal Emissions. ***** Check the diagram for the part number and call out number *****. Replace your worn out PCV hose assembly. Its common for the rubber to dry out and crack and cause leaks. * Not sure what options your vehicle has?

undead people tileset A wiring diagram will show you where the wires need to be linked, so you do not have to presume. You do not have to think, a wiring diagram will certainly reveal you exactly how to attach the cables. See the Lb7 Duramax Wiring Harness Diagram images below. Lb7 Duramax Wiring Harness Diagram, Lb7 Wiring Harness Diagram. cliff illigpetland fort walton beach It is located on the passenger side of the function block right in the end, its a 19mm fuel eye bolt. It looks like it connects a line that runs from the rear of the left head to the front of the right head. Chevy Mechanic: John. Tighten the fuel return line banjo bolt to 15 N·m (11 lb ft). Ask Your Own Chevy Question. frisco 10 day weather forecast Replacing LB7 Duramax Fuel Filter Head Assembly on an 02 GMC Sierra. This vehicle was in Limp Mode with Low Fuel Pressure fault. The Supply & Return lines we...How to install fuel lines for a 2001-2004 GMC Sierra 2500HD/3500 Ext. Cab 6.6LAlso applicable for the following Years/Makes/Models:2001-2004 Chevrolet Silver... heritage funeral home fort oglethorpe obituariesshelby county powerschoolmidland texas crime stoppers Hello -- I've read a lot of threads on here re fuel line collapse and weak CP3's, I apologize in-advance for starting another one. 2004 LB7, new... in this thread in this sub-forum in the entire site. ... Duramax First Generation: 2001-2004 (LB7) Fuel line collapse vs CP3. LB7: 25007 Views 31 Replies 12 Participants Last post by the guy ... ordering checks online chase LB7 2001-2004 CHEVY/GMC DURAMAX (30% OVER OPTION) 6.6L DIESEL HIGH PERFORMANCE INJECTOR SET (STAGE 1) $1,799.00. + Free Shipping. LB7 2001-2004 CHEVY/GMC DURAMAX 6.6L OEM BOSCH REMANUFACTURED INJECTOR SET. $2,160.00.Shop LinesToGo for 2004 Silverado Chevrolet truck fuel lines - C/K Series 2500HD/3500 Crew Cab 6.5 ft & 8 ft box 2WD & 4WD 6.6L w/engine code LB7 (8th VIN Digit is a 1) Duramax Diesel Stainless Steel Mid year engine change in 2004, check 8th digit of VIN is number 1. Fuel Cooler Line included you're as beautiful as the day i lost you memee613 pillkenton weather radar Replace these two feed & return hoses when replacing your CP3 injection pump, fuel pressure regulator or on their own. These lines can start to break down & leak over time, we recommend replacement with any of the above repairs or as maintenance if you have access. Includes: 1 - Front feed line Part# 97216066. 1 - Fuel return line Part# 97216067.The RHG6 model turbocharger aboard the LB7 marked the only time a fixed geometry unit was used on a Duramax. Manufactured by IHI Turbo America, the RHG6 sported a 60.6mm (inducer) compressor wheel and a 68mm (exducer) turbine wheel, along with a wastegate. In factory form, the IHI charger sees a maximum peak boost of 22 to …