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Vacuum Modulator Rod

To determine correct vacuum modulator rod length, measure dimension "N" at transaxle. See VACUUM DIAPHRAGM ROD SELECTION  table for correct rod to select. Also, see Fig 1.

VACUUM DIAPHRAGM ROD SELECTION

Dimension "N" In. (mm) Rod Length In. (mm)
Below 1.00 (25.4) 1.16 (29.5)
1.000-1.020 (25.4-25.9) 1.18 (30.0)
1.020-1.039 (25.9-26.4) 1.20 (30.5)
1.039-1.059 (26.4-26.9) 1.22 (31.0)
Over 1.059 (26.9) 1.24 (31.5)
Fig 1: Adjusting I-Mark Modulator Rod Length
G82816Courtesy of ISUZU MOTOR CO.