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Home >> Isuzu >> 1985 >> Impulse 2.0 F, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.8L 4-CYL - VIN [B], 1.9L 4-CYL [A], 2.0L 4-CYL [F] >> Removal & Installation >> Rocker Arm Shaft Assembly >> Installation

Rocker Arm Shaft Assembly: Installation

  1. Reassemble rocker arm shaft components in original positions. Cylinder number on upper face of brackets must point toward front of engine. Longer rocker shaft must be installed on exhaust side. Punch marks on rocker arm shafts must face front and point up.
  2. Coat rocker arm shaft, rocker arms, and valve stems with engine oil. Install rocker arm shaft assembly on cylinder head. Align camshaft mark with mark on No. 1 rocker arm shaft bracket. On turbo models, apply silicon gasket material to No. 1 rocker arm bracket mounting surface on cylinder head.
  3. Hold rocker arm springs with an adjustable wrench, to prevent damage to springs when tightening assembly. Starting with inner nuts and working outward, tighten brackets a little at a time. Adjust valve clearance and install valve cover.
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