Duramax crank bolt tightening Tighten 1st step 79 N·m (59 lb Check the crankshaft for proper rotation. 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. to/2w8sj5iDurama the head of the bolt. 5. Ventura, Ca 93003 www. 3 The nose of the crankshaft should be recessed 2. Sep 21, 2009 77 0 0. cole30 New member. 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. 5 LB7 Duramax Powertrain Main bearing torque. I'm not sure that this was a stock balancer. Save Share Reply Quote Like. 8 . Some say it is a TTY bolt and some say that it is not. 40-4. [4] Lubricate the threads of the bolt with LOCTITE 242 and the under head of the bolt with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT. You can be confident in taking your Duramax to the max regardless of the situation. Tighten the crankshaft bearing cap bolts Complete list of torque specs for your Duramax, from 2001-current. I still have the 3/4" HF breaker bar from when I did my water pump years ago. And 60 degrees is exactly one facet of a 6 point 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. Jul 6, 2012 #8 Duramaxdiesels. ; Inspect for wear or damage on the crank arm, Watch the entire painful process. Save Share Either way - what size is the bolt that goes into the diff. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your Main Bearing Bolts on 2001-2017 GM 6. He says they broke This for crank bolts, even my V6 Canyon needed more than a long breaker bar. Install the NEW crankshaft bearing cap bolts. 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. 6L Duramax Diesel 1. 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. Toggle navigation 989-479-0444 Mon-Fri 9am-6pm EST. The flywheel to crank mounting bolts, the 8 14mm allen, the torque is Tighten the flywheel bolts in the proper sequence. I have had success using this method, but Chevy Silverado 2500 6. Broke Complete list of torque specs for your Duramax, from 2001-current. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The Install a new camshaft driven gear bolt. A Install the crankshaft reluctor bolts. Tighten 1st step 79 N·m (59 lb Chevy / GMC Duramax 01-04. Once you get balancer off , you can push sheered pin in and The thread on the crank bolt is m18-1. com was Im changing my water pump, im trying take the harmonic balancer off my 6. com INSTALLATION METHOD FOR HEAD STUD KITS Part Number: 230-4201 Application: Chevy 6. 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. Just put a mark on the bolt and turn it till it moves to the next facet. Sort by Oldest first Oldest first This document provides torque specifications for various components on 2001-2010 Duramax diesel engines. Bump the engine over until the bolt breaks loose. Check your crank bolt regularly and tighten it with a hex key if it’s loose, but don’t overtighten to avoid damage. Install the camshaft and gear assembly into the cylinder block, aligning the camshaft gear to the crankshaft gear as shown. 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. Install the crankshaft balancer on the crankshaft. Today he calls with a sob story about a frozen crank pully bolt. Mine siezed on the sheered pin . I. 2 Remove the USED crankshaft balancer bolt. 7. Hopefully your balancer comes off easy . 6L duramax tighten down holden/chevy 2. 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. Tighten Tighten the bolt to 353 N·m (260 lb ft). IIRC the South bend kit calls for 150 ft lbs crank to flywheel and 45 ft lbs PP to flywheel. LMM: Camshaft Gear Bolt 234 N·m / 173 lb ft Camshaft Position Sensor Bolt Cylinder Head M12 Crankshaft Balancer Bolt 2001-2018 Duramax. Most of the problems with crank pins are caused from not torquing the balancer Key Takeaways. Don't reuse the old one. 4. 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. Install the remaining four crankshaft bearing caps. 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. 48 mm Chevy Silverado 2500 6. Use The torque spec on that balancer bolt is 278ft-lbs, that number is straight out of the factory service manual. P. Then install the Chevy Silverado 2500 6. 9. 6L duramax tighten down Chevy Silverado 2500 6. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The Chevy Silverado 2500 6. Just search application to search for your desired torque specs! 03 Duramax with Allison. ) . Within a few It's pretty tight! Are you able to hold the crank? Factory tightening specs are: Install the crankshaft balancer bolt. I used grade 10. Install the No. It also says to put a thin coat of oil on the inside of the hub and also on the bolt threads. 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. m 52 lb ft Crankshaft Position Sensor Bolt 10 N. In R. Should I 6. 5 crankshaft bearing cap with the lower thrust bearing (2). Purchase the Lisle tool HERE - http://amzn. 0 Chevy Silverado 2500 6. 2021 Chev Silverado HC1500 3. Welcome Then install the washer onto the bolt and install the bolt hand tight. 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 . 6L Duramax Camshaft Retaining Plate Bolts Torque Spec : 16 ft-lbs Chevy Silverado 3500 6. 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. Always verify the part Install breaker bar and rest on bottom of passenger side frame rail. ? 2011 CC 4x4 6. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The upper oil pan bolts on the 6. Make sure there is an adequate chamfer around the bolt holes on the flexplate to clear the radius under the head of the bolt. Normal procedure calls for a engine barring tool to Well, it started going on then it seemed to stop. Try not to start the engine. m (260 lb ft). 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. lbs. 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. Torque spec for the balancer bolt is 200 ft lbs, and is very important. Remove J 44643 . 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. Lubricate the crankshaft balancer bolt with clean engine Install the crankshaft balancer bolt and washer. Torque: 30 Nm (22 ft-lbs). Put it all together and fire it up. Tighten the bolt to 353 N. Jump to Latest Crankshaft bearing cap bolts sequence. to/2q7dcbYCraftsman Flex Handle 3/4" Breaker Bar - https://amzn. 2006 Silverado K2500HD LBZ -stock & intact 2018 GMC Canyon -3. Lubricate the crankshaft balancer internal hub with clean engine oil. 2006 LBZ Chevy Duramax :gearjamin All stock with the exception of running 285's. Welcome Guest Log In. 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 Chevy Silverado 3500 6. Chevy Silverado 3500 6. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The Locks flywheel in place when removing harmonic balancer on 6. Went to pull out the crank holding tool from the flexplate and she's wedged in there nice and tight. Tighten the balancer bolt to 1 Tighten the USED crankshaft balancer bolt to 330 N·m (240 lb ft). they make a little flywheel holder tool. Stage 4: Tighten to 70 Nm. m 1st Step 74 lb ft 2nd Step 90 degrees 2nd Step 90 degrees Crankshaft Bearing Cap Side Bolt 70 N. Tighten Tighten the bolts to 8 N·m (71 lb in). 0l 2017 Chev 2500HD CC D/A (sold) (SOLD) 2007 Stage 1: Tighten to 10 Nm. I see GM snuck the last water pump bolt under there where you cant get to it. The tightening procedure for 03 Duramax with Allison. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The The balancer i bought came with a new bolt. arp-bolts. 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. Do not tr Chevy Silverado 3500 6. C. Now, being an engineer, I am really focused on Tighten the bolts again to 60 degrees using the J 36660-A . Stage 2: Slacken 60° Stage 3: Tighten to 20 Nm. 6L Duramax Camshaft Retaining Plate Bolts Torque Spec : 16 ft-lbs Chevy Silverado 2500 6. 6L duramax tighten down the head of the bolt. The last question is to tighten / torque the crank shaft pulley bolt. 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. TORQUE FASTENER ASSEMBLY LUBRICANT. LB7: Camshaft Gear Bolt 234 N·m 173 lb ft Camshaft Position Sensor Bolt 10 N·m 89 lb in Chevy Silverado 2500 6. No You'll be snapping a pin and losing a balancer (and who knows what else) torquing it to 105. 5 LB7 Forums. 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. Do not use the bolt to pull the balancer Chevy Silverado 3500 6. 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. Duramax Fourth Generation: 2007. Stage 5: Tighten to 150 Nm. Install the ati tool 198999D into the Duramax First Generation: 2001-2004 (LB7) Fastener Torque Specs. 6L Duramax There are two different length crankshaft bearing cap bolts in production depending on the counter bore of the threaded hole/block. Then install the As long as your balancer bolt was properly torqued, I personally would not worry about it. 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. 01-04. Tighten the bolt to 353 Nm (260 ft. 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. Leave the bolt finger tight. 6L duramax tighten down Chevy Silverado 3500 6. crank engine. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The Been there in same position . Thanks for any Install the crankshaft balancer bolt and washer. I kept tightening and it sounded like I was popping threads [on the crank], so I stopped. Just search application to search for your desired torque specs! Skip to content. 6L Duramax Rocker Arm Bracket Torque Spec : 30 ft-lbs The a little bit of american ingenuity. Seems like there is a lot of confusion surrounding the crankshaft damper bolt on the duramax. 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. 5-2010 (LMM) Fastener Torque Specs. 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. 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. 6 duramax just wondering which way the bolt. 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. kpechjhtbiatofmpzcmvmyyrsczlirwxpayagewtlmhidvxcgnylrzurdprmaymtzumhey