A/C Idle-Up - Rpm Setting Procedure
83mitsubishi04SUBJECT:
A/C IDLE-UP RPM SETTING PROCEDURE
NO. STB-83-24-008
DATE December, 1983
1984 Carbureted Cordia/Tredia, MODEL
Montero, Truck, Truck 4WD
SPECIFICATIONS
Idle-up speed specifications for 1984 A/C-equipped Cordia/Tredia, Montero and truck models are shown below:
Cordia/Tredia Montero Truck
850 +/- 50 RPM 900 - 950 RPM 850 - 900 RPM
On carburetor-equipped models, if it is not possible to attain the specified idle-up speeds using the procedures in the Service Manuals (Cordia/Tredia p. 14-12, Montero p. 14-7, Truck p. 14-25), then follow the procedure below.
PROCEDURE
1. With the engine at normal operating temperature, all lights and accessories OFF, transmission in Neutral or Park, and engine cooling fan stopped, check curb idle speed and adjust if necessary. NOTE:
Curb idle speed specifications are shown in the table on page 2 of this bulletin.
2. Turn the A/C idle-up adjusting screw (SAS5) clockwise until it bottoms. Then back it out one full turn.
3. Lift the lever until it touches SAS3. Read and record engine RPM.
4. Turn on the A/C compressor and adjust idle-up RPM to specifications by turning SAS2.
5. Turn off the A/C compressor and allow the engine to return to curb idle.
6. Momentarily increase engine speed to 2000 RPM.
7. With engine at curb idle, turn the A/C ON and OFF several times to insure idle-up speed is attained. If necessary, turn idleup speed adjusting screw to obtain the specified speed.
8. Lift the free lever until it touches SAS3 and adjust engine RPM using SAS3 to the value recorded in Step 3.
CURB IDLE RPM SPECIFICATIONS - 1984 MODELS
Under 300 Miles Over 300 Miles
Cordia/Tredia M/T 700 +/- 100 750 +/- 100
Cordia/Tredia A/T 800 +/- 100 850 +/- 100
Montero M /T 675 +/- 150 750 +/- 100
- 100
Montero A/T 725 +/- 150 800 +/- 100
- 100
Truck 2.6 Liter MIT 675 +/- 150 750 +/- 100
- 100
Truck 2.6 Liter A/T 725 +/- 150 800 +/- 100
- 100
Truck 2.0 Liter 700 +/- 100 750 +/- 100