Do i need to pull subframe to change engine on 1998 chevy camaro 3.8 automatic

Lots of work, but yes you do, not as bad as it seems,good luck.

I have never done one but when i do things like this i look and think of how was it done on the assembly line ,my guess is that the whole engine/ gearbox is lowered down on the sub frame then lift car body up to drag it out ,easier than you think once you get started lower the front subframe with everything on then jack body up off the engine unit .if you have a nice A frame even easier or a block and tackle with a convienent tree

3.8L Engine - There's a lot of stuff here.

1. Take the vehicle to a reputable repair shop to have the refrigerant discharged and recovered.
2. Disconnect the negative, then the positive battery cables.
3. Relieve the fuel system pressure.
4. Remove the A/C compressor and condenser hose from the accumulator.
5. Raise and safely support the vehicle.
6. Remove the front wheel and tire assemblies.
7. Drain the coolant and engine oil into suitable containers.
8. Remove the 3-way catalytic converter.
9. Remove the front fascia lower deflectors.
10. Remove the stabilizer bar bushing bolts.
11. Disconnect the radiator inlet hose from the radiator.
12. If equipped with an automatic transmission, perform the following:
    1. Remove the transmission converter bolts.
    2. Disconnect the transmission oil cooler lines from the radiator.
    3. Remove the transmission range selector lever cable from the transmission.
    4. Remove the left and right transmission support brackets.
13. If equipped with manual transmissions, perform the following:
    1. Remove the transmission control lever handle.
    2. Remove the clutch actuator cylinder line from the actuator.
14. Remove the propeller (drive) shaft.
15. Remove the torque arm from the transmission.
16. Remove the steering gear coupling shaft from the rack and pinion.
17. Remove the electrical ground strap from the engine block.
18. Remove the starter motor.
19. Remove the A/C compressor and condenser hose from the compressor and from the condenser.
20. Remove the negative battery cable from the rear compressor bracket mounting stud.
21. Remove the engine coolant heater cord from the block.
22. Carefully lower the vehicle.
23. Remove the A/C compressor and condenser hose from the vehicle.
24. Remove the heater hoses from the drive belt tensioner.
25. Remove the air cleaner outlet rear duct. Remove the resonator duct.
26. Disconnect the fuel lines from the fuel rail.
27. Disconnect the cruise control cable from the throttle body. Disconnect the accelerator control cable from the throttle body.
28. Remove the radiator outlet hose from the thermostat housing.
29. Disconnect the brake booster vacuum hose.
30. Remove the bracket lines and the clips from the ABS hydraulic modulator.
31. Remove the right-hand body hinge pillar trim panel.
32. Detach the engine wiring harness connectors.
33. Remove the forward lamp wiring harness connectors.
34. Remove the Powertrain Control Module (PCM) and the wiring harness and place them on top of the engine.
35. Remove the engine wiring harness through the front of the engine, then place on top of the engine.
36. Disconnect the positive lead from the alternator.
37. Remove the lower shock attachment nuts and bolts from the lower control arms.
38. Remove the upper control and ball stud from the steering knuckle. Use the upper control arm in order to secure the struts to the outboard.
39. Remove the wheel speed connectors from the engine frame.
40. Position a suitable engine support table under the engine and frame.
41. Remove the engine frame and transmission support bolts.
42. Raise the vehicle from the engine, the transmission and the engine frame.
43. Remove the transmission.
44. If equipped with a manual transmission, remove the clutch housing and the clutch.
45. Remove the engine mount though bolts.
46. Remove the engine from the engine frame. To install:
    
47. Position the engine to the engine frame.
48. Install the engine mount through bolts.
49. Install the transmission.
50. Position the engine lift table. Lower the vehicle to the crossmember in order to install the engine, transmission and engine frame.
51. Install engine frame and transmission support bolts, then remove the engine lift table.
52. Attach the electrical connectors to the wheel speed sensors.
53. Install the upper control arm ball stud to the steering knuckle.
54. Install the lower shock attachment bolts and nuts to the lower control arm.
55. Connect the positive lead to the generator. NOTE: When routing the engine wiring harness through the front of the dash, the rubber grommet must be installed properly to ensure correct sealing. If the rubber grommet is damaged, replace it.
    
56. Install the engine wiring harness through the front of the dash.
57. Install the PCM and PCM harness.
58. Install the forward lamp wiring harness connectors and the engine wiring harness connectors.
59. Install the right-hand body hinge trim panel.
60. Install the brake lines and clips to the ABS hydraulic modulator. Connect the brake booster vacuum hose.
61. Connect the radiator outlet hose from the thermostat.
62. Connect the cruise control and accelerator cables to the throttle body.
63. Attach the fuel lines to the fuel rail.
64. Install the air cleaner outlet rear duct and resonator duct.
65. Connect the heater hoses to the drive belt tensioner.
66. Attach the A/C compressor and condenser hose.
67. Raise and safely support the vehicle.
68. Connect the engine coolant heater cord to the block.
69. Connect the negative battery cable to the rear compressor bracket mounting stud.
70. Install the A/C compressor and condenser hose to their respective components.
71. Install the starter motor.
72. Fasten the electrical ground strap to the engine block.
73. Install the steering gear coupling shaft to the rack and pinion.
74. Connect the power steering inlet and outlet hoses to the steering gear.
75. Install the torque arm to the transmission.
76. Install the propeller shaft.
77. Connect the shift linkage to the transmission.
78. Attach the radiator inlet hose to the radiator.
79. If equipped with a manual transmission, attach the clutch actuator cylinder line to the actuator and install the transmission control lever.
80. If equipped with an automatic transmission, perform the following:
    1. Install the left and right transmission support brackets.
    2. Install the transmission range selector lever cable to the transmission.
    3. Attach the transmission fluid oil cooler lines to the radiator.
    4. Install the transmission converter bolts.
81. Install the stabilizer bar bushing bolts.
82. Install the front fascia lower deflectors.
83. Install the 3-way catalytic converter.
84. Install the wheel and tire assemblies.
85. Carefully lower the vehicle.
86. Refill the engine with the proper amounts of coolant and engine oil.
87. Connect the positive, then the negative battery cables.
88. Properly bleed the brake system.
89. Take the vehicle to a reputable repair shop to have the A/C system charged and the wheels aligned.