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Land Rover Defender 1999 2002my Workshop Supplement Body Repair 3rd Edition Rover Manual
Land Rover Defender 1999 2002my Workshop Supplement Body Repair 3rd Edition Rover Manual
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47PROPELLER SHAFTS 2 OVERHAUL PROPELLOR SHAFT - REAR Service repair no - 47.15.12 Remove 1.Remove rear propeller shaft.See Repair. 2.Thoroughly examine universal joint for signs of damage or wear. 3.Clean universal joint bearing cups and circlips. CAUTION: To ensure correct assembly and reduce possibility of imbalance, before removing propeller shaft joint mark position of spider pin relative to journal yoke ears. 4.Remove circlips. 5.Remove grease nipple. 6.Tap yokes to eject bearing cups. 7.Remove bearing cups. 8.Remove spider. 9.Clean yokes and bearing cup locations.Refit 10.Remove bearing cups from new spider. 11.Check all needle rollers are present and positioned in bearing cups. 12.Enter new spider with seals into yokes of propeller shaft flange. 13.Partially insert one bearing cup into flange yoke and enter spider trunnion into bearing cup. 14.Insert opposite bearing cup into flange yoke. 15.Press both cups into place. 16.Press each cup into its respective yoke up to lower land of circlip groove. Damage may be caused to cups and seals if cups pass this point. 17.Fit circlips and check no end float exists. 18.Fit grease nipple and lubricate. 19.Repeat instructions for opposite end of propeller shaft as described in 3 to 9. 20.Fit rear propeller shaft.See Repair.
51 - REAR AXLE AND FINAL DRIVE CONTENTS Page DESCRIPTION AND OPERATION DESCRIPTION 1..................................................................................................... FAULT DIAGNOSIS FAULT DIAGNOSIS 1............................................................................................. REPAIR REAR AXLE 1......................................................................................................... REAR HUB ASSEMBLY - 90 3............................................................................... DIFFERENTIAL ASSEMBLY - 90 5........................................................................ OVERHAUL DIFFERENTIAL ASSEMBLY - 110/130 1............................................................... REAR HUB ASSEMBLY - 90 10............................................................................. REAR STUB AXLE - 90 12..................................................................................... REAR STUB AXLE - 110/130 13............................................................................
REAR AXLE AND FINAL DRIVE 1 DESCRIPTION AND OPERATION DESCRIPTION The welded steel rear axle casing houses a separate spiral bevel type differential unit, which is off set to the right of the vehicle centre line. The differential unit drives the rear wheels via the axle shafts and fully floating hubs which are mounted on tapered roller bearings. Lubrication The differential is lubricated with oil and the hub bearings with grease.The hub bearings are fitted with inner and outer seals. The outer seals prevent the differential oil mixing with the hub grease and the inner seals prevent dirt ingress into the hub. Ventilation Ventilation of the hub bearings is through the outer oil seals and the differential ventilation pipe, which terminates at a high level. Rear axle hub - 90 1.Axle casing 2.Ventilation pipe 3.Axle shaft 4.Wheel studs and hub 5.Wheel bearing stub axle6.Wheel bearings 7.Inner hub seal 8.Outer hub/axle shaft seal 9.Hub lock plate, thrust washer and nuts 10.Brake disc
51REAR AXLE AND FINAL DRIVE 2 DESCRIPTION AND OPERATION Rear axle hub - 110/130 1.Axle casing 2.Ventilation pipe 3.Axle shaft 4.Wheel studs and hub 5.Wheel bearing stub axle 6.Wheel bearings 7.Inner hub seal8.Outer hub/axle shaft seal 9.Hub lock plate, thrust washer and nuts 10.Brake disc 11.Drive flange 12.Drive shaft circlip 13.Dust cap
REAR AXLE AND FINAL DRIVE 1 FAULT DIAGNOSIS FAULT DIAGNOSIS Complaint - Oil leaks An external leak of lubrication from the hub seals can be caused by a faulty internal seal. For example, if the seals which separate the differential from the hubs are faulty and the vehicle is operating or parked on an embankment, oil from the differential may flood one hub resulting in a lack of lubrication in the differential. When a seal is found to be leaking check the axle ventilation system, as a blockage can cause internal pressure to force oil past the seals. See’Description and Operation’for illustrations of oil seal locations. When investigating hub seal leaks check the grease for dilution with oil. Also check the differential oil level, for signs of metal particles in the oil and the condition of internal seals. If the vehicle is driven in deep water with defective oil seals, water may contaminate the lubricants and raise the differential oil level, giving a false impression that the housing has been over filled. Do not assume that a high oil level in the differential is due to over filling or, that a low level is because of an external leak.
REAR AXLE AND FINAL DRIVE 1 REPAIR REAR AXLE Service repair no - 51.25.01 Remove WARNING: Remove and refit of axle requires a further two persons to steady the axle when lowering or repositioning axle. 1.Drain brake system. 2.Support chassis rear. 3.Remove road wheels. 4.Support axle weight with hydraulic jack. 5.Disconnect shock absorbers. 6.Disconnect flexible brake hose at RH chassis side member and breather hose at banjo connection on axle casing. 7.Disconnect lower links at axle.8.Mark differential and propeller shaft flanges with identification marks for assembly. 9.Remove 4 nuts and bolts, lower propeller shaft and tie to one side. 10.Disconnect pivot bracket ball joint at axle bracket. 11.Release bolts and remove coil spring retaining plates. 12.Lower axle and remove road springs. 13.If applicable, remove anti-roll bar links at axle See REAR SUSPENSION, Repair. anti-roll bar. 14.Remove axle assembly.
51REAR AXLE AND FINAL DRIVE 2 REPAIR Refit 15.Position axle and fit lower links. Tighten fixings to176 Nm (130 lbf/ft). 16.If applicable, fit anti-roll bar links to axleSee REAR SUSPENSION, Repair. Anti-roll bar links. 17.Raise axle and locate road springs. 18.Fit coil spring retaining plates and secure with fixing bolts. 19.Secure pivot bracket ball joint to axle bracket. Tighten fixing to176 Nm (130 lbf/ft). 20.Align propeller shaft to differential drive flange and tighten fixings to47 Nm (35 lbf/ft). 21.Reconnect flexible brake hose and axle breather hose. 22.Refit shock absorbers. 23.Fit road wheels and tighten to correct torque: Alloy wheels -130 Nm (96 lbf/ft) Steel wheels -100 Nm (80 lbf/ft) Heavy Duty wheels -170 Nm (125 lbf/ft) 24.Remove rear chassis support. 25.Bleed brake systemSee BRAKES, Repair. brake system bleed.
REAR AXLE AND FINAL DRIVE 3 REPAIR REAR HUB ASSEMBLY - 90 Service repair no - 64.15.01 Remove 1.Place rear axle onto axle stands and remove road wheel. 2.Release brake hose clips and remove brake caliper bolts. Secure to one side. WARNING: Take care not to kink brake hose. 3.Remove 5 bolts and withdraw axle shaft. 4.Remove joint washer. 5.Bend back lock washer tabs. 6.Remove locknut and lock washer. 7.Remove hub adjusting nut. 8.Remove spacing washer. 9.Remove hub and brake disc assembly complete with bearings. Rear hub components - 90 1.Axle shaft. 2.Axle shaft joint washer. 3.Axle shaft retaining bolt. 4.Lock nut. 5.Lock washer. 6.Hub adjusting nut. 7.Spacing washer.8.Outer bearing. 9.Hub. 10.Inner bearing. 11.Grease seal. 12.Brake disc. 13.Disc retaining bolt.