PONTIAC FIERO 1988 Service Repair Manual

PONTIAC FIERO 1988 Service Repair Manual FIERO 1988 PONTIAC PONTIAC https://www.carmanualsonline.info/img/50/57415/w960_57415-0.png PONTIAC FIERO 1988 Service Repair Manual
Trending: timing belt, battery location, height adjustment, windshield wipers, lug pattern, engine coolant, spark adjustment

Page 271 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
484-18 REAR AXLE 
4. With transmission  in park and both  wheels and 
tires clear  of ground,  (wheels will r~tate in opp- 
osite  directions),  measure torque required  to 
rotateaxle  shafts with a

Page 272 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
REAR AXLE 481-19 
15. Press  differential  bearings  on with  tool  J-21784  gear 
and cone  splines  will occur,  preventing 
(Fig.  16).  assembly 
of remaining axle  shaft. If this occurred, 
16.

Page 273 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
4B1-20 REAR AXLE 
1 J 21 579 AXLE  SHAFT  REMOVER  13. J 78 17 FRONT  PINION  BEARING  RACE 
INSTALLER 
2. 
J 21784 SlDE 8EARlNG INSTALLER  14. J 23597-1 BODY PlNlON  SETTING  GAGE 
3. J 23597-12  RE

Page 274 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
REAR AXLE 4B-1 
SECTION 4B 
REAR AXLE 
NOTICE: All rear  axle attaching  fasteners are an  necessary. 
Do not  use a replacement  part of lesser 
important  part  in that  they  could  affect the  qu

Page 275 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
48-2 REAR AXLE 
2 -ROLLER  ASM. 
3-SHIM  AS 
REQ. 
4-CARRIER & CAP ASM. 
5- RACE  (PINION  FRT) 
6-ROLLER  ASM. (PINION  FRT) 
7 -SEAL  ASM. 
$-FLANGE ASM. 
9 -WASHER 
10-NUT  
11 -FLANGE 
12  -SPACE

Page 276 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
REAR AXLE 4B-3 
Noise  which  originates in other  places  cannot  be 
corrected  by adjustment  or replacement  of parts  in the 
differential.  It should  also be remembered  that rear 
axle  gears

Page 277 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
4B-4 REAR AXLE 
d. Incorrect  driveline  angle. 
Noise  changes  on  a different  type of road. 
a.  Road  noise. 
b.  Tire  noise. 
Noise  tone  lowers  as  car speed  is lowered. 
a.  Tire  noise.

Page 278 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
REAR AXLE 48-5 
BRINELLIM 
SURFACE INDENTATIONS  IN RACEWAY 
CAUSED  BY ROLLERS  EITHER UNDER 
IMPACT  LOADING  OR VIBRATION  WHILE 
THE  BEARING IS NOT ROTATING. 
REPLACE  BEARING IF ROUGH  OR NOISY

Page 279 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
48-6 REAR AXLE 
The important  thing to note  is that  the  contact 
pattern  is centrally  located up and down on the  face  of 
the  ring  gear  teeth. 
Adjustments  Affecting Tooth Contact 
Two ad

Page 280 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
REAR AXLE 48-7 
HEEL CONTACT 
DECREASE BACKLASH - 
MOVES AREA OF 
PlNlON  CONTACT 
TOWARD TOE 
TOE CONTACT CREASE  BACKLASH MOVES AREA OF 
PlNlON  CONTACT 
TOWARD HEEL 
DESIRED PATTERN - 
IN  CENTER
Trending: washer fluid, radio, load capacity, tire pressure reset, trunk, park assist, oil level