Honda Bmw 5 Service Manual

< 6-cylinder models: Remove intake manifold to access  oil 
pressure  switch 
(arrow). 
V-8 models: Oil  pressure warning switch (arrow) is located 
under oil filter housing mounted  to left  inner fender panel. 
NOTE- 
Any time the oilpressure  warning switch  is removed,  be sure 
to  replace  the sealing  washer. 
Tightening torque  Oil 
~ressure switch  to oil  filter  housins 27 Nrn (20 ft-lb) 
Oil level warning switch, replacing 
(6-cylinder and 
V-8) 
4 Oil  level  warning switch is located  at...

/Lubrication System 
Oil pump, removing and installing 
(&cylinder) 
Oil pump  assembly 
(6-cylinder  from 9/98) 
CAUTIOI\C 
Oil pump sproclcet nut has left-hand  threads. Turn clockwise 
to loosen. 
4 Version 1, M52 oil pump  assembly. 
1. Oil pump pressure  relief control  valve 
2.  Oil pump suction tube 
3. Suction tube support bracket 
4. Oil pump assembly 
5.  Oil pump drive  sprocltet 
6. Oil pump drive chain 
7. Oil pump drive sprocket nut (left hand threads) 
4 Version 2, M52  TU oil pump...

Lubrication System 
- Lower front suspension and remove oil pan,  as described 
earlier, to  gain access  to  oil pump. 
Remove  oil pump 
sprocket mounting  nut (left-hand  thread) 
(arrow). Lift sprocket off  together with  drive chain. 
Engines  produced  to 9/98: Remove  oil pump with  pick-up 
tube.  Pick-up tube  is bolted to  side of oil pump. 
Engines  produced  from 9/98 to 01/00:  Remove  pick-up 
tube, scraper tray  and oil pump  as a unit. 
Engines  produced  from 01/00:  Remove  oil pump...

11 9-24 
Lubrication System 
Oil pump, removing and installing (V-8) 
CAUTION- 
V8 engines: The oil pump  fasteners (including  the sprocket 
retaining  nut) are known  to vibrate  loose. This can  result in oil 
starvation  and engine  failure. Be sure  to 
checlc oil bolts  and 
nut  tighness whenever  the oil pump  is accessible.  If any  fas- 
teners  are found  to be  loose,  remove  them and reinstall  with 
Loctite 
8 and  torque  to specifications. 
- Remove  upper oil pan,  as described...

Lubrication System 
4 Replace O-ring seals (arrows) on engine  oil pipes. Oil seals 
lightly. 
CAUTIO& 
During  reinstallation,  do not  damage O-rings  on sharp  edges 
of  engine 
blocl

11 9-26 
/Lubrication System 
< Use Allen  wrench  to adjust chain slaclc (B) by turning thread- 
ed  spacer 
(A). 
Oil pump  chain adjustment 
Slack 
10 52 mrn  (0.394i0.079  in) 
- Coat remaining oil  pump mounting  fastener with Loctite 03. In- 
stall and  tighten. 
- Remainder  of assembly is  reverse of disassembly. 
- After  adding engine  oil, start and  run engine.  Raise engine 
speed  to 
2,500 rpm until oil pressure warning  light goes out 
(about 
5 seconds). 
Tightening  torques 
Lower  oil...

11 9-27 
Lubrication System 
Oil pressure relief valve (V-8) 
4 Remove oil pressure  relief  valve retaining circlip. 
Use  a suitable drift to  remove relief valve assembly from 
pump. 
CAUTION-- 
There  is high  spring pressure  in the relief valve. 
4 Inspect oil  pump relief valve components  and bore  lor scor- 
ing  or other damage. 
1. Control  plunger 
2. Spring 
3. Sleeve 
4. Circlip 
- Install using a new  circlip.   

120 lgnition System 
...................... General 
Special tools ................... 
Warnings and cautions ........... 
Engine management ............. 
................. lgnition system 
Ignition  system.  troubleshooting 
.... 
... Oscilloscope diagnostic  diagrams 
................ Misfire detection 
............. Ignition System Service 120-9 
.................... Ignition firing order  120-9 
.............. Disabling ignition system  120-10 
................... Checking for spark  120-1 0...

Ignition System 
This repair group covers component troubleshooting and  re- 
placement information for the ignition system. 
When diagnosing  engine management problems, including 
on-board diagnostics (OBD 
11) fault code analysis,  also refer 
to  these repair groups: 
* 130 Fuel  Injection 
* ELE Electrical  Wiring Diagrams 
OED On-Board Diagnostics 
Special tools 
System diagnosis  and testing of the ignition system requires 
special test  equipment. 
4 LED test light 
(Tool No.  Baum 
1 1 15) 
4...