CHECKING FLUID LEVELS
| CAUTION | When performing the following procedure, use only hand tools to remove and install the drain and fill plugs. |
- Raise and suitably support the vehicle.
- Remove the transfer case shield, if equipped. See TRANSFER CASE SHIELD.
- Remove the fill plug. (Scheme 13)
- Check fluid level. Make sure fluid is up to bottom of fill plug.
- Fill transfer case with appropriate fluid to appropriate level, if necessary. See RECOMMENDED FLUIDS and FLUID CAPACITIES.
- Install fill plug. (Scheme 13) Tighten plug to specification. See TORQUE SPECIFICATIONS.
- Install the transfer case shield, if equipped. See TRANSFER CASE SHIELD.
- Lower the vehicle.
Scheme 13
RECOMMENDED FLUIDS
| Application | Fluid Type |
|---|---|
| NVG 149, NVG 261 & NVG 263 | DEXRON-III Fluid (GM P/N 12346143) |
| NVG 246 | AUTO-TRAK II Fluid (GM P/N 12378508) |
TRANSFER CASE FLUID TYPE
DRAINING & REFILLING
| CAUTION | When performing the following procedure, use only hand tools to remove and install the drain and fill plugs. |
- Raise and support vehicle.
- Remove the transfer case shield, if equipped. See TRANSFER CASE SHIELD.
- Remove filler plug located on rear of transfer case. (Scheme 13)
- Remove drain plug from bottom of transfer case. (Scheme 14) NOTE: Ensure that an approved drain pan is used when draining the transfer case.
- Allow fluid to fully drain. CAUTION: Use only drain and fill plugs that are made from aluminum. Steel or brass plugs are not compatible with the magnesium case.
- Reinstall drain plug. (Scheme 14) Tighten plug to specification. See TORQUE SPECIFICATIONS.
- Fill transfer case through oil filler plug hole to specified capacity using recommended fluid. See RECOMMENDED FLUIDS and FLUID CAPACITIES.
- Ensure fluid is level with bottom edge of filler plug hole.
- Reinstall filler plug. (Scheme 13) Tighten plug to specification. See TORQUE SPECIFICATIONS.
- Install the transfer case shield, if equipped. See TRANSFER CASE SHIELD.
- Lower vehicle.
