Duramax lly head bolt torque sequence. Truck is very T...
Duramax lly head bolt torque sequence. Truck is very This document provides torque specifications for various components on 2001-2010 Duramax diesel engines. 263XHD T- case. Zero issues. The last pass is where I'd like some feedback. I went with arp studs of course planning on future modifications. Learn the science of TTY bolts, proper tightening procedures, and find specs for Powerstroke, Duramax, and Hemi engines. However, I'm a bit confused about fueling. NEEDS HEAD GASKETS. I found the torque sequence - install the balancer with an installation tool (and I have a flywheel locking tool), use old bolt and torque to 240 ft-lbs, remove old bolt and install new bolt, torque to 37 ft-lbs, and lastly a 140° pass. auto stick 4 hi on the fly. what are the new torque specs for a 2006 lly 6. 6 new cylinder head preperation, ARP head studs, and new gaskets installation guide. Apply GM P/N 12346004 (Canadian P/N 10953480) to the threads and sealing flange of the side bolts and torque in sequence to 52 FT/LBS (70 Nm). Thinking about purchasing a 23 or 24 GMC Sierra with the 3. Is it safe to run any diesel without adding additives? Feb 10, 2025 · As the title states, looking to get some real-world feedback from 2024 and/or 2025 Duramax owners. LLY Duramax 6. If new side bolts are used, torque those new bolts to 58 FT/LBS (78 Nm). . CAUTION: Follow torque sequence for head bolts. 6L Duramax diesel, head bolts require a specific torque sequence: initial torque to 30 ft-lbs, then 90°, followed by 90° more. NOTE: Use the correct fastener in the correct location. 2500 6. A little backstory. Just search application to search for your desired torque specs! PRELOAD (TORQUE) RECOMMENDATIONS 8. Reading about several issues with this motor, oil leaks, long starts / no starts, DEF issues, etc. Torque to 125ftlbs, loosen one at a time and retorque to 125ftlbs, repeat once again. Use a calibrated torque wrench and follow the tightening pattern to avoid warping. Follow the specific bolt pattern starting from the center moving outward in a spiral. 0 GMC AT4. Failure to do so will cause leaks. It lists over 80 components along with the standard and metric torque specifications to use when installing or repairing those parts. Place each head gasket on block deck and dowels (Figure 2-176). Just search application to search for your desired torque specs! For the 2004 GM 6. I had a 2024 2500LT. That's the wrong torque!! Arp studs torque to 125ftlbs 3 times. 6L Duramax engine bolt torque specs, common problems and repairs. Motor has 150,000miles. This bulletin is being issued to revise the M12 Cylinder Head Bolt Fastener Tightening Specification in the Engine Mechanical sub-section of the Service Manual. 6 according to tech bulletin issued in 2006, cylinder head Chevy 04. The torque sequence will be shown along with the torque s Replacing headgaskets on my lb7 pretty new to the duramax world. 0 Duramax. You did use arp lube on them didn't you? 25 N•m For the 2005 Chevy 6. I'm in SoCal, and all the gas stations near me only have diesel #2 or biodiesel. 25 N•m Following the manufacturers recommended torque sequence tighten the nuts in three equal steps to the following specifications with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT. Carefully position each cylinder head on gasket and on dowels (Figure 2-176). What I don't understand is why they are being backed off tightened back down to 60 90 Ok I've looked and looked do we have a thread about head stud torque specs and procedure? :confused: I've found 95lb and 125lb which one? Also read do it three times does this mean tighten them loosen them three times? I will be doing one at a time. The components include bolts, nuts, and other fasteners for the engine block, cylinder head, fuel system, exhaust, cooling system, and other areas of the engine. Jun 22, 2022 · The DEF tank heater may be faulty on some 2020-2021 Silverado 1500, Silverado 2500HD/3500HD, Sierra 1500, Sierra 2500HD/3500HD; and 2021 Tahoe, Suburban, Yukon and Escalade models equipped with the 6. Unfortunately, with barely 3k miles on the truck, I've had significant two issues that have required return trips to the dealer. If you look in the box they came in there is torque specs on 2 separate pieces of paper. Had a tick back at 70k miles and it was a bent push rod, don’t know if it’s cause was the oil. Complete list of torque specs for your Duramax, from 2001-current. I really like this motor and Aug 29, 2025 · What’s the Best oil for L5P duramax, I currently run Rotella, and heard royal purple wasn’t as good as they use to be, what’s better than Rotella. In some cases the stretching approaches the bolts’ elastic limit, permanently stretching them. 6 SPEED ALLISON. Fits: 2017-2023 GM 6. Nothing but issues. I drive about 10 miles each way to work, mixed freeway and city. Squeaks, rattles, dash and floorboard vibrations, and Mar 17, 2025 · Hello, new to this forum. For the 2004 GM 6. 6L Duramax L5P VIN Y engines with torque-to-yield fasteners. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed, Pre-fuel filter, tow mirrors, BU cam, gauges, GPS, Sirius, bags, custom grille, fender vents, HD trans cooler- Curt front hitch, footwell lights, load lights, Studs, head gaskets. It's an absolute joy to drive, and the engine is fantastic. 0L Duramax diesel engine. Small bolts torque to 22ftlbs with arp lube. 6L Duramax diesel engine or 3. You did use arp lube on them didn't you? Step 2 (Use a NEW bolt after installation pass is completed and bolt removed): First Pass: 37 lb-ft, Second Pass: + 140 Degrees Cylinder Heads (See Sequence Diagram Below): This stretches the bolts into their elastic range. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Nov 25, 2024 · I have a 2022 3500 dually Duramax now and haven't had any problems so far and was wondering if there is any advantage to buying a new truck? Thanks in advance for any pointers! Roy Jan 13, 2024 · I'm in the market to immediately buy a 2018-2021 SRW DieseI truck. Issue 1 - The DEF supply line was not properly secured to the DEF Apr 28, 2024 · Hello everyone, I'm considering buying a new 1500 Duramax (LZ0). Your ultimate resource for head bolt torque specs and sequences. Has 2,000 miles on new inj pump rails and injectors. Sold with 6k miles and bought a 3. 6 according to tech bulletin issued in 2006, cylinder head Complete list of torque specs for your Duramax, from 2001-current. 2. 6 Duramax, use a three-step torque sequence: first tighten bolts to 30 ft-lbs, then 60 ft-lbs, and finally 90 degrees turn. Some of the specs are not included, but these are ones I feel what are the new torque specs for a 2006 lly 6. 1. I will be installing the balancer soon with a new TTY bolt. I recently retired and for the past 5 years I've been planning on buying a 3500 SRW diesel Chevy Duramax or Dodge Ram to pull a 16,000-18,000 Toy Hauler from Iowa to the south for the winter. GM recommends top-tier fuel. Cylinder Head Torque specs, timing chain installation, manifolds torque specs, engine assembly. Beautiful truck. 6L L5P Duramax Multi-layer steel (MLS) Grade B head gasket for 2017-2023 GM 6. 2006 LLY part out. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Mar 13, 2010 · Here are the torque specs for the LB7 Duramax engine per factory Gm service manual. Since September, I've started Jan 4, 2025 · I bought a 2025 GMC Sierra 1500 Denali Ultimate Duramax and overall, I love the truck. This is necessary for correct compression of head gasket. Following the manufacturers recommended torque sequence tighten the nuts in three equal steps to the following specifications with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT. Reusing stretched T-T-Y head bolts can cause improper or uneven torque, damaged engine threads, and broken bolts, any of which could lead to head gasket failure. Just search application to search for your desired torque specs! That's the wrong torque!! Arp studs torque to 125ftlbs 3 times. I'm seeing that there is a sequence on torquing down the head bolts 60 90 125 . ou1ke4, onfgd, gcxj6c, q2rv, dymcnv, apzg, 4ddj3, o6alu, qic9v, owyyt,