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Home >> GMC >> 1991 >> Value Van 4.3 Z, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (TBI) >> Throttle Body Injector (Model 700) >> Installation
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Throttle Body Injector (Model 700): Installation

  1. Lubricate new upper and lower "O" rings with engine oil and place them on injector. Ensure upper ring is in groove and lower ring is flush against filter.
  2. Position injector in fuel meter assembly with electrical connector facing cutout for wire grommet.
  3. Push injector down to seat in cavity. Install injector retainer. Coat injector retainer screw with thread locking compound and install. Tighten screw to 27 INCH lbs. (3.0 N.m).
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