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REAR SUSPENSION
3D-15
AUTOMATIC LEVEL CONTROL
DIAGNOSIS
TROUBLE CHART
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TROUBLE CONDITION
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START WITH STEP
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CAR LOADED, WILL NOT RAISE
CAR SITS LOW
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CAR LOADED, RAISES PARTIALLY
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-
1
CAR LOADED, RAISES TO LEVEL
THEN LEAKS DOWN
CAR UNLOADED, RIDES TOO HlGH
I N REAR
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COMPRESSOR CYCLES CONTINUOUSLY
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5
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EXTREMELY SLOW LEAK-OVER NIGHT
LEAK DOWN DURING COLD WEATHER
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STEP 1
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Check compressor tank pressure, refer to figure 1 for location of service valve on compressor.
//
HIGH PRESSURE TUBING
HT CONTROL VALVE
FIG. 3D-22 AUTOMATIC LEVEL CONTROL DIAGNOSIS
FIGURE 1-CHECKING TANK PRESSURE
Proceed t o Step 5C
Proceed to Step 2
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Proceed t o Step 5
E x l
Pressure Less Than 150 P.S.1
.
Pressure Exceeds 150 P.S.I.
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Pressure 0 P.S.I. or Very Lo
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