Removal Procedure
- When major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.
- When performing work in the engine compartment or under the vehicle, ensure that the hood is fully open, or opened to its secondary latch. When the hood is opened to the secondary latch, the vehicle will disable the remote start features from the key fob and OnStar mobile app. Failure to open the hood, or open the hood to the secondary latch while doing a repair in the engine compartment or under the vehicle can result in inadvertent vehicle starting which could result in personal injury or damage to a vehicle.
- Remove the engine dress cover. Refer to Engine Cover Replacement for 6.2L engine.
- Position the J-41798 engine lift bracket (1) on the cylinder head (3).
- Install the J-41798
engine lift bracket to cylinder head retaining bolts (2).
Tighten
Tighten the J-41798 engine lift bracket to cylinder head retaining bolts (3) to 50 N.m (36 lb ft).
- Install a suitable lifting tool and raise the engine assembly until the engine mount brackets are clear of the engine mount retainers.
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
- Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement .
- Remove the front lower control rear link. Refer to Front Lower Control Rear Link Replacement .
- Remove the front lower control front link. Refer to Front Lower Control Front Link Replacement .
- Remove the stabilizer shaft link. Refer to Stabilizer Shaft Link Replacement .
- Remove the front wheelhouse splash shield. Refer to Front Wheelhouse Splash Shield Replacement
- Remove the electric belt drive rack and pinion steering gear to drivetrain and front suspension frame mounting bolts (1).
- Secure the radiator to the radiator upper mounting brackets.
- Install a suitable bench trolley under the frame.
- Lower the vehicle to the frame support table.
- Remove the drivetrain and front suspension frame retaining bolts (1).
- Remove the drivetrain and front suspension frame retaining bolts (2).
- Remove the nuts (1), securing the lower engine mount, to the drivetrain and front suspension frame.
- Carefully raise the body from the frame.
- Make sure when raising the body the following items are clear from the frame:
- The brake pipes
- The steering knuckle assembly
- The wheel speed sensor electrical harness
- Remove the stabilizer shaft from the drivetrain and front suspension frame. Refer to Stabilizer Shaft Replacement .
- With the aid of an assistant, remove the frame from the support fixture.
To avoid any vehicle damage, serious personal injury or death:
Vehicle alignment is not required if the cradle is being lowered or dropped to perform another procedure. This vehicle is equipped with a cradle to body aligning feature: cradle to body through holes or self-aligning pins that are part of the cradle or body. Only align if replacing the cradle with a NEW part and transferring components.
Refer to Safety Glasses Warning .
Refer to Fastener Caution .
Left hand side shown. Right hand side similar. Install the right hand engine lift bracket as described for the left bracket.
When lifting the engine assembly, observe the clearance between the rear of the engine assembly and the dash panel.
It is necessary to secure the radiator to the front end assembly, as the radiator is supported by the subframe.
Thread zip tie A around the front end assembly and zip tie B through the radiator and condenser mount. Insert zip tie A into the retainer of zip tie B and insert zip tie B into the retainer of zip tie A.