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Home >> Saab >> 1982 >> 900 S, 2D Hatchback, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 900 & 900 Turbo 4-Cylinder >> Engine, Manifolds & Cylinder Head >> Cylinder Head & Manifolds >> Installation

Cylinder Head & Manifolds: Installation

  1. Place a new gasket on engine block. With crankshaft at "O" position, temporarily install the camshaft chainwheel and place camshaft at TDC position on No. 1 cylinder firing stroke. Position the chain on the chainwheel and place chain between chain guide and tensioner.
  2. Install the cylinder head and tighten the bolts in 2 stages in the sequence shown in Figure. Install the cylinder head-to-timing cover bolts. Take tension off of timing chain tensioner by inserting tool (83 93 357) into tensioner catch and pulling upward. See Fig 1.
    Fig 1: Chain Tensioner and Tensioner Tool
    G09332272Courtesy of SAAB-SCANIA OF AMERICA, INC.

    Shown in tension release position. 

  3. Place the chainwheel on the camshaft so that the marks on bearing cap, chainwheel, and screw holes align. If necessary, alter position of chain. Install the camshaft chainwheel retaining bolts using flat washers.
  4. Using tool (83 93 357), push tensioner catch down to tension chain. To complete installation, reverse removal procedures.
    NOTE: Cylinder head bolts should be retightened in the following manner. Run engine until warm. Then, allow it to cool 30 minutes. Loosen each head bolt slightly, following proper sequence. Retighten bolts. Then, tighten each bolt an additional 1/4 turn (90°), following the proper sequence.
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