Operation CHARM: Car repair manuals for everyone.
Home >> Acura >> 2002 >> 3.5RL V6-3474cc 3.5L >> Repair and Diagnosis >> Heating and Air Conditioning >> Compressor HVAC >> Adjustments
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Compressor HVAC: Adjustments

A/C Compressor Belt





Deflection Method
1. Apply a force of 98 N (10 kg, 22 lb), and measure the deflection between the A/C compressor and the crankshaft pulley.

A/C Compressor Belt
Used Belt: 8.0 - 11.0 mm (0.31 - 0.43 in)
New Belt: 5.5 - 6.0 mm (0.22 - 0.24 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.

2. Loosen the center nut of the idler pulley.
3. Turn the adjusting bolt to get proper belt tension, then retighten the center nut.
4. Recheck the deflection of the A/C compressor belt.




Tension Gauge Method
1. Attach the special tool to the A/C compressor belt as shown below, and measure the tension of the belt.

A/C Compressor Belt
Used Belt: 440 - 640 N (45 - 65 kg, 99 - 143 lb)
New Belt: 930 - 1,080 N (95 - 110 kg, 209 - 243 lb)

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

2. Loosen the center nut of the idler pulley.
3. Turn the adjusting bolt to get proper belt tension, then retighten the center nut.
4. Recheck the tension of the A/C compressor belt.
pro multis · About Operation CHARM