Question type: Maintenance & Repair. Worn wheel bearings usually cause play in the wheel. I didn't find a serious amount of metal shavings. Dial indicator and a magnet base, specs should be in the manual. There's a loud woomp woomp woomp noise audible inside the car, and is definitely something in the rear. On mine (and many others) it was the center diff making the noise. Driving my 98 Subaru down the highway I hear no rear end noise or clunking, turn right or left hear and feel clunking. Diagnosing Differential Noise. Something about laying under it on jack stands while driving is a little bit frightening to me. But there are times when a noise coming from under the car can be a serious matter. I've read that locking up the back end with the e-brake is one quick way to ruin something. After having my 2007 Subaru Forester serviced the mechanic informed me that the "diff" is making a noise and I will have to have it repaired, which will be a big job. 4.111. For a better experience, please enable JavaScript in your browser before proceeding. My 03 forester has an issue with the rear diff. That’s why it is important to know the other warning signs of a bad bearing before just going in and replacing it. Agreed. Differential If you’re hearing gear whine, clunking, or bearing noise from your rear differential, it may be This has happened several times and has been taken to the dealership for diagnostics and repairs. (Rear). Yep achey breaky wheel bearings are a known Subaru weak point. Don't touch the diff, and you don't need to be under the car. Front wheels chaulked. 4.111. The center differential consists of a set of bevel gears and a viscous coupling. Video: On-Track Review of the Racelogic Performance Box Touch, How the Right Fastener Can Prevent Hardware Failure on Track, Tech Tips: 1997–2012 Porsche Boxster and Cayman (Plus 1997–2004 Porsche 911), Join Racers360 as Randy Pobst, Ken Hill and Dion von Moltke Discuss the Future of Motorsports. Generally speaking, it should not cost more than $400 to repair most rear or front differentials. A forum community dedicated to Subaru Impreza GC8 and RS owners and enthusiasts. Useful Fabrication Tips for Just About Any Project, ProSolo Prep Work: Coil-Overs, Wilhelm Raceworks Suspension Parts | Project Toyota MR2, Suspension Bushings Are Small Yet Important Pieces of Your Suspension System, Installing Lifeline’s Compact, Efficient Novec 1230 Fire-Suppression System | Project LS-Powered 350Z, Now Through the End of the Month: One Year of Grassroots Motorsports for Only $14.99, Collecting Mustang Parts | Project Vintage Race Mustang, Finding Peace on the Rally Stage | Coming Soon To an Issue Near You. Buy OEM 2003 Subaru Part # 27011AA660. The new Subaru Global Platform sees dramatic increases to body rigidity through the use of more high-tensile materials. If its a grinding humming noise its wheel bearings, listenin to see if theyre coming from the front or rear, left or right, or both when your driving to know what wheel bearing are bad. How can I tell if its the bearings in the diff or the axles? Front wheel bearings were done within the year. ... rear diff noise while turing, more a clunk sound. Differential. Wheel bearing noise will typically change during a 'lane change' type maneuver, diff noise won't. Buy OEM 2000 Subaru Part # 27011AA660. (Rear). After unbolting the 4 bolts on the hub I just give a liberal dousing with ATF/acetone (or your poison of choice) and a slidehammer with adapter. Anyways on the Legacy I really dont have any secrets or anything. 4.111. © 2021 Motorsport Marketing. With the Impreza you have to remove a long bolt for the lower arms so you can pull the hub off the axle. The idea had crossed my mind though. Pop ball joint and tie rod, pull out on knuckle with weak hand while hammering on it with the air chisel fitted with a dull pointed driver. Your Subaru Outback is an investment, so always equip it with the best components: Genuine Subaru Outback Parts. The gear oil could just be tired and broken down. one suggested "fix" is to vary the tire pressures front/back. Differential If you’re hearing gear whine, clunking, or bearing noise from your rear differential, it may be Have our technicians examine your 2012 Subaru Forester to determine the best course of action. But that usually only happens with northern transplant subies. Differential. Spin rear wheel on one side and listen. Buy OEM 1986 Subaru Part # 27011AA660. Passed inspection and seemed to be in good shape. It could be wheel bearings, a rear differential or front differential. Front differential unit failed from lack of lubrication, Subaru stated that independent facilities mistakenly drained the differential fluid instead of engine oil during oil change because of the close proximity of plugs, the differential pan and oil pan nees to be properly labeled. Axle nut is off; caliper, bracket and rotor - off. yeah i get this too, a slight whine during engine braking seemingly coming from the rear diff. I don't work on a lot of Subarus, but I've seen plenty with bad wheel bearings. This usually happens when the bearings start going bad, which makes noise. Hey everyone, I have a 2000 Impreza OBS, 2.2l manual and since a few months after I bought it, you can hear a sort of grinding noise coming from the rear, from where I assume is the differential.

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