Honda Bmw 5 Service Manual

							
Steering and Wheel Alignment 
- lnstallation  is reverse  of removal. 
Make sure all  threaded parts  are clean. 
Use  anti-seize paste  on inner  tie rod  threads. 
Use  new self-locking nuts, where applicable. 
Use  tie rod  measurement 
(A) to set toe temporarily. 
Have car professionally aligned. 
Tightening torque 
Tie  rod 
to steering itnuckle  (replace seii-loclting nut) 65 Nm ( 46 ft-lb) 
Outer tie rod  end ioclt nut 51 Nm (38 ft-ib) 
Tie rod (inner),  replacing 
- To replace  inner tie  rod, first  remove outer  tie rod end. See 
Tie rod  (outer), replacing. 
- Cut  rack boot clamps  and slide bellows back 
4 Loosen  and remove inner  tie rod  shafl  from steering  rack with 
special  tool 
32 2 110. 
NOTE- 
To avoid  damage to  steering rack while  removing tie rod, turn 
steering  until end of  rack is as  far  as possible inside rack 
housing. 
- When  reassembling, grease tie  rod taper so that  rack boot 
support  buffer or small  end of rack  boot slides  on tie rod  when 
tie  rod  is tightened,  preventing  rack boot  from  twisting. 
- Inspect boot for  any signs of damage. Replace boot if neces- 
sary,  using new clamps. 
NOTE- 
New rack boot  comes  with new  band  clamps 
- Installation is reverse  of removal, noting  the following: 
Make  sure all  threaded parts  are clean 
Replace self-locking nuts. 
Install  outer tie  rod end to  new tie rod.  Use tie  rod measure- 
ment 
(A) to  set toe  temporarily. 
Have car professionally aligned.   
						

							
Steering and Wheel Alignment 
Tightening torques 
Tie  rod 
to Steering  knuckle (replace  self-locking  nut) 65 Nm (48 it-lb) 
to Steering  rack 71 Nrn (52 ft-lb) 
Outer tie rod  end  lock nut 51 Nrn (38 ft-lb) 
Refer to  the steering  components  illustration when perform- 
ing  the  procedures  below. 
Steering gearbox system 
components 
(V-8 models 
up to 
911 999) 
1. Tie  rod  end  nut 
2.  Washer 
3. Tie rod  end 
4.  Steering  fluid cooler 
5.  Tie rod  end  clamp  bolt 
6. Nut 
7.  ldler  arm 
8.  ldler  arm bushing 
9.  ldler arm  bolt 
10.  Steering  fluid reservoir 
11.  Hose  clamp 
12.  Fluid  supply line 
13.  Power  steering pump 
14.  Fluid  return line 
15.  O-ring  seal 
16.  Banjo  bolt 
17.  High  pressure line 
18.  Center  tie rod 
19.  Nut 
20. Pitman arm 
21. 
Pitman arm  pinch bolt 
22.  Nut 
23. Fluid  cooler supply line 
24.  Steering gearbox   
						

							
Steering and Wheel ~li~nrnentl 
Steering gearbox, removing and installing 
- Disconnect negative (-) battery cable. See 020 Mainte- 
nance. 
CAUTION- 
Prior  to disconnecting the battew read  the battery discon- 
nection cautions  given in 
001 General Cautions and 
Warnings. 
- Remove airbag unit  from  steering  wheel. See 721 Airbag 
System (SRS). 
WARNING - 
Improper handling  of the airbag could  cause serious  injury 
Store the 
airbag with  the horn  pad facing up.  If stored  lacing 
down, accidental deployment  couldpropel it violently  info the 
air, causing 
injuv 
- Remove  steering wheel as described  earlier. 
- Drain power  steering system reservoir. 
- Raise front  of car. 
WARNING - 
Make sure the  car is firmly supported  on jack  stands  de- 
signed  for the  purpose.  Place jack stands  beneath structural 
chassis  points.  Do  not place jack stands under  suspension 
Darts. 
- Remove heat shield  from  left side  of subframe. 
- Remove fluid  hoses  from top of steering gearbox. Immedi- 
ately  plug  all  fluid openings. 
Remove  and discard 
pitman arm self-loclting nut (arrow).   
						

							
Steering and Wheel  Alignment 
Press center  tie rod  off pitman arm. 
Remove lower  steering column universal joint  clamping  bolt 
(arrow) and slide  universal joint  up off steering gearbox 
shaft. 
Disconnect  harness connector for electro-hydraulic regulator 
at bottom  of steering  gearbox 
if necessary. 
Remove  steering gearbox mounting  bolts 
Remove  steering gearbox by sliding  it forward and  down. 
Malte sure all thread  bores, bolts, nuts, splines  and mating 
surfaces  are clean. 
4 To install steering  gearbox, center  steering column to gear- 
box  by aligning  universal joint split with tab  on steering gear- 
box 
(arrow). Install  new clamping  bolt and  self-locking  nut. 
NOTE- 
Make sure the clamping bolt fits into  the machinedgroove in 
the steering  gearbox shaft  when mating  the universaljoint  to 
the shaft. 
4 Draw steering  gearbox into place  using bolt A. Hand tighten 
only.  Tighten  bolts 
(B and C) to torque specification. 
- Install pitman arm  on steering gearbox shaft.  Do not tighten 
pinch bolt at this  point.   
						

							
L.. Steering and Wheel ~li~nrnentl ~ 
4 Mark A on steering gearbox  shaft  must  be located  in center 
of 
pitman arm  slot. 
- Adjust pitman arm as described  later. 
I 5?~~5~ 
I / < Gap A = 0.5 - 8.5 mm  (0.02 - 0.33  in) 
- Tighten pitman arm pinch bolt  to specification. 
 1 Tightening torques 
I u steering Steering  gearbox to subframe 62 Nm  (46 ft-lb) 
box Steering  shaft  universal  joint to steering  19 Nm (14 It-lb) 
gearbox  (replace bolt) 
- Install center tie  rod to pitman arm using  a new self  locking 
Pilrnan nut. arm 
5nz3zn588 - Connect harness  connector for Servotronic  electro-hydraulic 
regulator 
if necessary. 
- Connect fluid hoses  to steering gearbox.  Use new sealing 
washers  at couplings and make sure  not to overtorque banjo 
bolts. 
Tightening torques Hydraulic lines  to steering  gearbox (banjo bolts) 
MI0 12 Nm  (9 ft-lb) 
- M14  35 Nm  (26 ft-lb) 
. M16 40 Nm  (30 ft-lb) 
MI8 45 Nm  (33 it-lb) 
Center  tie rod  to pitrnan arm  65 Nm (48 it-lb) 
(use  new self-loclting nut) 
- Reconnect  negative (-) battery cable. 
- lnstall airbag unit. See 721 Airbag System (SRS). 
- Fill and  bleed  power steering  system as described  earlier.   
						

							
320-28 
[steering and Wheel  Alignment 
Pitman arm, removing  and installing 
- Raise  front of car.  Remove  splash shield  from under engine. 
Male  sure the  car is 
firmly supported on jack  stands de- 
signed  for the  purpose. Place jack stands beneath structural 
chassis points.  Do not place 
jaclc stands  under suspension 
parts. 
4 Set steering wheel in  straight ahead position  with tab (arrow) 
aligned with mark on steering  gearbox. 
Remove  center tie rod  fastener  and press tie  rod out of pit. 
man arm with  BMW special 
too1 32 1 190. 
- Loosen  and  remove pitman arm pinch bolt 
4 Mark A on steering  gearbox shalt must be located  in center 
of 
pitman arm  slot. 
- Reinstall center tie rod and tighten nut. 
- Adjust pitman arm height  as described  later. 
- Have vehicle professionally aligned. 
Tightening torques 
50:s,n5m Center  tie rod  to pitman arm  65 
Nm  (48 ft-lb) 
(use  new self-locking  nut) 
Pitman arm pinch  bolt (note direction of threads)  61 Nrn (45 ft-lb)   
						

							
Steering and Wheel  Alignment 
Pitman arm, adjusting 
As the vehicle suspension  settles down, the toe on  the left 
and right wheels must  remain identical  for proper  handling. 
By  adjusting the height  of the 
pitman arm, the left and  right tie 
rods are  moved to the same  ride level setting.  This will opti- 
mize straight-ahead travel on uneven road  surfaces. 
- Raise front of car.  Remove  splash shield  from under  engine. 
WARNING- 
Male sure the car  is iirmly supported  on jack stands  de- 
signed  ior the  purpose.  Place jack stands beneath structural 
chassis  points. Do not place 
jaclc stands  under suspension 
parts. 
- Remove  bolts from left and  right inner control arm  mounts. 
Place 
BMW special tool 32 2 140 through right  side control 
arm mounting bolt  hole. 
Loosen fastener 
A and push  pin El up so that  it is firmly 
against  tie  rod 
(arrow). Tighten  fastener A. 
- Remove  tool without disturbing position  of pin El. 
- Loosen pitman arm clamping bolt  and slide arm  up. 
4 Place special tool  32 2 140  through left  side control arm 
mounting  bolt hole. 
Slide 
pitman arm up  or down  until tie  rod makes contact 
with pin 
(El). 
Tighten pitman arm clamping  bolt. 
Tie  rod height  differences 
Deviation  between 
left and right tie rod height -?-I .5 rnrn (LO6 in)   
						

							
I Steering and Wheel  Alignment 
I I 4 Gap A = 0.5 - 8.5 mm (0.02 - 0.33  in) 
- Reinstall inner control  arm bolts 
Tightening  torques 
Control  arm to 
subframe 78 Nm  (58 it-lb) 
(tighten  with wheel on ground) 
Pitman arm pinch  bolt (note  direction  of threads) 61 Nm  (45 ft-lb) 
Steering idler arm, removing and installing 
The  idler arm  is bolted  to the subframe through  a bushing. 
The  bushing is  subject to wear  and is available as  a replace- 
ment part. 
- Raise front  of car.  Remove splash shield from under  engine. 
WARNING - 
Male sure the car is firmly  supported  on jaclc stands de- 
signed  for the  purpose. Place  jack stands beneath structural 
chassis points.  Do not place jack  stands under suspension 
parts. 
4 Remove center tie  rod  fastener and press  tie rod out  of idler 
arm with 
BMW special tool 32 1 190. 
- Remove  idler arm mounting  bolt through  opening  in sub- 
frame and remove  idler arm from  car. 
- Installation is  reverse of removal. 
Make  sure all thread  bores, bolts,  nuts  and mating surfac- 
es are clean. 
Use new self 
loclting nuts to  mount  idler arm to subframe 
and center  tie rod  to idler  arm. 
If  idler arm or idler arm bushing is  replaced, adjust 
pitman 
arm as described  earlier. 
Have  car professionally  aligned. 
Tightening  torques 
Center tie  rod to idler arm  65 Nm  (48 ft-ib) 
(replace self-locking  nut) 
Idler arm to front  subirame 
(replace self-locking  nut)  62 
Nm  (46 it-lb)   
						

							
320-31 
Steering and Wheel ~li~nrnentl 
ldler arm bushing, replacing 
- Remove idler  arm as described  earlier. 
< Press out bushing. Use  BMW special tools  32 1 050 and 32 
2  032  or equivalent  press fittings. 
4 Press  in new  bushing  with  BMW  special tools 33 1 305 and 
32  2 032  or equivalent  press fittings. 
4 Press  new bushing  in correct  direction (arrow). 
u ..... A, 
Press bushing  in until  lip makes  firm contact  (A) with idler 
arm. 
I 
Installation is the  reverse of removal 
Use  new  self locking nuts to  mount  idler arm to 
subframe 
and traclc arm. 
a Adjust pitman arm height as described  earlier. 
Have vehicle  professionally  aligned. 
Tightening torques  Center  tie rod  to idler  arm 
65 Nm (48 ft-lb) 
;nl?mmn / (replace self-locking nut) 
ldler  arm to front 
subframe 
(replace  sell-locking  nut)  62 
Nm  (46 ft-lb)   
						

							
320-32 
Steering and Wheel Alignment 
Center tie 
rod, replacing 
- Raise front  of car.  Remove  splash shield  from  under engine. 
WARNING- 
Make sure tlie car is firmly  supported on jack stands de- 
signed  for the  purpose.  Place jack stands beneath  structural 
cliassis  points. Do not place jack  stands under suspension 
parts. 
- Measure length  of left and  right (outer) tie  rods. Write  down 
measurements. 
NOTE- 
Accurate measurement  of the tie  rod end  with  reference  to 
the  center  tie rod  will help  approximate correct wheel align- 
ment  when  new parts  are installed. 
4 Remove  self-loclting nuts connecting center  tie rod  to pitman 
and idler  arms.  Press  tie rod off pitman and idler  arms using 
BMW  special tool 
32 1 190 or equivalent. 
4 Loosen left tie  rod clamping  bolt (arrow). Unscrew left tie rod 
from center  tie rod.  Repeat  for right. 
- Installation is  reverse of  removal. 
Malte sure all threaded parts are  clean. 
. Coat threads with antiseize  compound. 
Replace self-loclting  nuts. 
Check tie  rod end ball joints  and idler arm bushing  for wear. 
Use  tie rod measurements  previously made to temporarily 
set  toe. 
- Have  car professionally aligned. 
Tightening  torques 
Center  tie rod  to 
pitman and  idler  arms 65 Nm (48 ft-lb) 
(replace self-locking nuts) 
Left  or right  outer 
tie rod clamping  bolt 27 Nm (20 it-lb)