Jeep Cherokee 2000 Service Manual - page 1638
SPECIFICATIONS
AW-4 AUTOMATIC TRANSMISSION
AW-4 GENERAL SPECIFICATIONS
Gear Ratios:
First . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.804:1
Second . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.531:1
Third . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.000:1
Fourth (Overdrive) . . . . . . . . . . . . . . . . . . 0.753:1
Reverse . . . . . . . . . . . . . . . . . . . . . . . . . . 2.393:1
Transmission Fluid . . Jeep automatic transmission
fluid or DEXRON
t
II
Fluid Level . To “Full” mark with fluid hot (normal
operating temperature)
Fluid Capacity (all models) . . . 8.0 Liters (8.45 qts.)
Test Specifications
Stall Speed:
In D Range and Reverse . . . . . . . 2100-2400 rpm
Line Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In D at Curb Idle . . . . . 61–70 psi (421–481 kPa)
In D at WOT . . . . . . 173-209 psi (1196-1442 kPa)
In Reverse at Curb Idle . 75-90 psi (519-618 kPa)
In Reverse at WOT . 213-263 psi (1471-1814 kPa)
Time Lag Test:
Engagement in D Range . . . . . . . . . . 1.2 seconds
Engagement in Reverse . . . . . . . . . . . 1.5 seconds
Valve Body Solenoid Resistance . . . . . . 11-15 ohms
Transmission Fluid Normal Operating
Temperature . . . . . . . . . . . . 50-80°C (122-176°F)
TPS Input Voltage (AU) . . . . . . . 5.0 Volts (approx.)
TPS Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . .
4–Cylinder . . . . . . . . . . . . . . . 0.2 Volts (approx.)
6–Cylinder . . . . . . . . . . . . . . . 4.2 Volts (approx.)
AW-4 OIL PUMP WEAR LIMITS
Drive Gear
Tip Clearance: . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard . . . 0.11–0.14 mm (0.0043 —0.0055 in.)
Maximum Allowance . . . . . . . . 0.3 mm (0.012 in.)
Gear-to-Pump Body
End Clearance:
Standard . . . . . 0.02–0.05 mm (0.0008–0.0020 in.)
Maximum Allowance . . . . . . . . 0.1 mm (0.004 in.)
Driven Gear-to-Pump
Body Clearance:
Standard . . . . . 0.07–0.15 mm (0.0028–0.0059 in.)
Maximum Allowance . . . . . . . . 0.3 mm (0.012 in.)
AW-4 CLUTCH DISC AND PLATE THICKNESS
Component
Minimum Allowable Thickness
Clutch Disc (all except first-reverse and forward clutch
discs)
1.84 mm (0.0724 in.)
6-Cylinder Forward Clutch Disc
1.51 mm (0.0594 in.)
6-Cylinder Direct Clutch Plates:
Thin Plate (1)
2.3 mm (0.905 in.)
Thick Plates (3)
3.0 mm (0.118 in.)
6-Cylinder Forward Clutch Plate
1.8 mm (0.070 in.)
First-Reverse Brake Disc (All)
1.51 mm (0.0594 in.)
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AW–4 AUTOMATIC TRANSMISSION
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