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
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Page 361 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
6A2-10 2.8 LITER V-6 
5. Remove  air  management  valve from A.I.R. 
pump. 6. Remove  alternator  bracket. 
7. Remove exhaust  manifold  bolts. 
8. Disconnect air management  hose. 
9.  Remove  manif

Page 362 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
2.8 LITER V-6 8A2-11 
ENGAGE AT 
Figure 6A2-1 1 Depressing Valve  Spring 
Figure 
6A2-12 Valve  Stem Seal 
4. Using Tool J-5892 to compress  the valve  spring, 
remove  the valve  locks,  valve cap,

Page 363 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
I Liher Body 6 Push Rod Seat Reta~ner 2 Push  Rod Seal 7 Plunger 3 Mater~ng Valve 8 Check  Ball Spr~ng 4 Check  Ball 9 Plunger Spr~ng 5 Check Ball Rete~ner 10 Olllna Flat 
Figure 6A2-14 Valve Lifter

Page 364 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
2.8 LITER V.6 6A2.13 
Torque  bolts as shown  in Figure 6A2-15. 
4.  Install 
push  rods  and  loosely retain with  rocker 
arms.  Make  sure lower  ends of 
pushrods are in 
lifter  seats. 
5. Insta

Page 365 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
BA2-14 2.8 LITER V-6 
bores for oversize  valves  use  tool 5-5330-1,  2  or 3, 
respectively. 
VALVE  SEATS 
Reconditioning  the valve  seats is very  important, 
because  the seating  of the  valve

Page 366 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
2.8 LITER V.6 6A2-15 
18-30 N.m (13-22 FT. LBS.) 
I 11 47-48 N.m (20-35 FT. LBS.) I 
Figure 6A2-17 Water Pump/Front Cover Orientation 
CRANKCASE FRONT COVER 
Removal 
1. Raise engine. 
2. Remove  oil

Page 367 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
6A2-16 2.8 LITER V-6 
Figure 6A2-19 Camshaft Timing 
2. Align  dowel  in camshaft  with  dowel  hole  in 
camshaft  sprocket,  then install  sprocket  on 
camshaft. 
3. Draw  the camshaft sprocket  o

Page 368 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
2.8 LITER V-6 6A2-17 
Figure 6A2-2 1 Camshaft Rear  Cover 
connecting rod  bolts to prevent  damage  to crankshaft. 
Fasten  connecting rods  against  sides of engine  so they 
will  not be in the  w

Page 369 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
6A2-18 2.8 LITER V-6 
Installation 
Clean  sealing  surfaces  on  cylinder  case and oil 
pan. 
Install  gasket and attach  retaining  bolts. 
Remove  jack and lower  engine. 
Install  motor mount  t

Page 370 of 1825

PONTIAC FIERO 1988  Service Repair Manual 
2.8 LITER V-6 6A2-19 
4. Measure the crankpin for  out-of-round  or  taper 
with  a  micrometer.  If  not  within  specifications, 
replace  or recondition  the crankshaft.  If  within 
specification
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