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Home >> Saab >> 1991 >> 9000 CD, 2.3 M, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.0L 4-CYL - VIN [L], 2.1L 4-CYL [E], 2.3L 4-CYL [B,M] >> Cylinder Head Overhaul >> Valve Seat Correction Angles

Valve Seat Correction Angles

Using a 75-degree cutter, adjust exhaust valve seat width so that valve contact surface extends to edge of head. Using a 75-degree cutter below, and an 11- or 12-degree cutter above, adjust intake valve seat contact area to center of valve head. Valve seat width should be approximately .06" (1.5 mm) after refinishing. See Fig 1 and Fig 2.

Fig 1: Refinishing Exhaust Valve Seat
G92G00493Courtesy of SAAB-SCANIA OF AMERICA, INC.
Fig 2: Refinishing Intake Valve Seat
G92H01404Courtesy of SAAB-SCANIA OF AMERICA, INC.
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