Century V6-181 3.0L (1983)
17083194
10/32"
1-30 Gauge
4/32
*2
17084193
*3
17084195
Idle
Choke
Choke
Vac
Vac
Choke
Air
Stat
Link
Break
Break
and
Bleed
Lever
Cam
Front
Rear
Loader
1.756 Gauge
.120 Gauge
17~
27~
25~
35~
*1
*1.
Preset 1.756G, final adjustment on vehicle
*2.
Preset 3 turns, final adjustment on vehicle
*3.
Gauging Tool J-33815-1 (Brass Bullet)
Fast Idle Specifications
1.
Set choke fast idle cam on high step
2.
Start engine set fast idle with fast idle adjustment screw to 2400 RPM
Field Service Resetting, Specification for Idle Speed Control
ISC Minimum Idle Procedure
1.
Block Drive Wheels
2.
Cooling Fan Off
3.
Engine in Closed Loop
4.
Retract ISC Motor
5.
Set Base Idle to 500 RPM in Drive
ISC Maximum Idle Procedure
1.
Block Drive Wheels
2.
Cooling Fan Off
3.
Engine in Closed Loop
4.
Fully Extend ISC Motor
5.
Set Maximum Idle by Adjusting ISC to 1350 RPM in Drive
Throttle Position Sensor Specifications
1.
Retract ISC to Minimum Idle
2.
Set T.P.S. Voltage to .57 +/- .01 Volts
Included in this bulletin are updated diagnostic charts for these changes.