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Home >> Chevrolet >> 1990 >> Step Van 7.4 N, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Engine Oil Pan Removal >> Removal & Installation >> Oil Pan >> Removal (4WD)

Removal (4WD)

  1. Disconnect negative battery cable and drain engine oil. Raise vehicle to remove drive belt splash, front axle and transfer case shields. Disconnect brake lines at crossmember. Remove No. 2 crossmember.
  2. Disconnect exhaust pipes at manifold and slide rearward. On automatic transmission models, remove converter hanger bolts. Disconnect front drive shaft at drive pinion.
  3. Disconnect engine braces at flywheel cover and loosen braces at block. Remove starter and flywheel cover. Disconnect steering damper at frame bracket. Remove steering gear bolts.
  4. Mark position of idler arm location for reinstallation and remove attaching bolts. Pull steering gear and linkage forward. Remove front differential housing mounting bolts and move housing forward.
  5. Remove motor mount through bolts. Remove oil pan retaining bolts. Raise engine. Remove oil pan. Clean all gasket mating surfaces and straighten sealing flange.
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