REMOVAL
| 1 - BOLT |
|---|
| 2 - BOLT |
| 3 - BOLT |
- Raise vehicle on hoist.
- Remove steering gear to frame mounting fasteners, and lower steering gear enough for structural cover removal. Refer to «REMOVAL»(ref-285324-S22500905062008052100000) .
- Remove the transfer case, (if equipped). For NV144, refer to «REMOVAL»(ref-285402-S27596766532008052100000) , or for NV244 GENII, refer to «REMOVAL»(ref-285403-S09779821042008052100000) .
- Remove the bolts retaining structural cover (1).
- Remove transmission mount to crossmember fasteners.
- Using suitable jack, lift transmission enough to gain clearance for structural cover removal.
- Remove the structural cover.
INSTALLATION
| CAUTION | The structural cover must be installed as described in the following steps. Failure to do so will cause severe damage to the cover. |
- Position the structural cover in the vehicle.
- Install all four bolts retaining the cover-to-engine. DO NOT tighten the bolts at this time.
- Install the four cover-to-transmission bolts. Do NOT tighten at this time. CAUTION: The structural cover must be held tightly against both the engine and the transmission bell housing during tightening sequence. Failure to do so may cause damage to the cover. 1 - BOLT 2 - BOLT 3 - BOLT
- Torque the (4) structural dust cover bolts that go into the transmission to 6-11 N.m (50-100 in. lbs.).
- Torque the (4) structural dust cover bolts that go into the engine block to 6-11 N.m (50-100 in. lbs.).
- Starting with the two rear cover-to-engine bolts, tighten bolts (1) to 54 N.m (40 ft. lbs.), then tighten bolts (2) and (3) to 54 N.m (40 ft. lbs.) in the sequence shown in illustration.
- Lower transmission onto crossmember, and remove jack.
- Install transmission mount to crossmember fasteners, and torque. Refer to «INSTALLATION»(ref-285401-S34039926292008052100000) .
- Install the transfer case, (if equipped). For NV144, refer to «INSTALLATION»(ref-285402-S13298043212008052100000) , or for NV244 GENII, refer to «INSTALLATION»(ref-285403-S05155282472008052100000) .
- Reinstall the steering gear. Refer to «INSTALLATION»(ref-285324-S40716978972008052100000) .
- Install the exhaust pipe on left hand exhaust manifold, if removed.
- Tighten exhaust manifold-to-exhaust pipe retaining bolts to 20-26 N.m (15-20 ft. lbs.).