R 3500 P/U 2WD V8-454 7.4L (1989)
Idle Speed: Specifications
Minimum Air Rate
CONTROLLED IDLE SPEED
Transmission
Gear
Idle Speed
IAC Counts [1]
Open/Closed Loop [2]
Man.
N
800
5-30
OL
Auto
D
750
5-30
OL
[1] Add 2 counts for engines with less than 500 miles. Add 2 count for every 1000 ft above sea level.
[2] Let engine idle until proper fuel control status is reached (open/closed loop).
MINIMUM IDLE AIR RATE
Transmission
Gear
Engine Speed
Open/Closed Loop [1]
Man.
N
700 +/- 25
OL
Auto.
D
700 +/- 25
OL
TIGHTENING SPECIFICATIONS
Air Injection Pipe.......................................................................................................................................................................................................20 ft. lbs.
Check Valve to Air Injection Pipe.............................................................................................................................................................................18 ft. lbs.
EGR valve to manifold...............................................................................................................................................................................................15 ft. lbs.
Oxygen sensor............................................................................................................................................................................................................30 ft. lbs.
TBI Unit to manifold..................................................................................................................................................................................................12 ft. lbs.
