Honda Bmw 5 Service Manual
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330-35 Rear Suspension - Remainder of installation is reverse of removal, noting the fol- lowing. Always use new self-loclting nuts. Make sure all threaded bolts, nuts and mating suriaces are clean. Make sure long lower strut bushing fits in hole in wheel bearing carrier. Tighten fasteners to final torque only after vehicle has been lowered and suspension has settled. Stake axle collar nut after tightening. Tightening torques ABS pulse sensor to wheel bearing carrier 8 Nm (6 ft-lb) Brake rotor to hub 16 Nm (12 ft-lb) Rear brake pad carrier (caliper) to wheel 65 Nm (48 ft-lb) bearing carrier Rear axle shaft to hub (M27) 300 Nm (221 ft-lb) Rear strut to wheel bearing carrier 127 Nrn (94 ft-lb) Road wheel to hub 120+10 Nm (89 i7 ft-lb) Swing arm to wheel bearing carrier 256 Nrn (189 ft-lb) Upper front control arm (traction strut) to 65 Nrn (48 ft-lb) wheel carrier Upper rear control arm to wheel carrier 142 Nrn (105 ft-lb) Rear wheel bearing carrier, removing and installing (Sport Wagon models) - Raise rear end of car and remove wheel. WARNING- Make sure the car is firmly supported on jack stands de- signed for the purpose. Place jack stands underneath struc- tural chassis points. Do not place jack stands under suspension parts. Models with air springs: Disable air supply pump by discon- necting electricalplug beforepedormingany repairs. Pump is located beneath a cover under the spare tire in the floor of the cargo compartment. -- 4 Models with air springs: Loosen compressed air pipes (ar- rows) at air distribution assembly to release system pres-
330-36 l~ear Suspension - Working underneath rear suspension, lift wheel bearing car- rier to relieve rear spring tension. Then unbolt air spring mounting bolt from seat on wheel bearing carrier. - Models with rear coil springs: Remove cargo compartment floor carpet. Working at top of coil spring, press center cap down or pry upward to remove. If pushed down, remove from inside coii spring from under car. < Working from underneath, position BMW special tool 33 2 301 between 2nd and 3rd spring coii from bottom. Make sure tooi recess faces upward. Working in cargo compartment, guide BMW special tooi 33 2 304 from above and thread into special tool 33 2 301. 4 Working in cargo compartment, attach BMW special tools 33 2 302,33 2 303 and 33 2 305 to special tool 33 2 304. Use special tool 33 2 306 to compress spring. Tighten until lower spring coil lifts off sprrng seat on wheel bearing carrier.
Rear suspension/ 4 With an assistant applying brakes, break free and remove staked collar nut (arrow). - Remove brake caliper and brake disc. Hang bralte caliper aside with stiff wire. Do not disconnect brake fluid hose. See 340 Brakes. - Disconnect parking brake cable from brake shoe expander. See 340 Brakes. Remove ABS sensor mounting fastener (arrow) and sensor. Remove outer swing arm nut (arrow) and bolt.
I Rear Suspension 4 Press out axle shaft using BMW special tools 33 2 117. 33 2 116and332111. 4 Remove upper front control arm (traction strut) ball joint mounting nut (arrow). Press control arm ball joint out of wheel bearing carrier. - Repeat above process on upper rear control arm. - Remove wheel bearing carrier assembly. 4 When reinstalling, pull axle shafl through wheel bearing car- rier using BMW special tools 33 2 115, 33 2 116 and 33 2 118. - Lightly oil bearing surface of axle collar nut and install. Tight- en collar nut firmly, but do not fully tighten it at this time. WARNING- For safety reasons, the axle collar nut should only be tight- ened to its final torque with the wheel installed and the car lowered to the ground. However, loading the bearing without the nut tiqhtened suificiently may darnaqe the bearina.
330-39 I Rear suspension1 - Remainder of installation is reverse of removal, noting the fol- lowing. Models with coil springs: Fit spring correctly in lower spring seat. * Models with air suspension: Fit eccentric lug at bottom of air spring in recess of wheel carrier spring seat. Always use new self-locking nuts. - Make sure all threaded bolts, nuts and mating surfaces are clean. a Tighten fasteners to final torque only after vehicle has been lowered and suspension has settled. Stake axle collar nut afler tightening. Tightening torques ABS pulse sensor to wheel bearing 8 Nm (6 ft-lb) carrier Air spring to wheel bearing carrier 20 Nm (15 ft-lb) Brake rotor to hub 16 Nm (12 it-lb) Rear axle shaft to hub (M27) 300 Nm (221 ft-lb) Rear brake pad carrier (caliper) to wheel 65 Nm (48 ft-lb) bearing carrier Road wheel to hub 120ilONm (89 k7 ft-lb) Swing arm to wheel bearing carrier 256 Nm (189 it-lb) Upperfrontcontrol arm (traction strut) to 65 Nm (48 ft-lb) wheel carrier Upper rear control arm to wheel carrier 142 Nm (105 ft-lb) Rear wheel bearing, replacing < The rear wheel bearing is integrated with its mounting flange. 1. Torx bolt 2. Wheel bearing and mounting flange 3. Wheel hub 4. Collar nut - Raise rear end of car and remove wheel. WARNING - Make sure the car is firmly supported on jaclc stands de- signed for the purpose. Place jack stands underneath struc- tural chassis points. Do not place jack stands under suspension parts.
330-40 Rear Suspension 4 With an assistant applying brakes, break free and remove staked collar nut (arrow). - If equipped, disconnect brake pad sensor connector at brake caliper. - Remove brake caliper assembly and rotor. See 340 Brakes. Leave brake hose connected to caliper. Suspend caliper as- sembly from chassis using stiff wire. - Remove ABS pulse sensor at wheel bearing carrier. Remove drive flange from bearing assembly using impact style puller (BMW special tools 33 2 116, 33 4 201/202/203 or equivalent). CAUTION- The wheel bearing is destroyed when the drive flange is re- moved. Do not attempt to reuse bearing. 4 Remove four wheel bearing flange (Torx) bolts (arrows)
--. .. Rear Suspension 4 Remove wheel bearing assembly. 4 Remove inner wheel bearing race with BMW special tools 33 1 312 and 00 7 500 or equivalent. - Install new wheel bearing assembly. Malte sure mounting surfaces are free of dirt and grease. Tightening torques Wheel bearing to wheel bearing carrier (use new Tom bolts) Stage 1 30 Nm (22 ft-lb) Stage 2 90 torque angle 4 Reinstall wheel hub. Lightly oil wheel bearing and axle shaft contact surfaces on wheel hub. Use BMW special tools 33 2 115,33 2 116 and 33 2 118 or equivalent press tools to press wheel hub to bearing. CAUTION- BMWspecifies speclaltools to pull the wheel hub through the wheel bearing into position. If using alternative tools, be sure to support the bearing inner race when pressing orpulling the hub into place. - Lightly oil the bearing surface of the axle collar nut and install. Tighten collar nut firmly, but do not fully tighten it at this time. WARNING- For safety reasons, the axle collar nut should only be tight- ened to its final torque with the wheel installed and the car lowered to the ground. However, loading the bearing without the nut tightened sufficiently may damage the bearing.
330-42 /Rear Suspension - Install ABS sensor and road wheel. - Lower car to ground. With an assistant applying brakes, use new axle collar nut to tighten to final torque. Stake nut. - Remainder of installation is reverse of removal Tightening torques ABS pulse sensor to wheel bearing carrier 8 Nm (6 ft-lb) Brake disc to hub 16 Nm Rear brake pad carrier (caliper) to wheel 65 Nm (48 ft-lb) bearing carrier Rear axle shaft to hub (M27) 300 Nrn (221 ft-lb) Road wheel to hub 120F10 Nm (89 ?7 ft-lb) The rearstabilizer bar is mounted to the rear subframe and at- tached via stabilizer bar linlts to the lower swing arms. Stabilizer bar, removing and installing - Raise rear end of car. WARNING - Make sure the car is firmly supported on jack stands de- signed for the purpose. Place jack stands underneath struc- tural chassis points. Do not place jack stands under suspension parts. - Paint mark stabilizer bar on left side for ease of assembly. Remove stabilizer link fastener (A) on each side. Press out stabilizer link ball joints. Remove stabilizer support bracket fastener (B) on each side. Remove stabilizer bar. Installation is reverse of removal. Use previously made paint mark for reassembly. Tightening torques Stabilizer link to stabilizer bar 42 Nm (32 ft-lb) Stabilizer bar bracket to sublrame (ME) 22 Nm (1 6 fi-lb)
Rear Suspension Stabilizer bar link, removing and installing Remove stabilizer link mounting nut (arrow) at stabilizer bar. 4 Remove stabilizer link mounting nut (arrow) at swing arm - Press out stabilizer link ball joints - Installation is reverse of removal Tightening torques Stabilizer link to swing arm 65 Nrn (48 ft-lb) Stabilizer link to stabilizer bar 42 Nm (32 ft-lb)
--- Rear Suspension ELECTRONIC HEIGHT CONTROL (EHC) COMPONENT REPLACEMENT Sport Premium rear suspension is an option on Sport Wagon models and standard on 1999 and later V-8 Sport Wagons. This suspension incorporates electronic height control (EHC) using air springs. With vehicle lifted off the ground, if the rear air springs can be compressed by hand, either the spring is defective or the sys- tem is depressurized. Locate EHC faults using BMW scan tools DIS or MoDiC. EHC description and some troubleshooting is covered in 300 Sus- pension, Steering and Brakes-General. Air spring replacement is covered earlier in this chapter. See Air spring, removing and installing. CAUTION- Maintain high levels of cleanliness around air line connec- tions when disassembling and assembling air suspension components. Even small dirt particles can cause leakage in the pressurized system. Electronic height control (EHC) components 1. Air spring 2. 1 liter air reservoir 3. EHC control module 4. Air supply distributor 5. Airsupply pump (under spare tire) 6. Air spring mounting bolt (at wheel bearing carrier) 7. Rear ride height sensors (Hall effect) 8. Air supply pump relay