I torqued it to 120 ft-pounds and all seems good. Over time, repeated heavy acceleration can cause the rear wheel axle nuts to lose proper torque. The basics of torque and torque wrench use on bicycles, including a table of various torque spec recommendations. Screw on the new castle nut onto the ball joint shaft. This can leave a hub assembly susceptible to failure. Figure 1. Sponsored by FAG. Torque it to 100 ft.-lbs. Ensure that you have the correct torque for the application by referring to SKF 457377 torque specification guide or Spicer ultra-premium synthetic grease is available in 10-packs of 14-oz. SOURCE: require ford escort rs 2000 1976 torque settings head bolts 2lt overhead cam with them horrible tappet adjusters,cast iron head but valves dont hit the head if the timing belt breaks ,but it does on the 1600 .called a pinto in america .Remember the assembly line well ,have many a fond memory of working on it and the staff canteen on night shift ,what lovely grub we got.Head bolt torque . . Tips. How To Torque Axle Nut The axle nut is 32mm. The first step is to examine the rubber boots located on the axle shaft close to the wheel. The axle nut tightness should have no effect on how freely the wheel spins. Signs of a worn wheel hub bearing vary in severity. Since the bolts are splined, the bolts must be hammered into the steering knuckle. brianwk2. Check the repair manual for . Andrew Markel discusses bearing installation and how the torque specification of axle nuts should be closely followed. Torque it to 62 ft.-lbs. Loosen the axle nut until it is freely loose, then finger-tighten the axle nut. 2005 to 2007 use a solid axle. Temperature. Poor Fitting Chain. It can also create a false sense of security when adjusting a nut or bolt, which may be under or over torqued. Rattling sounds or increased road noise. Symptoms of this issue include a grinding noise audible to the driver and caused by loose rear wheel axle nuts. Listed below are a few symptoms or warning signs that will indicate that the wheel studs should be replaced. Im 99% sure over tightening the axle nut will NOT effect the trans in anyway. Solid axle nuts (non-quick-release type wheels) 29.4-44: 266-390: The symptoms are classic for a differential pinion that, over time, has lost the factory pre-load settings. I just checked the axle nuts on my 2014 Town and Country with 45,000 miles, to after hearing a clunk when shifting between drive and reverse a back, and on the road when accelerating from coasting. . The torque wrench is used to tighten only. This might cause improper preload on the rear wheel bearings, possibly leading to premature bearing wear. Over time, repeated heavy acceleration can cause the rear wheel axle nuts to lose proper torque. Sometimes the lug nuts can loosen and could cause a clicking or popping sound. Hammer the . The threaded part of the ball joint is a taper fit. Some may be difficult to detect, leading to damage before corrective action can be taken. Also, If the nut is too loose, it can cause the same symptoms as a failed ball joint, which may lead to unnecessary replacement. Check the Lug Nut Torque. Change the wheel. First, you need the proper tools. Symptoms of this issue include a grinding noise audible to the driver and caused by loose rear wheel axle nuts. Job time around 35 mins per side. A loss of ride height. Most of the time you'll hear clicking on the side nearest the wheel because there's a lot of movement involved with the u-joint. 5. One is a failure of the wheel mounting system, such as the wheel studs, lug nuts, etc. The axle boots fail over time. No leaks or issues so far. Temperature. Always Check for Proper Stud Fitment I used a 1/2 drive electric impact gun and just let the gun completely bottom out, kept going till nut stopped turning. Double check that they are snugged really tight, and try to tighten a little further. Install the wheel and lug nuts. To learn more about wheel bearings and steering and suspension repairs, visit Garage Gurus http://fmgaragegurus.com.Using an impact gun when installing an ax. To lose and the bearings come out. An under-torqued assembly can reduce the bearing's lifespan or even cause the bearing assembly to fail. 2008 and up use a hollow axle. on. You can expect the parts cost to be anywhere from $320 to $750, while the labor costs are only around $150 to $190. If the axle is seized to the flange, thread the bolts in by hand. Worn Sprocket Teeth. Make sure the axle nut is torqued to spec. By. All of the above can be signs that your torque rods are cracked/broken or worn bushings and need to be checked/replaced immediately. Push the CV axle shaft through the new wheel hub and screw on the CV axle shaft nut. solbey11. Pry down on the control arm and watch the ball joint to see if it stretches the boot. The sway bar end links are probably the most common culprits to cause a clunking noise. The symptoms are: 1) The whine usually starts after the differential oil has warmed up. However, there are other potential signs as well, such as vibrations while driving. Change the axle nut. Regardless, it was the best $110 (hub assembly+axle nut) I spent on the Jeep so far because the noise was driving me crazy! This might cause improper preload on the rear wheel bearings, possibly leading to premature bearing wear. Note: If unaddressed, the wheel bearings will seize, the wheel itself will come off. Check the Brake Caliper, Struts, and Behind the Wheel for Grease. To check your ball joint, remove the sway bar link from the control arm. Most of the time you'll hear clicking on the side nearest the wheel because there's a lot of movement involved with the u-joint. Torque the lug nuts, in sequence, to 95 ft. lbs. . Warped Rotor Symptoms: Ford F150. No, it does not have to be lifted off the ground to do this. Center axle bolt tightening torque As tightening torque values vary both on the model and yearly basis, it is best to verify by calling the dealer. Also, CV joints are inspected for signs of cracks, rips, tears, and punctures, which causes grease to leak out and dirt in. You can replace the axle boots or the external CV (constant . Break-In Period. Purchase a specially-designed aftermarket nut that has locks built in so it can be torqued without loosening. By . They brought out the manual torque wrench and muscled 4 of those loose. This can cause lug nuts to loosen even if they are torqued to factory standards. 2. Screw on the bolt nuts and torque down. with the wheels on the ground. Because they are so powerful, you should not use an impact wrench to: Loosen axle shaft nuts - The large amount of instant torque can damage CV joints; Tighten any nuts - It is very easy to over-tighten any nut with an impact wrench. Do NOT roll the vehicle until the axle nut has been properly torqued or damage to the front wheel bearings will result. Read on to learn an important tip for torquing the stud nut on a MOOG ball joint. I had a knocking sound when going over bumps in my friends dad's Legacy. You can do the math and imagine how easy it would be to over-torque this pony car's wheels using this tool. Jump to Latest Follow 1 - 2 of 2 Posts. Insert the split pin again and put the wheel back on - great now you have no more clicking! For example, a fully tightened crank bolt can provide over 14,000 Newton force (3,000 pounds force) as it holds the arm in place. Andrew Markel. Torque the nut then go for a drive, the bearings if shot will most likely cause a vibration at a non prescribed speed depending on how shot the bearing is and the type of bearing on it. Symptoms of Rear Axle Click. Spicer ultra-premium synthetic grease is compatible with all NLGI-2 greases, and delivers professional-grade quality, even at high temperatures. Nov 25, 2015. . pails (SPL1052). Tighten the lower ball joint retaining nut. Install the new cotter pin and bend in place. . An axle may also become noisy or create a vibration. An impact wrench will be your friend here as it can help you safely secure the nut. The other cause is a failure of the hub and wheel bearing assembly. 30#s of applied torque ends up being 270#s of torque to the nut (Marc says 253#s of torque and I would follow that recommendation if at all possible) so divide 253 foot pounds by 9 and you get ~28.111 #s of torque applied to your torque . Damaged threads on the wheel stud Tap the axle nut with a dead blow hammer to create play. The noise can range from a rhythmic thumping to pitchy groaning hum. The CV axle is composed of those bearings . Pre-tighten the nut to 47 Nm (35 lb-ft). Spray the axle nut with rust penetrant. Step 2 - Check the axle nuts. Step 1: Remove the axle nut. If not addressed, the noise . I use to skateboard and of you over tighten the bolt the wheels don't spin. When installing the new control arm, snug up the nut and torque the nut to 70Nm ( 52ft/lbs.) Install the insert and the castellated nut onto the upper ball joint. The gun I used will not move the axle nut back off and with a helper standing on the brakes while I jack up on the end of a breaker bar with a floor . . It's one of the most definitive bad wheel bearing symptoms and among the earliest signs of an extreme mechanical damage. This might cause improper preload on the rear wheel bearings, possibly leading to premature bearing wear. I guess they consider it a wear item. You're almost done - lower the vehicle. I'm pretty sure it is 72.5 ft/lbs in the service manual. Symptoms of this issue include a grinding noise audible to the driver and caused by loose rear wheel axle nuts. Do not tighten the nut at this time. Torque checking is making sure the torque has not changed and is as it should be. Recheck the tightness of the lug nuts after the vehicle has been driven 100 miles. CV axles, or constant velocity axles, come into play. Increase tire life and reduce seal failure with the Pro-Torq axle spindle nut. In case you don't own one, tighten the nut to the best of your ability without pulling on it when it's up on the stands. If you still can't get it out, you'll need to use a ball joint separator tool. Step 1 - Check the sway bar end links They might be loose. An axle nut that is too tight will put too much preload on the hub bearings thus diminishing their life expectancy. With lugs they are no longer up to OE strength spec and are at risk for breaking under normal conditions, thus your wheels pass you in traffic. It indicates a major misalignment in the wheel or suspension. I used SDK seals and bearing and the cheapest new axle I could find a DANA SVL one for about $60.00 from Rock Auto. Torque checked..not re-torqued. Once greased, tighten the nut again (I think the torque is 177lbs) and this will draw the axle back out. Check the Lug Nut Torque. Torque checked..not re-torqued. Remove the bolts from the ball joint with a 17mm socket and breaker bar. Be sure to follow the torque sequence shown above for your specific lug count. Position the wheel knuckle onto the axle housing. If the nut is loose the bearings will not be seated so you will get a "mixed" symptom. 1. What happens if you don't fix your CV axle? Damage to the lug nut seating surface of alloy wheels. When I spun the hub I could feel and faintly hear a clicking in the bearing. Axle bolt socket size. Then carefully inspect the threads for damage. (129 Nm). When you over-torque the lug's you do the same damage as any other over-torqued bolt, it stretches, possibly gains stress fractures and is no longer certified for its load rating. Lower the vehicle to the ground. If you have a rear wheel or four wheel drive vehicle which has a long drive shaft to power the rear wheels, then . A quick follow up on this, I've gone about 2000 miles so far on the new axle and axle seal and pinion seal. Most wheels today are made of an aluminum alloy and are held to the hub with steel lug nuts. Feb 4, 2020. With the vehicle's brakes applied, torque the axle nut to 180 ft. lbs. Causes of Rear Axle Click on the 09-20 370Z. Nobody cares about break free torque and the wrench isn't designed to handle excessive leverage. It's not uncommon to see cars with over 300,000 miles that still have original CV-joints. If you're just replacing a half-shaft for your front wheel drive car, then it will cost anywhere from $470 to $940. At low speeds, you will be able to feel the vibrations, while at higher speeds, they'll manifest as humming sounds. Cracks in brackets or the frame due to degraded shock dampening performance. Such is the story for the above pictured vehicle, a 2008 Dodge Grand Caravan SXT with nearly 300,000 kms on the odometer. The axle nut on the 370Z and its retainer stretch apart and loosen despite the extra security from the cotter pin. Shuddering. Loose end links are a common cause of clunking noises while driving over bumps. 6. However, some models might have a larger 32mm nut, so that you will need a 32mm bi-hex socket. It appears to be most common on XC90, S60R and V70R . Tighten the lug nuts in a star pattern, alternating from any lug nut to one that is directly across from it. Over-tightening Your Chain. The axle nuts are torque-conditioned which means they are good for only one use. Being too loose or over-torqued can lead to stud breakage and damage to the steering knuckle. Jack up the front of the car and place it onto jack stands. Re-torquing is loosening the nuts (bolts) and then torquing them again which, will require a torque check again 100 kms or so down the road. Remember, the weld nut must remain stationary while torquing the cone nut. The axle nuts can get loose, or may not have been torqued down properly. Worn Chain Tensioner. Can a loose axle nut symptoms? 4 More Late Symptoms of a Loose Chain (Motorcyclists can avoid These Via Routine Chain Maintenance) Maintenance and Prevention. Two primary failures cause wheel runoff crashes. Using a 1/2 socket wrench, torque down the castle nut and align the nut with the cotter pin hole in the ball joint shaft. If it is loose, the spacers will move in the wheel and against the swingarms. In the case of a 2005 Mustang, Ford recommends using 100 lb-ft of torque to properly secure the car's lug nuts. Step 1: Check The Boots. tubes (SPL1051), and 1-gal. Use a 17mm hex bit socket to remove the axle bolt from the hub. Do not tighten the nut at this time. Do not use an impact gun to install the axle nut. just hand tighten. Pinion pre-load is lost gradually over the life of the differential as the bearings and or . Fuel Tanks and Pumps. Sometimes the lug nuts can loosen and could cause a clicking or popping sound. These are all symptoms of a failing constant velocity joint on one of the front drive axles or "halfshafts," as many people call them. Unusual tire wear, feathering, cupping or odd tread patterns. Usually, when your axle starts to go, you'll notice a bumping, clicking, or grinding noise when going into turns, or excessive shaking and vibrating when you accelerate. The axle nut will also have to be re-torqued to the specified torque after the repair is completed. Install the axle shaft So the "*****" way is to mark the nut and pinion shaft, and get a feel for how much drag it takes to rotate the assemble, with the wheels off the ground. Warning: Inadequate lubrication can cause driveline failure, which can result in . How do you check if a bolt is over torqued? Attach the steering knuckle to the suspension strut, align the mounting holes, and push in the two (2) bolts. Pull the axle out of the knuckle. What are the signs and symptoms? SOURCE: require ford escort rs 2000 1976 torque settings head bolts 2lt overhead cam with them horrible tappet adjusters,cast iron head but valves dont hit the head if the timing belt breaks ,but it does on the 1600 .called a pinto in america .Remember the assembly line well ,have many a fond memory of working on it and the staff canteen on night shift ,what lovely grub we got.Head bolt torque . 1 1/4" socket fits the 32mm spindle nut: torque to 134 lb-ft. Ball joint nut: torque 36 to 43 lb-ft. OEM and bearing manufacturers always recommend using a torque wrench for installation. Recheck the tightness of the lug nuts after the vehicle has been driven 100 miles. During removal, an impact wrench can damage the axle nut threads and shock the CV joints. Torque checking is making sure the torque has not changed and is as it should be. Rotors are generally smooth and flat and if they are warped they can display the following signs: Noisy brakes - warped rotors contact brake pads at uneven intervals producing a squeak, squeal, or a scraping sound. . This is also one of the most noticeable and the most common signs. See if the lug nuts have the proper torque. In effect, your torque wrench will show that there is 159 lb/ft of torque on the nut (rotational force), but your clamping pressure (compressive force) will not be up to spec. And this is the time to fasten the axle nut if needed. These two different metals expand and contract at different temperatures which can cause them to loosen as they heat up and cool down. Hitting it will help to free up the joint. Apply grease to the outer CV axle shaft splines and push the axle shaft into the wheel hub. Tap the bolts in with a hammer and punch. One of the symptoms of a failed inner CV joint is lateral (side-to-side) shaking or vibration during acceleration. When CV joints get worn out, the joints become very loose and make clicking sounds when turning. Then use a 17mm socket to remove the lug bolts. Use a qualified, calibrated torque wrench. One of the most common and most noticeable symptoms of a bad or failing CV axle shaft assembly is an audible clicking noise when turning. It took about 3 hours to do, I broke a breaker bar in the process and had to heat the nut with a torch to get it loose. No, it does not have to be lifted off the ground to do this. (244 Nm). May 25, 2022. Check the Brake Caliper, Struts, and Behind the Wheel for Grease. All later models using the weld and cone nuts must torque the cone nut to 100 ft.-lbs. Andrew Markel discusses bearing installation and how the torque specification of axle nuts should be closely followed. VIDEO: Can You Over-Tighten An Axle Nut? 2) The pitch changes or disappears with throttle variation. One axle nut was loose as a goose. Tighten the lug nuts in a star pattern, alternating from any lug nut to one that is directly across from it. The Torque miser (which I have) and the Tork dude, which I think are the same but marketed under different names, both (I think) have a drive ratio of 9:1. Popping, squeaking, wheels wobbling, vibrations and many other symptoms can occur when the rear axle to spindle/knuckle retaining nuts lose their clamping force. The timeframe in which damage occurs is linked to driving conditions and/or the mechanical practices that were followed at installation. The front drive axle on BMW E60 all-wheel drive models connects the front differential to the front drive wheel. 1. It is pointless to replace only the CV joints in your vehicle without knowing the condition of the boot. In most cases, you will need a 27mm hex nut socket. In my case, they popped out rather easily. Also, If the nut is too loose, it can cause the same symptoms as a failed ball joint, which may lead to unnecessary replacement. If not addressed, the noise . Over time, repeated heavy acceleration can cause the rear wheel axle nuts to lose proper torque. I am seeing this almost on a weekly basis at this point, both with stock and aftermarket set-ups. It will also leave your spindle nut under or over torque resulting in hub assembly failure. A length of pipe over a breaker bar and 6 pt socket will remove the nut. Fuel Starvation A: Noise is the most common symptom of a bad wheel bearing. 3. Lower the vehicle to the ground. 4. 6 Reasons a Motorcycle Chain Comes Loose. Most commonly, these failures are related to improper or deferred maintenance, but some are also linked to manufacturer's defects. Andrew Markel discusses bearing installation and how the torque specification of axle nuts should be closely followed. Tighten the lug nuts with a torque wrench to the manufacturer's recommended settings, which is usually around 90 foot-pounds. Being too loose or over-torqued can lead to stud breakage and damage to the steering knuckle. Most wheels today are made of an aluminum alloy and are held to the hub with steel lug nuts. xile6 said: As others said. Too loose is no bueno either. Install the nut onto the lower ball joint. Slide the axle nut retainer onto the spindle, replace the cotter pin and bend the cotter pin tabs over. Slide a long sturdy bar, or prybar between the arm and axle shaft. Volvo issued many service bulletins focused on odd noises occurring on P2 XC90 (2003-2014) models, but these same issues can occur on any Volvo with CV joints (FWD/AWD.) There are many warning signs that you should be aware of that will reduce the potential of a broken wheel stud and will keep you safe as you drive down the road. Belonging to a now retired minister, this vehicle has seen near constant use since it was purchased used back in 2011. Tighten the lug nuts with a torque wrench to the manufacturer's recommended settings, which is usually around 90 foot-pounds. They allow the transmission to drive a car's wheels and open up a range of motion with bearings. If your F30 has xDrive, you need to remove the axle from the hub to have enough space to remove one of the arms. . 3. Removing the axles is not a bad job, but plan to spend about half the day replacing it. If the noise is only happening while traversing over bumps or potholes, this is your most likely cause. How to Fix Rear Axle Click. Loose Axle. A typical air impact wrench generates 900 lb-ft of torque. Remove the 14mm bolts from the axle. A bolt that has been over-torqued will be prone to cracking, shearing, loosening, or breaking off which can result in damage to the wheel and other related components. See if the lug nuts have the proper torque. Knowing its condition can help determine whether or not the CV joint needs replacement. I used gasket shellac around the edges of both seals and waited a day before refilling with oil. The axle nut I torqued 06 NISM O KC 4x4 6sp. Wheel vibrations can also happen if the lug nuts aren't properly torqued. The impact gun will damage the axle nut. Noise is a classic sign of a bad wheel bearing or wheel hub bearing. When replacing a ball joint, the stud nut must be torqued to the proper specification. Traction bar mod, E-locker mod, Nism o CAI, SilverStar Ultra headlights and Luminic JDM yellow fogs, OEM bug-guard, WeatherTech vent visors, ScanGaugeII w/ BlendMount, Factory Nav mount w/ Garmin 750, JVC XG700, Polk Audio speakers, Kenwood SW10 sub, Superchips Tuned(93 +2), WRP TBS, Banks Monster . Re-torquing is loosening the nuts (bolts) and then torquing them again which, will require a torque check again 100 kms or so down the road. 4 level 2 miyata_fan This is bad and will wear out parts. These two different metals expand and contract at different temperatures which can cause them to loosen as they heat up and cool down. 2. Lower the vehicle. This can cause lug nuts to loosen even if they are torqued to factory standards. Torque it to 75 ft.-lbs. If not addressed, the noise . Axle "Ping " is a phrase used to describe a variety of noises that can occur from the front of 1999 and newer Volvos. Improperly torqued lug nuts or bolts can also result in: Warped brake rotors brakes grabbing, pulsating or overheated. Early 1990's to 2005 use a 3/4" axle.