Firebird L4-151 2.5L (1982)
FIGURE 3 - ADJUSTING RICH MIXTURE STOP SCREW
4.
Insert external float gage (J-9789-130, BT-7720) or equivalent in vent hole. Use tool (J-28696-10, BT-7928) or equivalent to adjust rich mixture
stop screw to obtain 4/32 inch total plunger travel (see Figure 3 on following page).
5.
Install new screw plugs supplied in service kit.
FIGURE 4 - IDLE BLEED VALVE
Idle Air Bleed Valve Adjustment - Check For Letter Identification
With cover removed from the Idle Air Bleed Valve, look for the presence (or absence) of an identifying letter on the top face of the valve (see Figure 4).
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If there is NO letter, continue on using PROCEDURE A.
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If there is a letter, use PROCEDURE B (on next page).
FIGURE 5 - INSTALLING IDLE AIR BLEED VALVE GAGING TOOL