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Compressor HVAC: Adjustments


Belt Adjustment
1. Apply a force of 98 N (10kg, 22 lb) and measure the deflection between the alternator and crankshaft pulley.

Compressor Belt
Deflection:
Used Belt: 10.0-12.0 mm (0.39-0.47 in)
New Belt: 4.5-7.0 mm (0.18-0.28 in)

P/S Belt
Used Belt: 13.5-16.5 mm (0.52-0.65 in)
New Belt: 9.5-11.5 mm (0.33-0.45 in)





NOTE:
- If there are cracks or any damage evident on the belt, replace it with a new one.
- "Used belt" means a belt which has been used for five minutes or more.
- "New belt" means a belt which has been used for less than five minutes.

Measure with Belt Tension Gauge:
Attach the belt tension gauge to the belt and measure the tension of the belt.

Compressor Belt
Tension:
Used Belt: 450-600 N (45-60 kg, 99-132 lb)
New Belt: 950-1150 N (95-115kg, 209-254 lb)

P/S Belt
Used Belt: 350-500 N (35-50 kg, 77-110 lb)
New Belt: 700-900 N (70-90 kg, 154-198 lb)





NOTE:
- If there are cracks or any damage evident on the belt, replace it with a new one.
- See the instructions for the tension gauge.

2. Loosen the upper through bolt and alternator nut.
3. Turn the adjusting bolt to obtain the proper belt tension, then retighten the alternator nut and upper through bolt.
4. Recheck the deflection of the belt.
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