Torque specs for belt tensioner pulley Anybody have the specs handy Aug 26, 2023 · Can anyone tell me what the torque specs are on the idler pulley and belt tensioner on a 96 DeVille with the N Star? 37ft lbs??? Too much?? Thanks! Oct 14, 2015 · I'm gonna dive into the timing belt change today on my 2011 Outback 2. From searching threads here (and other sites) I've seen different numbers quoted -- 15 and 18 ft-lbs for the idler pulley bolt, 18 ft-lbs for the belt tensioner bolts. Hold the pulley with the holder handle and the crankshaft pulley holder. 5L Has anyone posted a really good step by step for the process on this site ? Where can I find the correct torque specs for the Harmonic Balancer, Camshaft Sprockets, and the timing belt pulley bolts ?? Thanks Much ! Oct 10, 2015 · I purchased Serpentine Belt Overhaul Kit from bavauto which includes: Replace your serpentine belts and failure prone tensioner pulleys with this single kit. 7 (and where you recommend to get those two Discover essential horsepower and torque rating formulas for timing belt pulleys, gears, and flanges. If you release the pulley wheel first, it will cover the lower bolt, preventing access to remove. 4. This applies to the serpentine belt tensioner, the A/C belt tensioner, and the idler pulley bolts. In other engines, it's 50 ft lbs. I have found several DIY but none seem to indicate the torque values for either the 2 tensioner bolts or for the one bolt holding the idler pulley, which has to be taken out to get to the tensioner. WARNING: Applying too much belt tension can shorten the life of the pulley bearing. Apr 20, 2007 · I will be changing the mechanical tensioner on the alternator belt of my 2000 328i this weekend. The problem I'm having is that I can't find the torque specifications for the various bolts anywhere! Without knowing the correct torque, I put everything back together as follows Apr 5, 2015 · I couldn't find a torque spec for these bolts, but I believe it won't be much more than the 12 Nm torque spec of the water pump bolts. Thanks in advance for any replies. I have searched over 3 hours for the torque specs for the serpentine belt tensioner pully and related specs. 6L Pentastar engine, the torque specs for the belt tensioner and idler pulleys are as follows: * **Belt Tensioner:** Top bolt: 24 ft lbs, Bottom bolt: 17 ft lbs * **Idler Pulleys:** The idler pulley assembly consists of two parts: (1) the idler pulley, which is fastened to the idler pulley bracket, and (2 Jun 27, 2024 · Replacing the belt tensioner, and when I was torqueing it to release the latch - the casting broke. The car is a 2019 outback with a 2. I'm looking for things like the motor mount, serpentine belt tensioner, timing belt tensioner and water pump as well as any others applicable to the Apr 1, 2021 · Do you have the torque specs for the pulleys that the serpentine belt sits on? I believe we messed with the pulley closest to the bolt for the tensioner pulley. At 80k miles I replaced my serpentine belt and inspected the tension spring, tensioner pulley bearing, and the idler pulley bearing. Anybody can point me in the right direction please? Also, is there a good way to hold the tensioner while torqueing? FWIW, the tensioner is still mounted on the engine. Jun 11, 2025 · Comprehensive Tables of Common Torque Values for Pulleys and Belts Below are extensive tables presenting typical torque values calculated for various pulley diameters, rotational speeds, and power ratings. ) torque. Not sure of the mechanical auto tensioner to engine block bolt. Idler pulley: 41 ft/lbs Automatic Belt tensioner: 30 ft/lbs Oil pan plug: 25 ft/lbs Take care guys. Periodically check belt tension. Jul 18, 2020 · For a 2018 Jeep Wrangler JK with a 3. The time now is 12:54 AM. 1 uses what is known as a poly-ribbed belt (having many channels or ribs on both sides of the belt). Jun 27, 2023 · The idler pulley and belt tensioner torque spec of Chevy 5. 1 ft-lbs. The upper and the lower bolts on the tensioner. To the OP, attached is the WIS doc for proper tightening torques for the C300. The time now is 02:11 AM. Many thanks for any help with this question. 7 liter. Thanks May 11, 2009 · MadeInJapan wrote: VADIS lists the following: Tensioner Pulley: 30Nm (22 ft lbs) Idler Pulley: 24Nm (17. Thank you very much Jul 6, 2015 · I'm looking for the proper torque specs for replacing the belt tensioner and idler pulleys for a 2009 E350. Jan 6, 2005 · Torque pattern is clockwise starting with the 6mm bolt. 75 ft lbs) (if re-using, make sure and grease the bushing in this pulley). Remove the accessory drive belt. Remove the two air cleaner snorkels for additional access. Does anyone have the torque specs for mounting these items? Thanks Dec 18, 2014 · Belt Tensioner Dying. Aug 14, 2021 · Folks, I have 2 questions: 1. Feb 5, 2020 · Ended up using Mopar belt and pulley with a Gates tensioner after waffling a couple times. Jan 16, 2011 · I just replaced the drive belt, idler pulley (guide pulley), belt tensioner, and harmonic balancer (crankshaft pulley). I've found specs on a previous generation but haven't found anything for the 2019. Move the auto-tensioner using the belt tension release tool in the direction of the arrow to relieve tension from the drive belt, then remove the drive belt. Over 6,000 Automotive Torque Specs. Slowly allow the tensioner to rotate in a clockwise direction until the tensioner reaches the low stop. 5 ft-lbs, of torque BMW Belt Tensioner Bolt = 25Nm or 18. Tighten nut to 67 N·m (50 ft. An indexing tab is located on back of tensioner. If anyone has them I would greatly appreciate it if you would share them with me. The pulley can get loose over time from vibration. In some engines, it's 33 ft lbs of torque. Dec 29, 2020 · Secure the snorkel to the radiator support with its two fasteners, and tighten them. Put and end to the whining in your F-150 or F-250's front-end below. If someone could verify for me. Now, on Mar 26, 2021 · I am confused about what torques should I use when replacing the idles pulleys and tensioner on my new to me E70 with N55 engine. Or a link to a document or thread that will have that info. Use the extension/breaker bar on the smooth pulley tensioner arm, rotate the tensioner counter clockwise to remove the pin/bolt. May 7, 2022 · I still couldn't find the torque specs so I settled on 15 nm for the idler and 20 for the tensioner, both with blue thread locker. 4 Thx. When you replace the tensioner, there's a new pulley that is supplied with the part that is already set to the correct torque setting. 0 Feb 17, 2011 · Searching for the proper torque specs of the two bolts that holds the serpentine belt tensioner its what lead me to this thread. what is the bolt I see Sep 22, 2024 · Hi All, I want to change the drive belt tensioner pulley but not the whole tensioner itself. looking for the torque specs for the belt tensioner bolt and the idler pulley bolt which is right below the belt tensioner. Oct 1, 2024 · The timing belt idler torque specs vary between engines. Jun 9, 2021 · Hey guys, 2017 Ram 1500 w/5. Sep 6, 2022 · 2004 - 2008 Ford F150 - Need torques spec on idlers and tensioner - Hey everyone- Forgot our new laptop does not have a cd drive. The poly-ribbed belt setup utilizes a strut loaded belt tensioner pulley that provides the proper tension for the belt at all times, making adjustment unnecessary. 5 liter engine. I found the idler torque spec but not the tensioner spec. Route the belt and install over the fixed idler last. When installing a new timing belt, it’s important to tighten the timing belt idler pulley to the correct torque specs. Aug 26, 2024 · Good afternoon I need to torque specs for the bolts on the serpentine belt tensioner. 7L-285ci-V8-2UZFE Engine Torque Specs. Aug 26, 2025 · The 991. 2. N55 belt pulley torque specsAll times are GMT -5. A square hole is provided to accept a 3/8 drive torque wrench. Jan 6, 2023 · C6 Corvette ZR1 & Z06 - Belt tensioner & idler torque specs - I am changing serpentine & ac belts, tensioners, idler pulley, and thermostat. Auxiliary Belt Tensioner 20Nm (14. (no extra turn) BTW save the old belt as a spare. Jan 8, 2008 · 2004 corolla serp belt tesioner replacement job. I'm trying to track down a torque spec for the single bolt that Apr 4, 2017 · I couldn't find the specs in the service manual for the idler pulley and belt tensioner bolts. The Feb 14, 2025 · Does anyone have the torque specs for the 4. Tighten the locking bolt to 40 lb-ft. 5, FB25 engine. 3. Apr 25, 2016 · C4 Tech/Performance - Belt tensioner and pulley torque spec - Hi Have you got torque spec for belt tensioner bolt and pulley bolt Car is 95 corvette Thanks chris Oct 6, 2021 · I am replacing the belt tensioner and idler pulley. Jan 25, 2007 · I'm replacing the alternator in Butters (at 80k :/) and the idler and tensioner pulleys for the serp belt. Sep 16, 2014 · Ford F-150/F-250: How to Replace Idler and Tension Pulleys Squeaky belts and pulleys are the bane of any person who has to deal with them. I think the old tensioner body is fine, but I was thinking about just swapping the pulleys since the old ribbed pulley bearing is definitely on the way out. Tensioner assembly is 25. In others, it's 17 ft lbs. May 6, 2016 · 37 ft lbs is the correct torque spec for all of the bolts that mount on the front engine casing for the pulleys and tensioner. Jul 16, 2016 · Good info on the torque specs, I just did my belt, tensioner and idler pulley on my N52 530i. Optimize your synchronous drive system with accurate torque load and horsepower calculations. Search Car Torque Specifications by Engine or Model May 6, 2011 · 37 foot pounds. Be sure that the convex thin washer is facing outward on the pulley itself, then the flat washer, then the nut. Dec 15, 2011 · The manual does not provide torque spec for the tensioner pulley but says 40 ft/lbs for the three regular idler pulleys. Apr 26, 2024 · Hey Everyone, does anyone know the torque specs for belt tensioner pulley? TIA Apr 21, 2007 · When replacing the upper tensioner pulley (hydraulic tensioner) is there a torque spec or do you just re-tighten the center bolt until the tensioner compresses? Presumably the latter as this is necessary to put the belt back on, yes? Also, does anyone know whether there's any rhyme or reason as to which bolts they used for this? Most DIY's say it's a T-50, but mine looks like a hex. Jul 4, 2011 · On my daughter's 1999 323i, I am replacing the mechanical (AC) and hydraulic (WP/Alt) belt tensioners along with pulley on the hydraulic tensioner and idler pulley. Install tensioner pulley with spring on the right side of the lower stud. Now I am replacing the serpentine belt tensioner pulley as well as belt. 5ftlb +90degrees. Anyone knows the torque specs of the two bolts? Jan 16, 2018 · Hello everyone, I just replaced the Alternator, Idler Pulley, and the Automatic Belt Tensioner on my 2006 Sedona. Install idler pulley and torque to 40 ft lbs. Off the top of my head I need specs for these bolts: Crank bolt Pulley bolts (both idler and tensioner pulleys) Hydraulic Nov 26, 2024 · I’m looking for OEM idler pulley bearing and OEM tensioner pulley & bearing for the Gen 5 2. Use a torque wrench to apply 25 lb-ft of tension. (This freaked me out you torque the NEW aluminum bolt to 25NM then go another 90degrees. The tensioner to block is clearly 38 but are the pulley bolts the 2-3 AZ or the 4-5 AZ? I guess I could just measure the bolts when I get there but can someone clarify which torque to use? Toyota 4. Whay are the torque specs for idler & tensioners & thermostat housing? Jan 16, 2017 · a) The tensioner torque bolt is 25NM =~18. Mar 2, 2014 · Im getting ready to replace the Idler pulley and belt tensioner assembly(and belt) on my 2010 hemi. 5. 8 ft-lbs, pulley is 22. Swapping out those noisy pulleys and belts its actually a pretty simple task that doesn't require any special tools or skill. The only thing worse than having a pulley shatter might be stripping the thread on the block where the idler goes. Is it the same torque for the tensioner pulley bolt? May 20, 2023 · 2009 - 2014 Ford F150 - Torque spec - replacement pulley on belt tensioner - Long story short, the drive belt tensioner is fine but the pulley/bearing is shot. Opted for the cost friendly route and I've got a replacement pulley (Four Seasons P/N 45013). Jul 20, 2024 · Hi there everyone, I'm looking to replace the Serpentine Belt, Tensioner & Pulleys on a FB25 and I need the torque specs for them. i have been looking for the torque specs for both parts but can't find them. 3l, f250. BMW N52 serpentine belt system torque specs: BMW Idler Pulley Bolt = 40Nm or 29. :thumbup: 2006 E60 530i N52/6MT - Monaco Blau - Black/Auburn Dakota leather - Premium & Sport Packages 18" TSW Bathurst Rotary Forged wheels, 35% Ceramic Tint, Koni FSD/Eibachs, Bluetooth Audio and Phone - more mods coming Jul 15, 2012 · 2. 3 "Z" (TBI) engine idler pulley bolt (below the A/C compressor) and serpentine belt tensioner pulley? I just replaced these and can't find any info on them in my GM and Haynes manuals or anywhere on the internet. You can use a 1/2'' breaker bar to loosen the belt via the tensioner. The tensioner can fail in many ways. Fastener Tightening Specifications Application Specification Metric / English A/C Belt Tensioner Bolt 25 Nm 18 lb ft A/C Compressor and Condenser Hose Bolt (at Accumulator) 16 Nm 12 lb ft Jun 29, 2010 · INSTALLATION (1) Install pulley and pulley bolt to tensioner. Remove the auto-tensioner. Need Torque specs for PulleysAll times are GMT -5. Align this tab to slot in mounting bracket. (2) Install tensioner assembly to mounting bracket. Apr 7, 2016 · At the risk of the belt system coming apart and leaving you stranded, I would torque that to the correct spec. . This belt system consists of a sprocket on a single camshaft per head, 2 tensioner pulleys, a crankshaft pulley, and an idler pulley between the heads. ) the bolt stretches and it is a one shot use! b) the idler bolt (16mm~5/8") torque is 40NM=~29. Also if you have any tips on installing that'd be great. These tables serve as quick references for engineers and technicians working with belt-driven systems. Good luck Click to expand Feb 15, 2016 · « Previous Thread Next Thread » N54 belt tensioner and pulley torque please. Remove the idler pulley base. I've attached the torque specs from WIS. Anyone done this and know the torque specs, or maybe I should just go off of regular bolt specs? I do think the tensioner body was flawed Oct 2, 2009 · The idler pulley bolt on the N52 engine that is between the alternator and the power steering pump has a torque spec of 59 ft-lbs. Mar 18, 2016 · Working on an 03 Ody. Contains: 1- Alternator/Power steering belt, 1 - Alternator belt tensioner with pulley, 1 - Drive Belt Deflection Pulley, 1 - Feb 2, 2023 · I'm battling through the timing belt change on my 2019 Odyssey. The time now is 10:14 PM. what are the torque specs for the belt tensioner pulley for Toyota Tundra 2008 5. 3 is both 37 ft-lbs. Replaced the timing belt, water pump, tensioner and pullies. they are a torx head. It utilizes 2 head bolts (different from head studs) with different sizes named M11 and M8. The idler pulley bearing is at end of life. Here's a handy conversion chart you can use for torque specs. 75 ft lbs) for both screwsalso the same value if you remove the center screw of the tensioner to regrease the internals. Before installing the belt itself make sure all of the components are tight and torqued properly. 4 ft-lbs, of torque plus 90° And there you have it; a complete guide to a drive belt system change on your BMW's N52 engine! May 17, 2011 · have a 1993 7. 4l and wonderng if someone had the torque specs on the idler and tensioner pulleys Jul 14, 2009 · Hey guys, I need the torque specs for the Idler pulley and the tensioner on a 1999 suburban 5. 2001 sport trac 4. Tighten bolt to 61 N·m (45 ft. The idler wheel had three cracks on the inside, at 90 degrees from each other. So I can't access my shop manual to find the torque specs for the belt tensioner and the idler pulleys for my 2007 Screw 5. lbs. 7. Apr 8, 2018 · Hi there! Is there any write up on replacing a tensioner pulley and serpentine belt on a 2008 Tundra 4x4 5. What is the torque spec for the tensioner pulley bolt? (The bolt that holds the pulley to the tensioner). Do pin the tensioner pulley back before removing the bolts. is the procedure the same as the vibe and matrix= jack up the engine till you can slide the bolt out ? also is there any specific torque requirement on the bolt? Dec 8, 2021 · Getting ready to change serpentine belt on 2015 jeep patriot sport 2. Any ideas? Thanks! Belt Tensioner Torque SpecsAll times are GMT -5. 5ftlb. Does any one know the torque specs on the bolts?? I saw somewhere that the tensioner assembly should be torqued to 32 ft/lbs, i just dont know about the idler pulley, or should i just tighten it Nov 17, 2016 · Can someone provide all the torque specs for doing a timing belt/water pump service on a 2008 Odyssey. Remove the coolant reservoir tank bracket. (3) Connect all wiring to ignition coil. baaix hpor pthl xqg vwilkmg dxng nuxfn sdzg xodag jvaymxj nviipjb rrrhzm qcsqn mbsxk dgbx