Honda Bmw 5 Service Manual

Driveshaft 
Driveshaft problems and  causes 
Symptom  Probable cause  Corrective action 
Vibration when  starting off Center bearing rubber deteriorated.  Inspect center bearing and rubber.  Replace  if necessary. 
(forward  or reverse) 
Flex-disc damaged  or worn. 
Inspect flex-disc.  Replace 
if necessary. 
Engine  or transmission mounts 
faulty. Inspect engine and transmission mounts. Align  or 
replace,  if  necessary. 
Front centering guide  worn, or driveshaft 
Checic front centering guide and...

Driveshaft 
Repair kits for the universal  joint are not available for  BMW 
driveshafts. 
A worn or  damaged universal  joint usually require 
replacement  of the driveshaft. 
The driveshaft is balanced to close tolerances.  Whenever it is 
to  be  removed  or disassembled, the mounting  flanges and 
driveshaft sections should  be marked with paint  or a punch 
before proceeding  with work. This will ensure  that the 
drive- 
shaft can be reassembled  and installed  in exactly the original...

Driveshaft, aligning 
The alignment  of the  driveshaft does not normally need  to be 
checked unless  the engineltransmission or  the final drive 
have  been removed  and installed. if  ail other parts  of the 
driveshaft have  been inspected  and found to  be okay,  but 
there  is still  noise or vibration, driveshaft alignment should  be 
checked. 
There are  two important driveshaft alignment checks. The 
first  is to  make  sure that  the driveshaft runs straight from  the 
transmission  to the...

-.- . 
/ Driveshaft Driveshaft,  removing 
CAUTION- 
. Be sure the wheels  are off the  ground  before removing  the 
driveshak Set the parl(ing brake  before  removing  the 
driveshaft. 
Once the driveshaft  has been  removed, the vehicle  can 
roll  regardless  of whether the  transmission  is in  gear or 
not. 
The  driveshaft  is mounted  to the  transmission  and final 
drive 
with self-locliing  nuts. These  nuts are  designed  to 
be  used  only once  and should  be replaced  during reas-...

4 Remove nuts (arrows) from constant velocity joint  mounting 
bolts  at final drive.  Pry constant velocity joint  free  from final 
drive input flange  at groove 
(A). 
- Hang driveshaft  rear section from body using stiff  wire. 
< Do not  let driveshaft  hang unsupported, as rear CV joint rub- 
ber boot  (arrow) may be damaged. 
4 Remove center  support bearing mounting nuts  (arrows) 
- Remove driveshaft.  Pull down  on center  of driveshaft to 
facilitate removal. 
CAUTIOI\C 
Protect CVjoint with...

260-1 0 
/ Driveshaft 
Driveshaft, installing 
- Prepare CV joint  for reinstallation: 
Extend  joint to limit. 
Clean  off old grease and  fill with fresh grease 
Install  new seal. 
- Bend driveshaft slightly  at center universal  joint to install 
CAUTION- 
Do  not allow CVjoint seal  to become  displaced. 
- Align matchmarlts on driveshaft to matchmarks on final  drive 
and  transmission flanges. 
- Fit constant velocity  joint to final  drive  input flange.  Alternate- 
ly tighten two opposite...

Driveshaft 
- Road test vehicle to check  for noise or  vibration 
CAUTION- 
Do not  reuse self-locking  nuts. These  nuts are designed  to 
be  used  only once. 
Avoid stressing  the flex-disc  when  torquing the bolts. 
Do this  by counterholding  the bolts  and turning  the nuts 
on  the  flange  side. 
Tightening torques 
Alunlinum driveshaft  to flex-disc 
- MI2 (use coated washers) 
90 Nm  (66 ft-lb) 
Driveshaft 
CV joint  to final  drive flange 
Mi0 (Tom bolt) 
70 Nm  (51 ft-lb) 
M8 (compression...

260-1 2 
1 Driveshaft 
Install new flex-disc using new self-locking  nuts. Molded  ar- 
rows  (arrows)  on coupling  should point towards flange arms. 
4 On vehicles with aluminum driveshaft,  use coated  washers to 
prevent contact corrosion. 
- Counterhold  bolts while tightening  nuts. 
Tightening torque 
Aluminum driveshaft to flex-disc 
M12 (use coated  washers)  90 
Nm (66 ft-lb) 
Steel driveshaft  to flex-disc 
MI0 (8.8  grade)  48 
Nm  (35 ft-lb) 
- MI0 (10.9  grade)  60 Nm (44 ft-lb) 
Coated...

- On installation, drive new center  bearing firmly to stop. 
Reassemble driveshaft  using matchmarks made prior  to 
disassembly. 
- Clean threads  and install bolt securing  driveshaft halves. 
Use thread  locking compound 
LoctiteO or equivalent. 
Tightening torque  Driveshaft front  half to rear  half 
(use thread locking compound)  97 
Nm (72 fl-lb) 
- Install driveshaft as described  earlier. 
Front centering  guide, replacing 
The front centering guide centers the  driveshafl in relation to 
the...

260-14 
Driveshaft 
Constant velocity (CV) joint,  replacing 
The CV joint  at the rear  of the  driveshaft is available  from 
BMW as a separate part. 
- Remove complete driveshaft  as described  earlier  in this 
section. 
< Clean  grease off CV joint.  Remove  retaining circlip (arrow) 
from  CV joint  end of driveshaft. 
- Drive out bolts  from CV joint. 
4 Remove  CV joint  from  driveshaft: 
Pry back protective  boot 
(A). 
- Using BMW special tool 26  1 110  on inner race (B), press 
or pull...