Contents Wiring diagrams Section: Mechanical All sections

Removal & Installation Buick LeSabre VII

Mechanical ~153 words
  1. Disconnect negative battery cable. Remove engine torque strut. Raise and support vehicle. Drain crankcase, and remove oil filter. Disconnect front exhaust pipe from manifold. Remove right front wheel and splash shield.
  2. Disconnect oil cooler pipes. Disconnect A/C compressor electrical connector. Remove A/C compressor and position aside. Disconnect engine mounts from frame. Disconnect oil level sensor electrical connector.
  3. Remove flexplate access cover. Use transmission jack at transaxle to raise engine. Remove oil pan bolts and oil pan. To install, reverse removal procedure. Tighten bolts to specification. See «TORQUE SPECIFICATIONS»(ref-50089-S06927876322001011600000) .

Inspection

  1. Inspect cylinder head for warpage at deck and manifold surfaces. Resurface cylinder head if warpage exceeds specification. See «CYLINDER HEAD»(ref-50089-S02299813652001011600000) table under ENGINE SPECIFICATIONS.
  2. After resurfacing, use a depth micrometer to measure distance from deck surface to 3 cast pads. (Схема №11) Replace cylinder head if dimension is less than.044" (1.12 mm). New cylinder head dimension should be.054-.066" (1.37-1.68 mm).