Honda Bmw 5 Service Manual
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330-25 Rear Suspension Remove rear control arm: Remove inner control arm bolt (A). Push shock absorber out of the way to slide bolt out. Detach plastic wiring harness support (B). Remove outer control arm ball joint nut (C). Press ball joint out of rear wheel bearing carrier. Installation is reverse of removal, noting the following: * Always use new self-locking nuts. Maite sure ail threaded bolts, nuts and mating surfaces are clean. Inner control arm mounting bolt must thread to front (bolt . head at rear). Make sure long lower shock absorber bushing fits in hole in suspension swing arm. * Tighten fasteners to final torque only after vehicle has been lowered and suspension has settled. Have car professionally aligned when job is complete. Tightening torques Control arm to subframe (M12) 110 Nm (81 ft-ib) Control arm ball joint to wheel bearing 142 Nm (105 ft-lb) carrier (M14) Quick coupling screw to air shocit absorber 2 Nm (18 in-lb) Road wheel to hub Shoclc absorber to lower control arm 127 Nm (94 it-lb) Upper front control arm (traction strut), removing and installing - Raise rear end of car and remove wheel. WARNING- Maice 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 < Mark location of inner control arm eccentric washer (rear toe
330-26 / Rear Suspension Remove inner control arm eccentric nut and bolt (A) Remove control arm ball joint nut (6). Press ball joint out of wheel bearing carrier. Lifl out control arm. Installation is reverse of removal, noting the following: Use previously made marks to install eccentric bolt and nut. Always use new self-locking nuts. Tighten fasteners to final torque only after vehicle has been lowered and suspension has settled. 0 Have car professionally aligned when job is complete. Tightening torques Road wheel to hub 120klONm (89 i7 ft-lb) Upper front control arm (traction strut) to 60 Nm (44 ft-lb) subframe (rear toe adjusting bolt) Upper front control arm (traction strut) to wheel 65 Nm (48 ft-lb) carrier Rear axle assembly, removing and installing (sedan models) In case of damage to the subframe, or if a pressed-in bushing is worn, remove subframe by removing complete axle assem- bly. - Raise car and remove rear wheels. 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. - Remove exhaust system. See 180 Exhaust System - Detach driveshaft from differential. See 260 Driveshaft. - Remove brake caliper and brake disc. Hang brake caliper aside with stiff wire. Do not disconnect brake fluid hose. See 340 Brakes. - Remove lefl and right ABS sensors from wheel bearing car- riers. - Disconnect parking brake cable from brake shoe expander. See 340 Brakes. - Remove heat shield from above driveshaft.
330-27 Rear ~uspensionl - If equipped, remove ride height sensor connectors. Support final drive unit from below using transmission jack (BMW special tools 00 2 030 and 33 4 390 or equivalent). NOTE- Special tool 33 4 390 will need modifications to cradle the ii- nal drive properly. 4 Remove right and left suspension trim panels (arrow) 4 Remove right and left lower strut mount bolts (arrow) Remove rear suspension subframe by removing 4 mounting bolts (arrows). Carefully lower rear suspension subframe away from body to remove.
330-28 Rear Suspension 4 To install, jack subframe into position. Install and tighten sub- frame mounting bolts. Note that on each bolt, rubber-coat- ed detent plate (arrow) must be installed at rear in driving direction. Tightening torques Rear subframe to body (M12) 163 Nm (120 ft-lb) - Remainder of installation is reverse of removal, noting the fol- lowing. Make sure long lower strut bushing fits in hole in wheel bearing carrier. 111 0 Tighten suspension arm and shoclc absorber fasteners to 502330036 final torque only afler vehicle has been lowered and sus- pension has settled. Have car professionally aligned when job is complete Tightening torques ABS pulse sensor to wheel bearing carrier 8 Nrn (6 ft-lb) Brake rotor to hub 16 Nm (12 ft-lb) Driveshaft CV joint to final drive flange - MI0 (Tow bolts) 70 Nm (51 ft-lb) MB (compression nut) 32 Nm (24 ft-lb) Rear brake pad carrler (caliper) to wheel 65 Nm (48 ft-lb) bear~ng carrler Rear strut to wheel bearlng carrler 127 Nm (94 ft-lb) Road wheel to hub 120210Nrn (89 57 ft-lb) Rear axle assembly, removing and installing (Sport Wagon models) Incaseof damage to thesubframe, or if apressed-in bushing is worn, remove subframe by removing complete axle assembly. In Sport Wagon models with conventional coil spring, lower subframe slowly, making sure rear springs stay on spring seats. In models with air suspension (EHC), disable the air supply pump, deflate the air springs and disconnect them from the wheel carriers before lowering the subframe. - Raise car and remove rear wheels. WARNING-
Rear Suspension - Remove exhaust system. See 180 Exhaust System. - Detach driveshaft from differential. See 260 Driveshaft. - Remove brake caliper and brake disc. Hang brake caliper aside with stiff wire. Do not disconnect brake fluid hose. See 340 Brakes. - Remove left and right ABS sensors from wheel bearing car- riers. Disconnect parking brake cable from brake shoe expander. See 340 Brakes. Remove heat shield from above driveshaft If equipped, remove ride height sensor connectors CAUTION- Models with air springs: Disable air supply pump by discon- necting electrical plug before performing any repairs. Pump is locatedbeneath a coverunder thespare tire in the floorof the carqo compartment. Models with air springs: Loosen compressed air pipes (ar- rows) at air distribution assembly to release system pres- sure. WARNING - Vehicle will lower when the air pipes are opened. 1 - 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. 4 Support final drive unit from below using transmission jack (BMW special tools 00 2 030 and 33 4 390 or equivalent). NOTE- Special tool 33 4 390 will need modifications to cradle the fi- nal drive properly 4 Remove right and left suspension trim panels (arrow),
330-30 I Rear Suspension Remove right and left lower strut mount bolts (arrow). Remove rear suspension subframe by removing 4 mounting bolts (arrows). Carefully lower rear suspension subframe away from body to remove. To install, jack subframe into position. Install and t~ghten sub- frame mounting bolts. Note that on each bolt, rubber-coat- ed detent plate (arrow) must be installed at rear in driving direction. Models w~th coil springs: Fit springs correctly in lower spring seats. Models with air suspension: Fit eccentric lug at bottom of air sprlng in recess of wheel carrier spring seat. Tightening torques - Air spring to wheel bearing carrier 20 Nm (1 5 ft-lb) Rear subframe to body (M12) 163 Nm (120 ft-lb) -
Rear Suspension - Remainder of installation is reverse of removal, noting the fol- lowing. Tighten suspension arm and shock absorber fasteners to final torque only afler vehicle has been lowered and sus- pension has settled. Tightening torques ABS pulse sensor to wheel bearing carrier 8 Nrn (6 ft-lb) Air line connection 2 Nrn (18 in-lb) Brake rotor to hub 16 Nrn (12 ft-lb) Driveshaft CV joint to final drive flange - MI0 (Torx bolts) 70 Nrn (51 ft-lb) - MB (compression nut) 32 Nrn (24 ft-lb) Rear brake pad carrier (caliper) to wheel 65 Nrn (48 ft-lb) bearing carrier Road wheel to hub 120ilO Nrn (89 i-7 ft-lb) Rear subframe mounting bushings, removing and installing - Remove rear subframe mounting bolts as described earlier. Lower subframe approximately 40 - 45 mm (1 -2 in). 4 Install BMW special tools 33 4 140,33 4 151,33 4 154,33 4 155,33 4 156 as shown. Use hot air gun with a maximum output temperature of 600°C (1100 F) to heat bushing area of subframe for no more than 2 minutes. Remove rubber mount from sub- frame. CAUTION- Aluminum suspension parts may be severely damaged witli intense heat * Heating for 2 minutes with the recommended heat source is intended to keep the temperature of the alu- minum parts below the safety threshold of 80°C (1 76°F). .
I Rear Suspension 4 When installing subframe bushing, be sure alignment arrows point front and rear. Coat new mount with CircolightB anti-friction agent. < Draw new bushing into subframe using BMW special tools 33 4152,334153,334154,334155,334157. - Remainder of installation is reverse of removal, noting the fol- lowing. * Tighten suspension arm and shock absorber fasteners to final torque only after vehicle has been lowered and sus- oension has settled. Rear wheel bearing carrier, removing and installing (sedan models) - 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 jaclc stands underneath struc- tural chassis points. Do not place jaclc stands under suspension parts. 4 With an assistant applying brakes, break free and remove staked collar nut (arrow). - Remove brake caliper and brake disc. Hang brake 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.
330-33 Rear ~us~ension/ 4 Remove ABS sensor mounting fastener (arrow) and sensor. 4 Remove outer swing arm nut (arrow) and bolt 4 Press out axle shaft using BMW special tools 33 2 117, 332116and332lll. - Support wheel bearing carrier. Remove lower strut mounting fastener.
(Rear Suspension < 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 shaft 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. T~ght- en collar nut firmly, but do not fully tighten it at this time. WARNING- For safety reasons, the ale 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 tlie bearing.