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. How do you check if a bolt is over torqued? They brought out the manual torque wrench and muscled 4 of those loose. Fuel Tanks and Pumps. In the case of a 2005 Mustang, Ford recommends using 100 lb-ft of torque to properly secure the car's lug nuts. Sometimes the lug nuts can loosen and could cause a clicking or popping sound. The sway bar end links are probably the most common culprits to cause a clunking noise. They allow the transmission to drive a car's wheels and open up a range of motion with bearings. Signs of a worn wheel hub bearing vary in severity. The other cause is a failure of the hub and wheel bearing assembly. A length of pipe over a breaker bar and 6 pt socket will remove the nut. 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 . An impact wrench will be your friend here as it can help you safely secure the 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. 6 Reasons a Motorcycle Chain Comes Loose. How to Fix Rear Axle Click. 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. The axle nut I torqued 06 NISM O KC 4x4 6sp. Change the axle nut. This might cause improper preload on the rear wheel bearings, possibly leading to premature bearing wear. I guess they consider it a wear item. Step 2 - Check the axle nuts. Use a 17mm hex bit socket to remove the axle bolt from the hub. Screw on the new castle nut onto the ball joint shaft. How To Torque Axle Nut The axle nut is 32mm. 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. Worn Sprocket Teeth. The noise can range from a rhythmic thumping to pitchy groaning hum. It will also leave your spindle nut under or over torque resulting in hub assembly failure. Warped Rotor Symptoms: Ford F150. Position the wheel knuckle onto the axle housing. Symptoms of Rear Axle Click. Temperature. Spicer ultra-premium synthetic grease is compatible with all NLGI-2 greases, and delivers professional-grade quality, even at high temperatures. . Symptoms of this issue include a grinding noise audible to the driver and caused by loose rear wheel axle nuts. Causes of Rear Axle Click on the 09-20 370Z. The axle nuts are torque-conditioned which means they are good for only one use. Loosen the axle nut until it is freely loose, then finger-tighten the axle nut. Some may be difficult to detect, leading to damage before corrective action can be taken. I used a 1/2 drive electric impact gun and just let the gun completely bottom out, kept going till nut stopped turning. In my case, they popped out rather easily. Lower the vehicle to the ground. Install the wheel and lug nuts. If unaddressed, the wheel bearings will seize, the wheel itself will come off. A: Noise is the most common symptom of a bad wheel bearing. 6. This might cause improper preload on the rear wheel bearings, possibly leading to premature bearing wear. Over-tightening Your Chain. 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. 1 1/4" socket fits the 32mm spindle nut: torque to 134 lb-ft. Ball joint nut: torque 36 to 43 lb-ft. Check the Lug Nut Torque. 2. Torque checked..not re-torqued. on. Over time, repeated heavy acceleration can cause the rear wheel axle nuts to lose proper torque. If it is loose, the spacers will move in the wheel and against the swingarms. pails (SPL1052). Pry down on the control arm and watch the ball joint to see if it stretches the boot. 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. Tighten the lug nuts in a star pattern, alternating from any lug nut to one that is directly across from it. By. Warning: Inadequate lubrication can cause driveline failure, which can result in . 2005 to 2007 use a solid axle. Use a qualified, calibrated torque wrench. Spicer ultra-premium synthetic grease is available in 10-packs of 14-oz. The first step is to examine the rubber boots located on the axle shaft close to the wheel. However, some models might have a larger 32mm nut, so that you will need a 32mm bi-hex socket. Improperly torqued lug nuts or bolts can also result in: Warped brake rotors brakes grabbing, pulsating or overheated. If not addressed, the noise . 2. It is pointless to replace only the CV joints in your vehicle without knowing the condition of the boot. This might cause improper preload on the rear wheel bearings, possibly leading to premature bearing wear. An under-torqued assembly can reduce the bearing's lifespan or even cause the bearing assembly to fail. Symptoms of this issue include a grinding noise audible to the driver and caused by loose rear wheel axle nuts. See if the lug nuts have the proper torque. Popping, squeaking, wheels wobbling, vibrations and many other symptoms can occur when the rear axle to spindle/knuckle retaining nuts lose their clamping force. 1. However, there are other potential signs as well, such as vibrations while driving. Hitting it will help to free up the joint. See if the lug nuts have the proper torque. Purchase a specially-designed aftermarket nut that has locks built in so it can be torqued without loosening. Also, If the nut is too loose, it can cause the same symptoms as a failed ball joint, which may lead to unnecessary replacement. 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. . 1. Attach the steering knuckle to the suspension strut, align the mounting holes, and push in the two (2) bolts. Belonging to a now retired minister, this vehicle has seen near constant use since it was purchased used back in 2011. Cracks in brackets or the frame due to degraded shock dampening performance. Break-In Period. Check the Brake Caliper, Struts, and Behind the Wheel for Grease. Recheck the tightness of the lug nuts after the vehicle has been driven 100 miles. I am seeing this almost on a weekly basis at this point, both with stock and aftermarket set-ups. 4 More Late Symptoms of a Loose Chain (Motorcyclists can avoid These Via Routine Chain Maintenance) Maintenance and Prevention. Torque it to 75 ft.-lbs. During removal, an impact wrench can damage the axle nut threads and shock the CV joints. If not addressed, the noise . The timeframe in which damage occurs is linked to driving conditions and/or the mechanical practices that were followed at installation. 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. Nov 25, 2015. The impact gun will damage the axle nut. . One is a failure of the wheel mounting system, such as the wheel studs, lug nuts, etc. Do NOT roll the vehicle until the axle nut has been properly torqued or damage to the front wheel bearings will result. 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. If the nut is loose the bearings will not be seated so you will get a "mixed" symptom. Im 99% sure over tightening the axle nut will NOT effect the trans in anyway. Torque checking is making sure the torque has not changed and is as it should be. Wheel vibrations can also happen if the lug nuts aren't properly torqued. The axle nut tightness should have no effect on how freely the wheel spins. xile6 said: As others said. Feb 4, 2020. Noise is a classic sign of a bad wheel bearing or wheel hub bearing. Andrew Markel discusses bearing installation and how the torque specification of axle nuts should be closely followed. 2008 and up use a hollow axle. Torque it to 100 ft.-lbs. Spray the axle nut with rust penetrant. You can replace the axle boots or the external CV (constant . 5. Jump to Latest Follow 1 - 2 of 2 Posts. Tighten the lug nuts with a torque wrench to the manufacturer's recommended settings, which is usually around 90 foot-pounds. Torque it to 62 ft.-lbs. Removing the axles is not a bad job, but plan to spend about half the day replacing it. One of the symptoms of a failed inner CV joint is lateral (side-to-side) shaking or vibration during acceleration. . Such is the story for the above pictured vehicle, a 2008 Dodge Grand Caravan SXT with nearly 300,000 kms on the odometer. And this is the time to fasten the axle nut if needed. Job time around 35 mins per side. 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. The axle nut on the 370Z and its retainer stretch apart and loosen despite the extra security from the cotter pin. This is also one of the most noticeable and the most common signs. This can leave a hub assembly susceptible to failure. 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 . Being too loose or over-torqued can lead to stud breakage and damage to the steering knuckle. solbey11. . Screw on the bolt nuts and torque down. To check your ball joint, remove the sway bar link from the control arm. Then use a 17mm socket to remove the lug bolts. No, it does not have to be lifted off the ground to do this. The torque wrench is used to tighten only. I torqued it to 120 ft-pounds and all seems good. CV axles, or constant velocity axles, come into play. Pre-tighten the nut to 47 Nm (35 lb-ft). with the wheels on the ground. It's not uncommon to see cars with over 300,000 miles that still have original CV-joints. Andrew Markel discusses bearing installation and how the torque specification of axle nuts should be closely followed. Andrew Markel discusses bearing installation and how the torque specification of axle nuts should be closely followed. Since the bolts are splined, the bolts must be hammered into the steering knuckle. The threaded part of the ball joint is a taper fit. It indicates a major misalignment in the wheel or suspension. 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. All of the above can be signs that your torque rods are cracked/broken or worn bushings and need to be checked/replaced immediately. Also, If the nut is too loose, it can cause the same symptoms as a failed ball joint, which may lead to unnecessary replacement. Increase tire life and reduce seal failure with the Pro-Torq axle spindle nut. You can do the math and imagine how easy it would be to over-torque this pony car's wheels using this tool. 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 . You can expect the parts cost to be anywhere from $320 to $750, while the labor costs are only around $150 to $190. 4 level 2 miyata_fan A loss of ride height. A typical air impact wrench generates 900 lb-ft of torque. By . 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. With the vehicle's brakes applied, torque the axle nut to 180 ft. lbs. 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. These two different metals expand and contract at different temperatures which can cause them to loosen as they heat up and cool down. An axle nut that is too tight will put too much preload on the hub bearings thus diminishing their life expectancy. Step 1 - Check the sway bar end links They might be loose. Andrew Markel. Slide the axle nut retainer onto the spindle, replace the cotter pin and bend the cotter pin tabs over. Install the new cotter pin and bend in place. If you have a rear wheel or four wheel drive vehicle which has a long drive shaft to power the rear wheels, then . When CV joints get worn out, the joints become very loose and make clicking sounds when turning. Two primary failures cause wheel runoff crashes. A quick follow up on this, I've gone about 2000 miles so far on the new axle and axle seal and pinion seal. Sometimes the lug nuts can loosen and could cause a clicking or popping sound. Read on to learn an important tip for torquing the stud nut on a MOOG ball joint. The front drive axle on BMW E60 all-wheel drive models connects the front differential to the front drive wheel. Always Check for Proper Stud Fitment Be sure to follow the torque sequence shown above for your specific lug count. Then carefully inspect the threads for damage. Nobody cares about break free torque and the wrench isn't designed to handle excessive leverage. What are the signs and symptoms? 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. Note: Being too loose or over-torqued can lead to stud breakage and damage to the steering knuckle. 2) The pitch changes or disappears with throttle variation. 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. Shuddering. An axle may also become noisy or create a vibration. The axle nuts can get loose, or may not have been torqued down properly. Pull the axle out of the knuckle. Make sure the axle nut is torqued to spec. You're almost done - lower the vehicle. . These two different metals expand and contract at different temperatures which can cause them to loosen as they heat up and cool down. If the axle is seized to the flange, thread the bolts in by hand. Regardless, it was the best $110 (hub assembly+axle nut) I spent on the Jeep so far because the noise was driving me crazy! I'm pretty sure it is 72.5 ft/lbs in the service manual. 3. 3. Most wheels today are made of an aluminum alloy and are held to the hub with steel lug nuts. In most cases, you will need a 27mm hex nut socket. First, you need the proper tools. One axle nut was loose as a goose. Once greased, tighten the nut again (I think the torque is 177lbs) and this will draw the axle back out. Early 1990's to 2005 use a 3/4" axle. 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. Change the wheel. Loose end links are a common cause of clunking noises while driving over bumps. Most wheels today are made of an aluminum alloy and are held to the hub with steel lug nuts. Hammer the . Damaged threads on the wheel stud All later models using the weld and cone nuts must torque the cone nut to 100 ft.-lbs. Do not use an impact gun to install the axle nut. just hand tighten. Temperature. (129 Nm). The CV axle is composed of those bearings . 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.) To lose and the bearings come out. Tighten the lug nuts with a torque wrench to the manufacturer's recommended settings, which is usually around 90 foot-pounds. I used gasket shellac around the edges of both seals and waited a day before refilling with oil. tubes (SPL1051), and 1-gal. If you're just replacing a half-shaft for your front wheel drive car, then it will cost anywhere from $470 to $940. 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. Ensure that you have the correct torque for the application by referring to SKF 457377 torque specification guide or It's one of the most definitive bad wheel bearing symptoms and among the earliest signs of an extreme mechanical damage. These are all symptoms of a failing constant velocity joint on one of the front drive axles or "halfshafts," as many people call them. 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. Can a loose axle nut symptoms? Rattling sounds or increased road noise. The axle nut will also have to be re-torqued to the specified torque after the repair is completed. 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. Tips. This can cause lug nuts to loosen even if they are torqued to factory standards. Recheck the tightness of the lug nuts after the vehicle has been driven 100 miles. Push the CV axle shaft through the new wheel hub and screw on the CV axle shaft nut. Unusual tire wear, feathering, cupping or odd tread patterns. Lower the vehicle to the ground. May 25, 2022. 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. Lower the vehicle. Check the Lug Nut Torque. Remove the 14mm bolts from the axle. Over time, repeated heavy acceleration can cause the rear wheel axle nuts to lose proper torque. It can also create a false sense of security when adjusting a nut or bolt, which may be under or over torqued. 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. Tap the axle nut with a dead blow hammer to create play. Solid axle nuts (non-quick-release type wheels) 29.4-44: 266-390: 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. Install the nut onto the lower ball joint. Do not tighten the nut at this time. Axle bolt socket size. Tighten the lug nuts in a star pattern, alternating from any lug nut to one that is directly across from it. Too loose is no bueno either. 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 . . Poor Fitting Chain. At low speeds, you will be able to feel the vibrations, while at higher speeds, they'll manifest as humming sounds. This is bad and will wear out parts. Double check that they are snugged really tight, and try to tighten a little further. (244 Nm). Check the repair manual for . I had a knocking sound when going over bumps in my friends dad's Legacy. Remove the bolts from the ball joint with a 17mm socket and breaker bar. Check the Brake Caliper, Struts, and Behind the Wheel for Grease. The symptoms are classic for a differential pinion that, over time, has lost the factory pre-load settings. The axle boots fail over time. Most commonly, these failures are related to improper or deferred maintenance, but some are also linked to manufacturer's defects. This can cause lug nuts to loosen even if they are torqued to factory standards. . No leaks or issues so far. Fuel Starvation I use to skateboard and of you over tighten the bolt the wheels don't spin. Step 1: Remove the axle nut. OEM and bearing manufacturers always recommend using a torque wrench for installation. 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. Torque checked..not re-torqued. Step 1: Check The Boots. Pinion pre-load is lost gradually over the life of the differential as the bearings and or . No, it does not have to be lifted off the ground to do this. Damage to the lug nut seating surface of alloy wheels. When replacing a ball joint, the stud nut must be torqued to the proper specification. The symptoms are: 1) The whine usually starts after the differential oil has warmed up. Worn Chain Tensioner. 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 . If you still can't get it out, you'll need to use a ball joint separator tool. Figure 1. If not addressed, the 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. Do not tighten the nut at this time. 4. Also, CV joints are inspected for signs of cracks, rips, tears, and punctures, which causes grease to leak out and dirt in. 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. If the noise is only happening while traversing over bumps or potholes, this is your most likely cause. Jack up the front of the car and place it onto jack stands. Axle "Ping " is a phrase used to describe a variety of noises that can occur from the front of 1999 and newer Volvos. Knowing its condition can help determine whether or not the CV joint needs replacement. Loose Axle. When installing the new control arm, snug up the nut and torque the nut to 70Nm ( 52ft/lbs.) Remember, the weld nut must remain stationary while torquing the cone nut. Over time, repeated heavy acceleration can cause the rear wheel axle nuts to lose proper torque. Install the insert and the castellated nut onto the upper ball joint. The basics of torque and torque wrench use on bicycles, including a table of various torque spec recommendations. Tighten the lower ball joint retaining nut. Sponsored by FAG. Insert the split pin again and put the wheel back on - great now you have no more clicking! When I spun the hub I could feel and faintly hear a clicking in the bearing. VIDEO: Can You Over-Tighten An Axle Nut? It appears to be most common on XC90, S60R and V70R . What happens if you don't fix your CV axle? Torque checking is making sure the torque has not changed and is as it should be. If your F30 has xDrive, you need to remove the axle from the hub to have enough space to remove one of the arms. Torque the lug nuts, in sequence, to 95 ft. lbs. 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. Slide a long sturdy bar, or prybar between the arm and axle shaft. brianwk2.