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