TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.076
AC/Air Conditioning77 / 111
p.078
DRIVE BELT TENSION — MK4 Supra Air Conditioning, page 77
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AC–77 AIR CONDITIONING SYSTEM – DRIVE BELT TENSION CORRECT WRONG CH0085 DRIVE BELT TENSION DRIVE BELT TENSION INSPECTION 1. INSPECT DRIVE BELT'S INSTALLATION CONDITION Check that drive belt fits properly in the ribbed grooves. A B PA0577 2. INSPECT DRIVE BELT TENSION Check that the tension is within A range on the auto tensioner scale. If the tension is not within the A range on the scale, replace the belt with a new one. HINT: When replacing the drive belt with a new one, the belt's tension should be within the B range on the belt tensioner scale. IDLE–UP SPEED IDLE UP SPEED INSPECTION 1. WARM UP ENGINE 2. INSPECT IDLE SPEED Put gear shift in neutral. 2JZ–GE (M/T) Magnetic clutch condition Standard idle speed (RPM) Not engaged Approx. 700 Engaged Approx. 900 2JZ–GE (A/T) Magnetic clutch condition Standard idle speed (RPM) Not engaged Approx. 700 Engaged Approx. 800 2JZ–GTE Magnetic clutch condition Standard idle speed (RPM) Not engaged Approx. 650 Engaged Approx. 800