Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Section 3 (6.2L Engine (Service Information)): Removal
If the engine encounters a catastrophic failure, the engine oil cooler and lines must be replaced or damage to the new engine or components could result.
- Perform the fuel system pressure release procedure. Refer to FUEL SYSTEM PRESSURE RELEASE .
- Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
- Remove the front skid plate. Refer to PLATE, SKID, FRONT, INSTALLATION .
- Remove the transmission skid plate. Refer to PLATE, SKID, TRANSMISSION, REMOVAL .
- Drain the cooling system. Refer to DRAINING .
- Drain the engine oil. Refer to STANDARD PROCEDURE - ENGINE OIL SERVICEΒ .
- Remove the front driveshaft. Refer to SHAFT, DRIVE, FRONT, REMOVAL .
- Remove the starter. Refer to STARTER, REMOVAL .
- Remove the A/C compressor. Refer to COMPRESSOR, A/C, REMOVAL
.NOTE:
Left side shown, right side similar.
- Remove both left/right engine mount heat shield (4) retaining nuts (3) and remove the heat shields.
- Remove both left/right engine mount to frame retaining bolts (2).
- Remove the transmission inspection cover retaining bolt (2) and remove the inspection cover (1).
- Rotate the crankshaft in clockwise direction until the torque converter bolts (1) are accessible and remove the flexplate to torque converter bolts (1).
- Remove the oil pan to transmission bolts (1).
- Disconnect the oxygen sensor wire harness connectors.
- Remove both left and right catalytic converter to exhaust manifold fasteners. Refer to CONVERTER, CATALYTIC, REMOVAL
.
- Disconnect the transmission oil cooler lines from their retainers at the oil pan (1).
- Disconnect the wire harness connectors at the frame.
- Use a commercially available low profile 3/4" quick release tool to disconnect the oil filter adapter quick connectors (1, 2) and then remove the oil cooler hoses from the oil filter adapter.
- Remove the cooling fan. Refer to FAN, COOLING, REMOVAL .
- Remove the lower radiator hose.NOTE:
Two knock sensors are used. Each sensor is bolted to the outside of the engine block below the exhaust manifold.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.