Honda Bmw 5 Service Manual

							
Final Drive 
Final drive  input shaft seal, replacing 
- Remove exhaust system.  See 180 Exhaust System 
- Remove drive shaft.  See 260 Driveshaft. 
< Lift out collar  nut locking plate (arrow). 
4 While counterholding  drive flange with special BMW tool  23 
23 0 020 0 020 loosen and  remove collar  nut.   
						

							
/Final Drive 
4 Remove final drive  input flange  using BMW special tools 31 
2 101,31 2 102,31 2 103 and 31 2 104 or equivalent. 
Using  BMW special tool 
00 5 010 or equivalent remove seal 
from  final  drive housing. 
1 
4 Drive new  seal into place until its fully  seated using BMW 
special tools 
00  5 500,  33 3 440 and 33  3 470 or equivalent.   
						

							
331-9 
Final Drive 
Coat drive flange sealing area  and seal lip with differential  oil. 
* Install drive flange  on pinion shaft. 
Using 
BMW special tools  23 1 300,33 1 341 and 23 1 302 
press  drive flange  on to pinion shaft  only to extent  as to al- 
low collar  nut to  be installed. 
4 Tighten  collar  nut only until previously  marked points are 
aligned  (arrow). 
CAUTION- 
Do not underany circumstances tighten  collarnut beyond the 
markedpoints, 
othe~lise clamping  sleeve will have  to be  re- 
placed. 
- Using a suitable drift,  install new collar nut locking plate 
Stalte  plate in  place. 
- Remainder  of installation  is reverse  of removal. 
- Check  and, if necessary, set differential oil level. See Differ- 
ential  oil level,  checking. 
Tightening torque  Driveshaft 
CV joint  to final drive  flange 
MI0 (Torx bolt)  70 Nrn (51 ft-lb) 
ME (compression nut)  32 Nrn (24 ft-lb)   
						

							
. . 
Final Drive Final drive  output shaft seals, replacing 
- Remove exhaust  system (if necessary).  See 180 Exhaust 
System. 
Remove drive axle 
CV joint  bolts 
axle from  body  using stiff wire.  (arrows). 
Suspend drive 
4 Drive out final drive output flange  using soft faced  hammer. 
4 Remove seal using BMW special tool 00 5 010 and 32 1 060 
or equivalent.   
						

							
331-1 1 
Final   rive( 
< Coat seal with differential oil and  drive into place  using BMW 
special tools 00 5 500 and 33 4 250 or equivalent. 
Replace snap ring  (arrow) on final  drive output flange shaft. 
Coat output  flange 
shaft with differential  oil where it con- 
tacts  shaft  seal. 
. Push  output flange into  final drive until flange  splines en- 
gage  splines  of differential  gear  and snap  ring can  be 
heard  to  snap  into place. 
- Remainder  of installation is  reverse of removal. 
Check  and, if necessary, set differential  oil  level.  See Dif- 
ferential  oil level,  checking. 
Tightening torques  Drive axle  to final  drive  flange 
Torx  bolts 
(M10) 83 Nm (61 ft-lb) 
Torx bolt with  ribbed teeth (M10) 64 Nm (47 it-lb) 
Torx bolt with  ribbed teeth (Mi0 silver)  80 Nm (59 ft-lb) 
Torx bolt with  ribbed teeth (MI0 black) 100 Nm (74 ft-lb) 
- Torx bolt with  ribbed teeth (M12) 135 Nm (100 ft-lb)   
						

							
331-12 
Final Drive Final drive cover, removing and installing 
- Remove final drive.  See Final  drive, removing  and install- 
ing. 
I 1 4 Remove  fasteners  (arrows) from rear cover  and remove cov- 
er. 
Clean  cover and final drive housing sealing surfaces. 
Install  new 
gasket with cover. 
* Installation is reverse  of removal. 
- Check differential oil  level. See Differential  oil level,  check- 
ing. 
Tightening 
torque 
Final drive  cover to final drive housing 
. M10 (8.8  grade) 45 Nm (33 ft-lb) 
M10 (10.9  grade) 90 Nm (66 ft-lb) 
Final drive mounts, replacing 
- Remove  final drive.  See Final  drive,  removing  and install- 
ing. 
Rear  final drive  mounts 
- Remove rear final drive rubber mounts  using BMW special 
tools333314,333315,334 181, and334  183. 
4 Coat  new mount with CircolightB anti-friction  agent  and in- 
. 
stall,  noting  the following: 
Long  bushing on  mount must face forward  (arrow). 
A shows  installation position  of mounts.   
						

							
Final Drive 
Front final drive mount 
4 Remove  front final  drive mount  using BMW special tools 33 
3312,333314,  333315,334161 
and334162. 
I i 4 Coat bearing  sleeve in rear  axle carrier  and rubber mount 
with 
~ircolight~ anti-friction  agent. 
Slide  rubber  mount from side with large  diameter  into 
BMW  special  tool 33 
4 165. 
Milled  recess 
(A) makes firm contact  with rear axle carrier 
when top  rubber mount is tightened down. 
The 
slolled srde ot r11e rubber mounl must be ar r#ghl angles 
lo 
rhe groove rn specal roo/ 33 1 165 and  shoulo  be lrghrened 
I down ~ransversely across  the vehicle  axis. I 
Draw rubber mount  in firmly  with BMW special tools  33 3 
314,333315,334164,334165and334166. 
NOTE- 
Male  sure special tool 33 4 166 is properly  seated. 
0 Rubber mount must locate  flush in rear  axle  carrier.  If nec- 
essary,  rotate special tool 
33 4 164 through 90 and draw 
in  overlap. 
- Remainder  of installation  is reverse  of removal   
						

							
Final Drive 
Drive axles use constant-velocity (CV) joints on both ends. 
For replacement  parts, only CV joint boots  or complete  axles 
are offered  by BMW.  The procedure for drive axle removal 
varies for sedan  and sport  wagon.  Follow the appropriate pro- 
cedure  below. 
Drive axle assembly 
1. lnner CV joint 
2. Drive axle 
3. Outer  CV joint 
4. Collar  nut 
5. Outer CV boot  kit 
6. lnner  CV boot  kit 
7. Circlip 
8. Dust cover 
9. Reinforcement 
10. Torx  bolt 
Drive axle, removing and installing (sedan) 
4 With an assistant applying  brakes, break free staked collar 
nut  (arrow)  at center  of rear wheel  hub. Do not remove  com- 
pletely. 
NOTE- 
The  drive  flange collar  nut is tightened  to a torque  of over 300 
Nm (221 ft-lb).  Male  sure the car  is firmly  on the  ground. 
- Raise rear  of car.  Remove rear  wheel 
WARNING - 
Make sure that the car is firmly  supported on jack  stands de- 
signed  for the  purpose. Place  the 
jack stands beneath struc- 
tural  chassis points.  Do not place jack  stands under 
suspension  parts. 
- Remove f~nal drrve. See Final  drive,  removing and  install- 
ing.   
						

							
Final ~rivel 
4 Remove staked collar nut and  press  output  shafl out  of wheel 
hub  with special 
BMW tool 33 2 111/116/117. 
- Remove drive  axle. 
- Installation is reverse of removal,  noting the  following: 
Use  a  new collar  nut. 
a Apply a light coating  of oil  to contact  face of collar nut  and 
install it  loosely. 
* Install road  wheel and lower  car to ground. 
- With  an assistant applying  brakes, tighten drive axle collar 
nut  to its final  torque. 
Stake  collar  nut. 
Tightening torques 
- 
Drive axle collar nut  to drive  flange  M27  300 Nrn (221 ft-lb) 
Drive axle to  differential flange 
* M10x20 rnm black Torx bolt 
83 Nrn (61 ft-lb) 
M10x20 rnrn silver Torx bolt 
100 Nrn (74 ft-lb) 
Road wheel  to hub  120 Nrn f 10 (89 ft-lbf7) 
Drive axle, removing and installing 
(Sport  Wagon) 
4 With an assistant  applying brakes, brealc free staked collar 
nut  (arrow)  at center  of rear wheel  hub. Do not remove  com- 
pletely. 
NOJE- 
The  drive  flange  collar nut is tightened  to a torque  of over 300 
Nm (221 ft-lb). Make sure  the car  is firmly  on the ground. 
WARNING - 
Disable  airsupply  pump (if applicable)  by disconnecting elec- 
tricalplug  before performing any  repairs. Pump is located  be- 
neath  a cover under  the spare tire 
in the floor  of the cargo 
compartment. 
- Raise  rear of car.  Remove rear wheel. 
WARNING - 
Malce sure that  the car is firmly  supported  on jack  stands de- 
signed  for the purpose. Place  the jack  stands beneath struc- 
tural chassis points.  Do not  place jack  stands under 
suspension parts. 
- Models  with rear coil  springs:  Remove  cargo compartment 
floor  carpet.   
						

							
331-16 
I Final Drive 
Worlting at top  of coil  spring, press center  cap down or pry 
upward to  remove.  If pushed  down, remove from  inside coil 
spring. 
4 Worlting from  underneath,  position BMW special tool 33  2 
301 
between  2nd and 3rd  spring coil from  the bottom. 
Make sure tool  recess faces upward. 
Worlting  in cargo compartment, guide BMW special  tool 
33 
2  304 
from  above  and thread  into special tool 33 2 301. 
4 Worlting  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  end lifts  off spring seat  on wheel 
bearing  carrier. 
- Model with air springs:  Loosen compressed air  pipes at air 
distribution  assembly  to release system  pressure. 
WARNING- 
The  vehicle  will lower  when tlie airpipes are loosened. 
- Remove final  drive. See Final  drive,  removing  and install- 
ing.