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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (2.5L 4-CYL - VIN [K]) >> Overhaul >> Cylinder Block Assembly >> Cylinder Block

Cylinder Block

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Dodge Dakota, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
  1. Using a feeler gauge and straightedge, check cylinder block head surface for warpage. Measure cylinder bore, taper and out-of-round. Measure at .375" (9.52 mm) below top surface of cylinder bore, middle of bore and .375" (9.52 mm) from bottom of cylinder bore.
  2. Repair or replace cylinder block if measurements are not within specification. See CYLINDER BLOCK  table under ENGINE SPECIFICATIONS.