B Series Truck L4-2209cc DSL (1982)
Neutral Safety Switch: Adjustments
KICKDOWN SWITCH ADJUSTMENT
1.
Switch ignition on.
2.
Loosen kickdown switch attaching nut and adjust switch to engage when the accelerator is at 7/8 of full pedal travel. The downshift solenoid will
click when switch engages.
3.
Tighten the attaching nut and check for proper switch operation.
NEUTRAL SAFETY SWITCH ADJUSTMENT
1.
Shift selector lever to N range.
2.
Raise and support vehicle.
3.
Remove transmission manual lever retaining nut and lever.
4.
Loosen three neutral switch attaching bolts and remove screw from alignment pin hole at the bottom of the switch.
5.
Rotate switch and insert an alignment pin through alignment pin hole and into hole in internal rotor. The alignment pin should be 0.059 inch (1.5
mm) diameter for 1984 B2000 and B2200 models, or 0.078 inch (2.0 mm) for all other models.
6.
Tighten two switch attaching bolts and remove alignment pin.
7.
Reinstall alignment pin hole screw in switch body.
8.
Position transmission manual lever on manual lever shaft and secure with flat washer and nut.
9.
Check switch for proper operation. The engine should start only with transmission selector lever in N or P.
VACUUM DIAPHRAGM ROD
Excessive shift shocks and gears not properly shifting often indicate a vacuum diaphragm malfunction. If this occurs, check vacuum diaphragm as
follows:
1.
Remove vacuum pipe to check for transmission fluid.
2.
Check that diaphragm rod moves when vacuum is applied to vacuum diaphragm.
3.
If problem is found, replace rod. Replacement rods are available in lengths of 1.1418 inch (29 mm), 1.1614 inch (29.5 mm), 1.1811 inch (30 mm),
1.2008 inch (30.5 mm) and 1.2205 inch (31 mm).
