Engine Assembly - GMC SYCLONE 1992 Service Manual Supplement

6A3-8 4.3 LITER V6
13. Catalytic converter support bolts.
14. Muffler(s) and tailpipe to catalytic converter.
Tighten
• Support bolts to 34 N•m (25 ft. Ibs.).
• Tailpipe bolts to 32 N•m (24 ft. Ibs.).
15. Right wheelhouse panel.
16. Right front tire and wheel.
Tighten
• Wheel nuts to 140 N•m (100 ft. Ibs.).
• Lower vehicle.
17. Oxygen sensor connector.
18. Turbocharger oil feed hose.
19. Turbocharger coolant return pipe.
Tighten
• Oil feed hose fitting to 22 N•m (16 ft. Ibs.).
• Coolant return pipe fitting to 22 N•m (16 ft. Ibs.).
20. Battery tray and vacuum tank.
21.
Battery and battery cables.

ENGINE ASSEMBLY

Remove or Disconnect (Figures 1 through 6)
1. Battery cables and battery.
2. Hood.
3. Air cleaner and duct.
•
Drain engine coolant radiator.
•
Drain charge air cooler radiator.
4. Turbocharger air inlet elbow.
5. Upper fan shroud.
6. Fan and pulley nuts.
7. Serpentine belt, fan and pulley.
8. Battery tray and vacuum tank.
•
Raise and suitably support vehicle as described in
GENERAL INFORMATION (SEC. 0A) in the 1992
Service Manual Sonoma and Jimmy Models.
9. Front tires and wheels.
10. Wheelhouse panels.
11. Muffler(s) and tailpipe from catalytic converter.
Catalytic converter support bolts.
12.
13. Turbocharger outlet pipe bracket.
14. Turbocharger outlet pipe nuts.
• Move outlet pipe and catalytic converter away from
the turbocharger.
15. Electrical connector from charge air cooler radiator
temperature sensor and radiator hoses.
16. Charge air cooler radiator.
17. Exhaust crossover pipe.
• Lower vehicle.
18. Transmission cooler lines from radiator.
19.
Upper and lower radiator hoses.
20.
Engine oil cooler lines from radiator.
21. Heater and overflow hoses from radiator.
22. Radiator.
23. Oil pipes at filter adapter.
24.
Power steering pump hoses from steering gear.
25. Engine coolant reservoir.
26. A/C compressor from bracket and move aside.
27.
Charge air cooler clamps, ducts and hoses.
28.
Charge air cooler from supports.
29.
Throttle body (15) gasket (16) bolts (18) and cable
bracket (7) from upper intake manifold (10) and move
aside.
30. Heater hose from lower intake manifold (22).
31. Electrical connectors and hoses from upper intake
manifold (10).
32. Upper intake manifold (10).
33. Fuel pipes (23 and 27) from fuel rail (21).
34. Electrical connectors and vacuum lines from engine.
•
Raise and suitably support vehicle as described in
GENERAL INFORMATION (SEC. 0A) in the 1992
Service Manual Sonoma and Jimmy Models.
35. Rear propeller shaft.
•
Support transmission.
36.
Transmission crossmember and mount.
37.
Front propeller shaft.
38. Torque converter cover.
39. Shift linkage from transmission.
40. Torque converter bolts.
41. Fuel pipes (23 and 27) from hoses near transfer case.
42. Fuel line bracket (25) from transfer case.
43.
Fuel line clip (24) and electrical clips and connectors
from transmission and transfer case.
44.
Transfer case and gasket.
45.
TV cable (14) from transmission.
46. Transmission cooler lines from transmission.
47. Torque converter housing bolts and transmission.
48. Transmission cooler lines from oil pan.
49.
Fuel line clip (26) oil line and electrical harness clips
from cylinder heads.
50. Starter motor electrical connections.
51. Starter motor.
52. Engine mount through-bolts and nuts.
•
Lower vehicle.
53.
Electrical connections from oil pressure and knock
sensors and ground strap.
•
Install lifting device.
54. Engine.
Install or Connect (Figures 1 through 6)
NOTICE: For steps 3, 7, 8, 10, 12, 13, 15, 17
through 25, 30, 33, 38, 39, 42, 43, 47 and 54 see
"Notice" on page 6A3-1 of this section.