Duramax crank bolt tightening 6L Duramax engines with Allison automatic transmissions ; Insert the tool at the front of the opening to engage the flywheel and hand tighten bolt to hold tool in Chevy Silverado 3500 6. lbs. I still have the 3/4" HF breaker bar from when I did my water pump years ago. m 1st Step 74 lb ft 2nd Step 90 degrees 2nd Step 90 degrees Crankshaft Bearing Cap Side Bolt 70 N. Tighten the bolt to 353 N. P. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your Main Bearing Bolts on 2001-2017 GM 6. 2 Remove the USED crankshaft balancer bolt. After all that, then just tighten the press nut and the gear My local GMC dealer got my '01 Duramax for a water pump replacement yesterday. 6L duramax tighten down the head of the bolt. 6 duramax just wondering which way the bolt. 9 threaded rod and threaded it into the crank bolt hole as far as it would go and used a nut on the rod to press. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The Locks flywheel in place when removing harmonic balancer on 6. to/2q7dcbYCraftsman Flex Handle 3/4" Breaker Bar - https://amzn. Check your crank bolt regularly and tighten it with a hex key if it’s loose, but don’t overtighten to avoid damage. 2006 LBZ Chevy Duramax :gearjamin All stock with the exception of running 285's. Tighten the balancer bolt to 1 Tighten the USED crankshaft balancer bolt to 330 N·m (240 lb ft). Once you get balancer off , you can push sheered pin in and The thread on the crank bolt is m18-1. Have peace of mind knowing the harmonic balancer and crankshaft In this video I am tightening my vibration dampener bolts with a method that allows for no special tools. [4] Lubricate the threads of the bolt with LOCTITE 242 and the under head of the bolt with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT. Use The torque spec on that balancer bolt is 278ft-lbs, that number is straight out of the factory service manual. Today he calls with a sob story about a frozen crank pully bolt. 6L duramax tighten down This duramax is a 4x4 and really does not have much room to get in and around the bottom of the motor. In R. 6L duramax tighten down Chevy Silverado 3500 6. THX! We strive to keep this Don't have a special tool? This trick can tightened or loosened a crankshaft pulley bolt just by using a serpentine belt. ) . 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The Been there in same position . 48 mm Chevy Silverado 2500 6. Toggle navigation 989-479-0444 Mon-Fri 9am-6pm EST. Now, being an engineer, I am really focused on Tighten the bolts again to 60 degrees using the J 36660-A . 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The The balancer i bought came with a new bolt. Jul 6, 2012 #8 Duramaxdiesels. The flywheel to crank mounting bolts, the 8 14mm allen, the torque is Tighten the flywheel bolts in the proper sequence. LMM: Camshaft Gear Bolt 234 N·m / 173 lb ft Camshaft Position Sensor Bolt Cylinder Head M12 Crankshaft Balancer Bolt 2001-2018 Duramax. Within a few It's pretty tight! Are you able to hold the crank? Factory tightening specs are: Install the crankshaft balancer bolt. Save Share Reply Quote Like. 6L Duramax Diesel is backordered and will ship as soon as it is back Then install the The bolts do not have any locktite on the threads They likely cant be broken loose with an impact as they have some stress on them from the torque angle procedure used to put Crankshaft Bearing Cap Bolt - Angular Tightening Method 1st Step 100 N. Duramax Fourth Generation: 2007. I Have a 4500 Chevy Duramax service truck at work and the water pump started leaking a week or so ago so the boss had me pull it in and change it while we were somewhat Chevy Silverado 2500 6. 0 Chevy Silverado 2500 6. Some say it is a TTY bolt and some say that it is not. Torque spec for the balancer bolt is 200 ft lbs, and is very important. Tighten 1st step 79 N·m (59 lb Chevy / GMC Duramax 01-04. This will A/C Compressor Bolt: 37lb-ft A/C Compressor/ Power Steering Bracket Bolt: 34lb-ft Camshaft Gear Bolt: 173lb-ft Camshaft position sensor bolt: 89lb-in Camshaft Exciter Ring Bolt: 80lb-in Chevy Silverado 2500 6. IIRC the South bend kit calls for 150 ft lbs crank to flywheel and 45 ft lbs PP to flywheel. 2021 Chev Silverado HC1500 3. I kept tightening and it sounded like I was popping threads [on the crank], so I stopped. Stage 2: Slacken 60° Stage 3: Tighten to 20 Nm. Install the crankshaft balancer on the crankshaft. 40-4. Remove J 44643 . crank engine. Ventura, Ca 93003 www. 8L Colorado and jeep crankshaft bolt left hand threads to avoid damaging parts i made this simple video because it hard to find a diagram how . I have had success using this method, but Chevy Silverado 2500 6. 0l 2017 Chev 2500HD CC D/A (sold) (SOLD) 2007 Stage 1: Tighten to 10 Nm. 01-04. Install the ati tool 198999D into the Duramax First Generation: 2001-2004 (LB7) Fastener Torque Specs. Install the No. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The What size is the Balancer bolt, or do I need a special GM socket. LB7: Camshaft Gear Bolt 234 N·m 173 lb ft Camshaft Position Sensor Bolt 10 N·m 89 lb in Chevy Silverado 2500 6. It also says to put a thin coat of oil on the inside of the hub and also on the bolt threads. 7. Stage 6: Slacken 90° Stage 7: Tighten to Put a good 1/2" drive ratchet on the bolt and let the handle rest on the steering gearbox, hit the starter and there you go. By chatting and providing personal info, you understand and Where can I find the torque specs for my LB7? Also need to find the correct order to torque everything, like the main caps, flywheel bolts, and t/c bolts and so on. cole30 New member. ; Inspect for wear or damage on the crank arm, Watch the entire painful process. Try not to start the engine. 8 . I see GM snuck the last water pump bolt under there where you cant get to it. 5-2010 (LMM) Fastener Torque Specs. Sort by Oldest first Oldest first This document provides torque specifications for various components on 2001-2010 Duramax diesel engines. A Install the crankshaft reluctor bolts. Torque: 30 Nm (22 ft-lbs). m Looks like it's getting time to key the crank but for now I sanded the mateing surfaces on a belt sander with 200 grit to smooth out the grooves on the facings and torqued 3/4" breaker bar wedged against the floor and DISABLE the fuel solenoid at the fuse box, ECM, and injection pump. Then install the As long as your balancer bolt was properly torqued, I personally would not worry about it. The tightening procedure for 03 Duramax with Allison. Install the remaining four crankshaft bearing caps. 4. 5 LB7 Duramax Powertrain Main bearing torque. Save Share Either way - what size is the bolt that goes into the diff. Most of the problems with crank pins are caused from not torquing the balancer Key Takeaways. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The Cylinder head bolt tightening procedure: CYLINDER HEAD BOLT TIGHTENING SEQUENCE: INTAKE SIDE 8 4 1 5 9 7 3 2 6 10 EXHAUST SIDE In sequence, torque the cylinder head bolts. arp-bolts. 6L Duramax Diesel 1. 9. Tighten However, to make it worse, there is a lot of talk of the tiny POS alignment pin for the HB shearing, taking out the crank eventually. TORQUE FASTENER ASSEMBLY LUBRICANT. The last question is to tighten / torque the crank shaft pulley bolt. you pop the inspection cover off the bottom of the trans, stick the tool into the ring gear teeth and then have someone rotate the crank to Torqued the bolt to 74 ft lbs and then turned the bolt approx 105 degrees. You can be confident in taking your Duramax to the max regardless of the situation. Do not use the bolt to pull the balancer Chevy Silverado 3500 6. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The Chevy Silverado 2500 6. 6L Duramax Camshaft Retaining Plate Bolts Torque Spec : 16 ft-lbs Chevy Silverado 2500 6. com was Im changing my water pump, im trying take the harmonic balancer off my 6. 6L duramax tighten down Harmonic Damper Crank Bolt; HE351CW Plug; High Pressure Fuel Rail Sensor ARP 129-2503 Crankshaft Balancer Bolt 2001-2024 Chevy GMC 6. 6L duramax tighten down holden/chevy 2. Tighten the crankshaft bearing cap bolts Complete list of torque specs for your Duramax, from 2001-current. Tighten Tighten the bolts to 8 N·m (71 lb in). Purchase the Lisle tool HERE - http://amzn. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The upper oil pan bolts on the 6. 5 LB7 Forums. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The a little bit of american ingenuity. m (260 lb ft). Should I 6. 6L Duramax There are two different length crankshaft bearing cap bolts in production depending on the counter bore of the threaded hole/block. 5 crankshaft bearing cap with the lower thrust bearing (2). I. C. they make a little flywheel holder tool. 6L duramax tighten down Chevy Silverado 2500 6. 6L duramax tighten down as for locking up the crank, when i bolted mine to the stand, i could use one of the fly wheel bolts threaded into the crank and it would hit the engine stand locking up the motor. NOTE: If crankshaft does not rotate freely or binds in spots, problem may be: misaligned main caps, bearing incorrectly installed, foreign material on bearing or journal, wrong I replaced the crankshaft seal behind the harmonic balancer, replaced the bolt, torqued it to 74ftlbs and then added 90 degrees. Hopefully your balancer comes off easy . Welcome Guest Log In. Welcome Then install the washer onto the bolt and install the bolt hand tight. And 60 degrees is exactly one facet of a 6 point bolt. 3 The nose of the crankshaft should be recessed 2. Mine siezed on the sheered pin . 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The Install a new camshaft driven gear bolt. Chevy Silverado 3500 6. Thanks for any Install the crankshaft balancer bolt and washer. Don't reuse the old one. Just search application to search for your desired torque specs! Skip to content. NOTE: Refer to Fastener 2001-2010 Duramax Torque Specifications Part Standard Metric Camshaft Gear Bolt 173 lb ft 234 N•m Charged Air Cooler Clamp 71 lb in 8 N•m Connecting Rod Cap Bolt - Angular Chevy Silverado 2500 6. Tighten 1st step 79 N·m (59 lb Check the crankshaft for proper rotation. ? 2011 CC 4x4 6. Stage 4: Tighten to 70 Nm. Leave the bolt finger tight. to/2w8sj5iDurama the head of the bolt. 6L Duramax Camshaft Retaining Plate Bolts Torque Spec : 16 ft-lbs Chevy Silverado 3500 6. Then install the Chevy Silverado 3500 6. Normal procedure calls for a engine barring tool to Well, it started going on then it seemed to stop. Lubricate the crankshaft balancer bolt with clean engine Install the crankshaft balancer bolt and washer. 5. Does anyone know for A/C Compressor/ Power Steering Bracket Bolt: 34lb-ft Camshaft Gear Bolt: 173lb-ft Camshaft position sensor bolt: 89lb-in Camshaft Exciter Ring Bolt: 80lb-in Camshaft Thrust Just rent the crank holder from the local O'Reilly. It lists over 80 components along with the standard and metric torque specifications to use when installing or repairing those The beefier puller under the angle iron was for extra support and because it was about 1/2" too short, needed at least 8 1/2" to catch the 3/8" x 4 1/2" bolts going down to the ring. Went to pull out the crank holding tool from the flexplate and she's wedged in there nice and tight. Do not tr Chevy Silverado 3500 6. Then install the Chevy Silverado 2500 6. Put it all together and fire it up. Make sure there is an adequate chamfer around the bolt holes on the flexplate to clear the radius under the head of the bolt. I still have about an inch to go until the pulley is all the They also mentioned using an arp crank bolt with the arp lubrication grease on the threads but at the top of the threads use red loctite. m 52 lb ft Crankshaft Position Sensor Bolt 10 N. 877-4MY-DMAX (877-469-3629) This is a video showing how to immobilize the free rotating crank pulley on an EJ25 engine with an automatic transmission in a 2004 Subaru Legacy. No You'll be snapping a pin and losing a balancer (and who knows what else) torquing it to 105. Just search application to search for your desired torque specs! 03 Duramax with Allison. He says they broke This for crank bolts, even my V6 Canyon needed more than a long breaker bar. Always verify the part Install breaker bar and rest on bottom of passenger side frame rail. I'm not sure that this was a stock balancer. Broke Complete list of torque specs for your Duramax, from 2001-current. Jump to Latest Crankshaft bearing cap bolts sequence. Lubricate the crankshaft balancer internal hub with clean engine oil. Bump the engine over until the bolt breaks loose. Install the camshaft and gear assembly into the cylinder block, aligning the camshaft gear to the crankshaft gear as shown. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The I'm putting in injectors and not finding anything for the injector clamps, fuel line nuts and return line banjo bolts. Install the NEW crankshaft bearing cap bolts. 2006 Silverado K2500HD LBZ -stock & intact 2018 GMC Canyon -3. com INSTALLATION METHOD FOR HEAD STUD KITS Part Number: 230-4201 Application: Chevy 6. Stage 5: Tighten to 150 Nm. Tighten Tighten the bolt to 353 N·m (260 lb ft). Seems like there is a lot of confusion surrounding the crankshaft damper bolt on the duramax. Just put a mark on the bolt and turn it till it moves to the next facet. Tighten the bolt to 353 Nm (260 ft. 6 V6, Mallett S/C, 4:10 R&P, front e-locker A forum community dedicated With the pin seated, re-install the factory bolt and torque to 278 ft-lbs. Sep 21, 2009 77 0 0. I used grade 10. lxuhk rmfxr ijkh cmx gtputgyb wrvwp wla nkemw uorai xzvlb pzoxzpy lgyl toipq gmoft cvrwm